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UNIXARENA - CLOUD
Virtualization helps to decouple the Operating systems and applications from the hardware layer. Virtualization is the process of creating a virtual or software-based representation like a virtual server, application, network, storage resources. Hypervisor is one of the most popular virtualizations technology for servers and operatingsystems.
VXVM TUTORIAL 8
VXVM(veritas volume manager training) 8 of 10 A snapshot is the state of a volume at a particular point in time. Veritas Volume Manager snapshot capability for taking an image of a volume at a given point in time.It provides various snapshot depends on the environments and product cost. There are three type of snapshot HOW TO ENABLE AZURE NATIVE BACKUP FOR LINUX & WINDOWS VM? How to enable Azure native backup for Linux and Windows instances in Azure? To enable the Azure native backup, you need to set up a recovery service vault.Recovery service vault is an online-storage entity in Azure that’s used to hold data, such as backup copies, recovery points, and HOW TO UPDATE THE ANSIBLE TOWER INVENTORY USING API Add a new ansible client on Tower using API: 1. Login to Ansible tower and navigate to inventory to find out the group id. Just hover the mouse on the inventory group to know the group id. 2. Let’s assume that group id is 1. Here is the ansible task block which will VXVM - VXDISK COMMAND SYNTAX WITH EXAMPLES - UNIXARENA Determine the usability of the specified disks # vxdisk check c3t1d0 c3t1d0: Error: Disk is not usable # vxdisk check c3t2d0 c3t1d0s2: Okay HOW TO INSTALL DOCKER ON REDHAT LINUX (RHEL)- CENTOS How to install docker on Redhat Linux (RHEL) and CentOS? How to setup the docker environment to start the first container to start exploring the container world? In this article, we are going to demonstrate the docker community edition deployment on RHEL/CentOS. We will also launch the Docker containers to test the deployment. Docker LDOM - MEMORY / CPU REALLOCATION ON HARD PARTITIONING In LDOM , we can’t dynamically remove/add memory resource when the resources are physically bound. This will make hard-time for administrator and application owners where we need to bring down the guest domain every-time when you re-reconfigure memory resources. Normally Oracle Super-cluster servers are pre-configured with Hard Partitioning using the LDOM virtualization. In typical HOW TO ADD ISCSI STORAGE ARRAY TO OVM ? Oracle VM storage mechanisms uses oracle storage connect plug-ins. Oracle provides two type of generic plugins along with oracle VM software. One is Storage array plugin that used to connect block level storage and the second one is a filesystem plugin that is used to connect network filesystem based storage.These plugins will just help you to detect the storage LUNS . USING DATE AND TIMESTAMP VARIABLE IN ANSIBLE PLAYBOOK Yes. Timestamp gathered from facts. That’s why we are able to perform the file cleanup at the end of the play. If you need the realtime timestamp, you could run the date command using the shellmodule.
HOW TO CONFIGURE DNS SERVER AND CLIENT ON SOLARIS 11 Domain Name System is responsible for assigning domain names and mapping those names to IP address. In other words, it resolves the IP address to hostname and hostname to IP address. I am sure that customers won’t be ready to run Solaris 11 box as DNS server but still i just would like to share the method of configuring DNSUNIXARENA - CLOUD
Virtualization helps to decouple the Operating systems and applications from the hardware layer. Virtualization is the process of creating a virtual or software-based representation like a virtual server, application, network, storage resources. Hypervisor is one of the most popular virtualizations technology for servers and operatingsystems.
VXVM TUTORIAL 8
VXVM(veritas volume manager training) 8 of 10 A snapshot is the state of a volume at a particular point in time. Veritas Volume Manager snapshot capability for taking an image of a volume at a given point in time.It provides various snapshot depends on the environments and product cost. There are three type of snapshot HOW TO ENABLE AZURE NATIVE BACKUP FOR LINUX & WINDOWS VM? How to enable Azure native backup for Linux and Windows instances in Azure? To enable the Azure native backup, you need to set up a recovery service vault.Recovery service vault is an online-storage entity in Azure that’s used to hold data, such as backup copies, recovery points, and HOW TO UPDATE THE ANSIBLE TOWER INVENTORY USING API Add a new ansible client on Tower using API: 1. Login to Ansible tower and navigate to inventory to find out the group id. Just hover the mouse on the inventory group to know the group id. 2. Let’s assume that group id is 1. Here is the ansible task block which will VXVM - VXDISK COMMAND SYNTAX WITH EXAMPLES - UNIXARENA Determine the usability of the specified disks # vxdisk check c3t1d0 c3t1d0: Error: Disk is not usable # vxdisk check c3t2d0 c3t1d0s2: Okay HOW TO INSTALL DOCKER ON REDHAT LINUX (RHEL)- CENTOS How to install docker on Redhat Linux (RHEL) and CentOS? How to setup the docker environment to start the first container to start exploring the container world? In this article, we are going to demonstrate the docker community edition deployment on RHEL/CentOS. We will also launch the Docker containers to test the deployment. Docker LDOM - MEMORY / CPU REALLOCATION ON HARD PARTITIONING In LDOM , we can’t dynamically remove/add memory resource when the resources are physically bound. This will make hard-time for administrator and application owners where we need to bring down the guest domain every-time when you re-reconfigure memory resources. Normally Oracle Super-cluster servers are pre-configured with Hard Partitioning using the LDOM virtualization. In typical HOW TO ADD ISCSI STORAGE ARRAY TO OVM ? Oracle VM storage mechanisms uses oracle storage connect plug-ins. Oracle provides two type of generic plugins along with oracle VM software. One is Storage array plugin that used to connect block level storage and the second one is a filesystem plugin that is used to connect network filesystem based storage.These plugins will just help you to detect the storage LUNS . USING DATE AND TIMESTAMP VARIABLE IN ANSIBLE PLAYBOOK Yes. Timestamp gathered from facts. That’s why we are able to perform the file cleanup at the end of the play. If you need the realtime timestamp, you could run the date command using the shellmodule.
HOW TO CONFIGURE DNS SERVER AND CLIENT ON SOLARIS 11 Domain Name System is responsible for assigning domain names and mapping those names to IP address. In other words, it resolves the IP address to hostname and hostname to IP address. I am sure that customers won’t be ready to run Solaris 11 box as DNS server but still i just would like to share the method of configuring DNSUNIXARENA - CLOUD
Virtualization helps to decouple the Operating systems and applications from the hardware layer. Virtualization is the process of creating a virtual or software-based representation like a virtual server, application, network, storage resources. Hypervisor is one of the most popular virtualizations technology for servers and operatingsystems.
VXVM TUTORIAL 8
VXVM(veritas volume manager training) 8 of 10 A snapshot is the state of a volume at a particular point in time. Veritas Volume Manager snapshot capability for taking an image of a volume at a given point in time.It provides various snapshot depends on the environments and product cost. There are three type of snapshot ANSIBLE TOWER LICENSE EXPIRED? HOW TO RENEW IT? Note: If trail license expired: Ansible Tower instance is locked into read-only like state until a new valid license is provided. The instance is read-only immediately after the expiration; If Non-trial license expiry – the Ansible Tower instance is functioning in limited fashion after the active license has expired for an additional30 days.
ANSIBLE TOWER / AWX
Ansible Job template is used to incorporate the playbook in the web interface. Before start creating the template, you must create the playbook and keep it ready in the project path.. We also need to create other objects like inventory, projects, and credentials to create a new job template. SOLARIS PROCESSES MONITORING Solaris has number of tools to examine process details and those just reading the /proc directory. These tools are very useful in application troubleshooting and analyzing the system performance. This article is based on “Solaris™ Internals: Solaris 10 and OpenSolaris Kernel Architecture” book. I would strongly recommend this for all the Solaris administrators. Here we HOW TO UPDATE THE ANSIBLE TOWER INVENTORY USING API Add a new ansible client on Tower using API: 1. Login to Ansible tower and navigate to inventory to find out the group id. Just hover the mouse on the inventory group to know the group id. 2. Let’s assume that group id is 1. Here is the ansible task block which will ANSIBLE - HOW TO INSTALL AND CONFIGURE AWX ? - UNIXARENA Ansible AWX is an upstream project of Ansible Tower. To evaluate ansible Tower, you can deploy AWX and check the functionality. AWX deployment is simple if you have an existing docker environment. AWX is an opensource project and the community is offering AWX in the form of container. AWX requires multiple components like a database,Message queue,
WHAT IS VMWARE'S VSAN ? HOW TO IMPLEMENT IT ? VMware is offering different piece of software to utilize the all type of x86 hardwares in the world.Virtual SAN is another great achievement of VMware which helps you to eliminate the costliest SAN network and costlier NAS storage devices. VSAN algorithm is very simple and smart. When you buy a server, by default it willVMWARE VSPHERE
How to recover the lost vCenter Server Appliance(VCSA 6.5 & above) root password? The vCenter Server Appliance is a preconfigured Linux virtual machine. vSphere 6.7 U1 is the last release to include vCenter Server for Windows, which has been deprecated. vCenter Server Appliance is a very simple vCenter platform compares to the windows-based vC. Since vCenter server SOLARIS 11 - HOW TO CREATE VNIC AND ASSIGN A IP ? - UNIXARENA How to assign Static IP address in Solaris 11? Is it possible to assign multiple IP address to NIC ? First we will the basic difference between older version of Solaris and Solaris 11.In Solaris 10, according to the NIC manufacturer,physical network interfaces are named (Ex:bge,e1000g,nxge).But in Solaris 11 onwards,the inconsistencies names are hidden from the view and all the interfaceswill
UNIXARENA - CLOUD
Virtualization helps to decouple the Operating systems and applications from the hardware layer. Virtualization is the process of creating a virtual or software-based representation like a virtual server, application, network, storage resources. Hypervisor is one of the most popular virtualizations technology for servers and operatingsystems.
SOLARIS 10 INTERVIEW QUESTIONS Here is the basic Solaris interview questions which are commonly asked in Solaris L1 or L2 (Level 1 or L2) interviews.If you don’t have a Solaris setup to work,just install Solaris as guest operating system on VMware workstations and get a hands on experience. You can also go through the below interface questions on specific category . 1.Solaris zones Interview Questions 2. AZURE - HOW TO CONVERT DISK FROM PREMIUM TO STANDARD SSD Azure offers four disk types of managed disks and we can choose any type based on the business needs. Azure provides an option to switch between the three GA disk types premium SSD, standard SSD, and standard HDD based on your performance needs. But Azure doesn’t provide an option to convert from or to an SOLARIS 11 - HOW TO CREATE VNIC AND ASSIGN A IP ? - UNIXARENA How to assign Static IP address in Solaris 11? Is it possible to assign multiple IP address to NIC ? First we will the basic difference between older version of Solaris and Solaris 11.In Solaris 10, according to the NIC manufacturer,physical network interfaces are named (Ex:bge,e1000g,nxge).But in Solaris 11 onwards,the inconsistencies names are hidden from the view and all the interfaceswill
HOW TO INSTALL DOCKER ON REDHAT LINUX (RHEL)- CENTOS How to install docker on Redhat Linux (RHEL) and CentOS? How to setup the docker environment to start the first container to start exploring the container world? In this article, we are going to demonstrate the docker community edition deployment on RHEL/CentOS. We will also launch the Docker containers to test the deployment. Docker ANSIBLE - HOW TO STORE PLAYBOOK RESULT IN VARIABLE 1. Create the playbook to execute the “df” command to check the /boot usage. Use “register” to store the output to a variable. 2. Run the playbook to see the result. Ensure that “gpfslinapp1” host in the inventory file “lin-servers”. The playbook ran “df -h /boot” command and SCRIPT:TO CALCULATE VXVM'S VXPRINT VALUES & VXDISK SIZE Recommended for you Azure Cloud Shell – Create a Linux VM using Terraform? Setup Amazon AWS – Free Tier Account – Part 3 Cloud ends Data-center Virtualization ? USING DATE AND TIMESTAMP VARIABLE IN ANSIBLE PLAYBOOK Yes. Timestamp gathered from facts. That’s why we are able to perform the file cleanup at the end of the play. If you need the realtime timestamp, you could run the date command using the shellmodule.
HOW TO CONFIGURE TWO NODE VCS CLUSTER ON SOLARIS USING 2.Configure root password less authentication between two cluster nodes. 3.Install Symantec storage foundation HA on both Solaris nodes. 4.Install openfiler as virtual guest in vmware for shared storage. 5.Provision a new LUN in openfiler to share across the nodes. 6.Add the newly provisioned LUN in both the nodes using the iscisadm. HOW TO CONFIGURE DNS SERVER AND CLIENT ON SOLARIS 11 Domain Name System is responsible for assigning domain names and mapping those names to IP address. In other words, it resolves the IP address to hostname and hostname to IP address. I am sure that customers won’t be ready to run Solaris 11 box as DNS server but still i just would like to share the method of configuring DNSUNIXARENA - CLOUD
Virtualization helps to decouple the Operating systems and applications from the hardware layer. Virtualization is the process of creating a virtual or software-based representation like a virtual server, application, network, storage resources. Hypervisor is one of the most popular virtualizations technology for servers and operatingsystems.
SOLARIS 10 INTERVIEW QUESTIONS Here is the basic Solaris interview questions which are commonly asked in Solaris L1 or L2 (Level 1 or L2) interviews.If you don’t have a Solaris setup to work,just install Solaris as guest operating system on VMware workstations and get a hands on experience. You can also go through the below interface questions on specific category . 1.Solaris zones Interview Questions 2. AZURE - HOW TO CONVERT DISK FROM PREMIUM TO STANDARD SSD Azure offers four disk types of managed disks and we can choose any type based on the business needs. Azure provides an option to switch between the three GA disk types premium SSD, standard SSD, and standard HDD based on your performance needs. But Azure doesn’t provide an option to convert from or to an SOLARIS 11 - HOW TO CREATE VNIC AND ASSIGN A IP ? - UNIXARENA How to assign Static IP address in Solaris 11? Is it possible to assign multiple IP address to NIC ? First we will the basic difference between older version of Solaris and Solaris 11.In Solaris 10, according to the NIC manufacturer,physical network interfaces are named (Ex:bge,e1000g,nxge).But in Solaris 11 onwards,the inconsistencies names are hidden from the view and all the interfaceswill
HOW TO INSTALL DOCKER ON REDHAT LINUX (RHEL)- CENTOS How to install docker on Redhat Linux (RHEL) and CentOS? How to setup the docker environment to start the first container to start exploring the container world? In this article, we are going to demonstrate the docker community edition deployment on RHEL/CentOS. We will also launch the Docker containers to test the deployment. Docker ANSIBLE - HOW TO STORE PLAYBOOK RESULT IN VARIABLE 1. Create the playbook to execute the “df” command to check the /boot usage. Use “register” to store the output to a variable. 2. Run the playbook to see the result. Ensure that “gpfslinapp1” host in the inventory file “lin-servers”. The playbook ran “df -h /boot” command and SCRIPT:TO CALCULATE VXVM'S VXPRINT VALUES & VXDISK SIZE Recommended for you Azure Cloud Shell – Create a Linux VM using Terraform? Setup Amazon AWS – Free Tier Account – Part 3 Cloud ends Data-center Virtualization ? USING DATE AND TIMESTAMP VARIABLE IN ANSIBLE PLAYBOOK Yes. Timestamp gathered from facts. That’s why we are able to perform the file cleanup at the end of the play. If you need the realtime timestamp, you could run the date command using the shellmodule.
HOW TO CONFIGURE TWO NODE VCS CLUSTER ON SOLARIS USING 2.Configure root password less authentication between two cluster nodes. 3.Install Symantec storage foundation HA on both Solaris nodes. 4.Install openfiler as virtual guest in vmware for shared storage. 5.Provision a new LUN in openfiler to share across the nodes. 6.Add the newly provisioned LUN in both the nodes using the iscisadm. HOW TO CONFIGURE DNS SERVER AND CLIENT ON SOLARIS 11 Domain Name System is responsible for assigning domain names and mapping those names to IP address. In other words, it resolves the IP address to hostname and hostname to IP address. I am sure that customers won’t be ready to run Solaris 11 box as DNS server but still i just would like to share the method of configuring DNS HOW TO ENABLE AZURE NATIVE BACKUP FOR LINUX & WINDOWS VM? How to enable Azure native backup for Linux and Windows instances in Azure? To enable the Azure native backup, you need to set up a recovery service vault.Recovery service vault is an online-storage entity in Azure that’s used to hold data, such as backup copies, recovery points, andMICROSOFT AZURE
Login to Azure portal. 2. Navigate to the Windows server instance for which you would like to access the serial console. 3. Ensure boot diagnostics is enabled for the instance. 4. Navigate to the serial console and wait for few seconds to connect. 5. Once the console is connected, you will get the SAC prompt. VXVM - VXASSIST COMMAND SYNTAX WITH EXAMPLES - UNIXARENA /usr/sbin/vxassist – Unix Arena’s Manual page Product – Veritas Volume Manager-vxvm (Storage Foundation) The vxassist utility is a command-line interface to the Veritas Volume Manager (VxVM) that: – Finds space for and creates volumes – Performs volume conversion – Adds mirrors and logs to existing volumes – Extends and shrinks existing volumes – Migrates data ANSIBLE - HOW TO INSTALL AND CONFIGURE AWX ? - UNIXARENA Ansible AWX is an upstream project of Ansible Tower. To evaluate ansible Tower, you can deploy AWX and check the functionality. AWX deployment is simple if you have an existing docker environment. AWX is an opensource project and the community is offering AWX in the form of container. AWX requires multiple components like a database,Message queue,
LDOM - MEMORY / CPU REALLOCATION ON HARD PARTITIONING In LDOM , we can’t dynamically remove/add memory resource when the resources are physically bound. This will make hard-time for administrator and application owners where we need to bring down the guest domain every-time when you re-reconfigure memory resources. Normally Oracle Super-cluster servers are pre-configured with Hard Partitioning using the LDOM virtualization. In typical RHEL 7 - CONFIGURING PACEMAKER/COROSYNC - REDHAT CLUSTER In this article, we will see that how to configure two node Redhat cluster using pacemaker & corosync on REHL 7.2. Once you have installed the necessary packages, you need to enable the cluster services at the system start-up.You must start the necessary cluster services before kicking off the cluster configuration. “hacluster” user will be created automatically during the package RHEL7 - CONFIGURING GFS2 ON PACEMAKER/COROSYNC CLUSTER GFS2 requires a cluster suite to configure & manage. In RHEL 7 , Pacemaker/corosync provides the cluster infrastructure. GFS2 is a native file system that interfaces directly with the Linux kernel file system interface (VFS layer). For your information, Red Hat supports the use of GFS2 file systems only as implemented in the HighAvailability
HOW TO INSTALL LVM ON LINUX AND DISK OPERATIONS 1.1 Installation of LVM. 1.Verify LVM is installed or not on the server. 2.Here LVM is already installed.If its not already installed,use yum to install LVM. Here is the procedure to configure yum repo. # yum install lvm2* Loaded plugins: refresh-packagekit, rhnplugin This system is not registered with RHN. HOW TO CONFIGURE DNS SERVER AND CLIENT ON SOLARIS 11 Domain Name System is responsible for assigning domain names and mapping those names to IP address. In other words, it resolves the IP address to hostname and hostname to IP address. I am sure that customers won’t be ready to run Solaris 11 box as DNS server but still i just would like to share the method of configuring DNSVMWARE VSPHERE
How to recover the lost vCenter Server Appliance(VCSA 6.5 & above) root password? The vCenter Server Appliance is a preconfigured Linux virtual machine. vSphere 6.7 U1 is the last release to include vCenter Server for Windows, which has been deprecated. vCenter Server Appliance is a very simple vCenter platform compares to the windows-based vC. Since vCenter serverUNIXARENA - CLOUD
Virtualization helps to decouple the Operating systems and applications from the hardware layer. Virtualization is the process of creating a virtual or software-based representation like a virtual server, application, network, storage resources. Hypervisor is one of the most popular virtualizations technology for servers and operatingsystems.
SOLARIS 10 INTERVIEW QUESTIONS Here is the basic Solaris interview questions which are commonly asked in Solaris L1 or L2 (Level 1 or L2) interviews.If you don’t have a Solaris setup to work,just install Solaris as guest operating system on VMware workstations and get a hands on experience. You can also go through the below interface questions on specific category . 1.Solaris zones Interview Questions 2. AZURE - HOW TO CONVERT DISK FROM PREMIUM TO STANDARD SSD Azure offers four disk types of managed disks and we can choose any type based on the business needs. Azure provides an option to switch between the three GA disk types premium SSD, standard SSD, and standard HDD based on your performance needs. But Azure doesn’t provide an option to convert from or to an ANSIBLE - HOW TO INSTALL AND CONFIGURE AWX ? - UNIXARENA Ansible AWX is an upstream project of Ansible Tower. To evaluate ansible Tower, you can deploy AWX and check the functionality. AWX deployment is simple if you have an existing docker environment. AWX is an opensource project and the community is offering AWX in the form of container. AWX requires multiple components like a database,Message queue,
LDOM - MEMORY / CPU REALLOCATION ON HARD PARTITIONING In LDOM , we can’t dynamically remove/add memory resource when the resources are physically bound. This will make hard-time for administrator and application owners where we need to bring down the guest domain every-time when you re-reconfigure memory resources. Normally Oracle Super-cluster servers are pre-configured with Hard Partitioning using the LDOM virtualization. In typical HOW TO INSTALL DOCKER ON REDHAT LINUX (RHEL)- CENTOS How to install docker on Redhat Linux (RHEL) and CentOS? How to setup the docker environment to start the first container to start exploring the container world? In this article, we are going to demonstrate the docker community edition deployment on RHEL/CentOS. We will also launch the Docker containers to test the deployment. Docker HOW TO CONFIGURE TWO NODE VCS CLUSTER ON SOLARIS USING 2.Configure root password less authentication between two cluster nodes. 3.Install Symantec storage foundation HA on both Solaris nodes. 4.Install openfiler as virtual guest in vmware for shared storage. 5.Provision a new LUN in openfiler to share across the nodes. 6.Add the newly provisioned LUN in both the nodes using the iscisadm. LINUX KVM - CHANGE LIBVIRT VM IMAGE STORE PATH - PART 10 In KVM , VM images are stored in /var/lib/libvirt/images directory by default. There might be the space limitation since /var filesystem lives under root-vg. In KVM virtualization, everyone would prefer to store VM images in central repository to migrate running VM from one hypervisor to another. In that case, you need to change the default path for the libvirt images HOW TO CONFIGURE DNS SERVER AND CLIENT ON SOLARIS 11 Domain Name System is responsible for assigning domain names and mapping those names to IP address. In other words, it resolves the IP address to hostname and hostname to IP address. I am sure that customers won’t be ready to run Solaris 11 box as DNS server but still i just would like to share the method of configuring DNS USING DATE AND TIMESTAMP VARIABLE IN ANSIBLE PLAYBOOK Yes. Timestamp gathered from facts. That’s why we are able to perform the file cleanup at the end of the play. If you need the realtime timestamp, you could run the date command using the shellmodule.
UNIXARENA - CLOUD
Virtualization helps to decouple the Operating systems and applications from the hardware layer. Virtualization is the process of creating a virtual or software-based representation like a virtual server, application, network, storage resources. Hypervisor is one of the most popular virtualizations technology for servers and operatingsystems.
SOLARIS 10 INTERVIEW QUESTIONS Here is the basic Solaris interview questions which are commonly asked in Solaris L1 or L2 (Level 1 or L2) interviews.If you don’t have a Solaris setup to work,just install Solaris as guest operating system on VMware workstations and get a hands on experience. You can also go through the below interface questions on specific category . 1.Solaris zones Interview Questions 2. AZURE - HOW TO CONVERT DISK FROM PREMIUM TO STANDARD SSD Azure offers four disk types of managed disks and we can choose any type based on the business needs. Azure provides an option to switch between the three GA disk types premium SSD, standard SSD, and standard HDD based on your performance needs. But Azure doesn’t provide an option to convert from or to an ANSIBLE - HOW TO INSTALL AND CONFIGURE AWX ? - UNIXARENA Ansible AWX is an upstream project of Ansible Tower. To evaluate ansible Tower, you can deploy AWX and check the functionality. AWX deployment is simple if you have an existing docker environment. AWX is an opensource project and the community is offering AWX in the form of container. AWX requires multiple components like a database,Message queue,
HOW TO INSTALL DOCKER ON REDHAT LINUX (RHEL)- CENTOS How to install docker on Redhat Linux (RHEL) and CentOS? How to setup the docker environment to start the first container to start exploring the container world? In this article, we are going to demonstrate the docker community edition deployment on RHEL/CentOS. We will also launch the Docker containers to test the deployment. Docker LDOM - MEMORY / CPU REALLOCATION ON HARD PARTITIONING In LDOM , we can’t dynamically remove/add memory resource when the resources are physically bound. This will make hard-time for administrator and application owners where we need to bring down the guest domain every-time when you re-reconfigure memory resources. Normally Oracle Super-cluster servers are pre-configured with Hard Partitioning using the LDOM virtualization. In typical HOW TO CONFIGURE TWO NODE VCS CLUSTER ON SOLARIS USING 2.Configure root password less authentication between two cluster nodes. 3.Install Symantec storage foundation HA on both Solaris nodes. 4.Install openfiler as virtual guest in vmware for shared storage. 5.Provision a new LUN in openfiler to share across the nodes. 6.Add the newly provisioned LUN in both the nodes using the iscisadm. LINUX KVM - CHANGE LIBVIRT VM IMAGE STORE PATH - PART 10 In KVM , VM images are stored in /var/lib/libvirt/images directory by default. There might be the space limitation since /var filesystem lives under root-vg. In KVM virtualization, everyone would prefer to store VM images in central repository to migrate running VM from one hypervisor to another. In that case, you need to change the default path for the libvirt images HOW TO CONFIGURE DNS SERVER AND CLIENT ON SOLARIS 11 Domain Name System is responsible for assigning domain names and mapping those names to IP address. In other words, it resolves the IP address to hostname and hostname to IP address. I am sure that customers won’t be ready to run Solaris 11 box as DNS server but still i just would like to share the method of configuring DNS USING DATE AND TIMESTAMP VARIABLE IN ANSIBLE PLAYBOOK Yes. Timestamp gathered from facts. That’s why we are able to perform the file cleanup at the end of the play. If you need the realtime timestamp, you could run the date command using the shellmodule.
MICROSOFT AZURE
Login to Azure portal. 2. Navigate to the Windows server instance for which you would like to access the serial console. 3. Ensure boot diagnostics is enabled for the instance. 4. Navigate to the serial console and wait for few seconds to connect. 5. Once the console is connected, you will get the SAC prompt. HOW TO ENABLE AZURE NATIVE BACKUP FOR LINUX & WINDOWS VM? How to enable Azure native backup for Linux and Windows instances in Azure? To enable the Azure native backup, you need to set up a recovery service vault.Recovery service vault is an online-storage entity in Azure that’s used to hold data, such as backup copies, recovery points, andVXVM TUTORIAL 8
VXVM(veritas volume manager training) 8 of 10 A snapshot is the state of a volume at a particular point in time. Veritas Volume Manager snapshot capability for taking an image of a volume at a given point in time.It provides various snapshot depends on the environments and product cost. There are three type of snapshot HOW TO UPDATE THE ANSIBLE TOWER INVENTORY USING API Add a new ansible client on Tower using API: 1. Login to Ansible tower and navigate to inventory to find out the group id. Just hover the mouse on the inventory group to know the group id. 2. Let’s assume that group id is 1. Here is the ansible task block which will VXVM - VXDISK COMMAND SYNTAX WITH EXAMPLES - UNIXARENA Determine the usability of the specified disks # vxdisk check c3t1d0 c3t1d0: Error: Disk is not usable # vxdisk check c3t2d0 c3t1d0s2: Okay RHEL 7 - CONFIGURING PACEMAKER/COROSYNC - REDHAT CLUSTER In this article, we will see that how to configure two node Redhat cluster using pacemaker & corosync on REHL 7.2. Once you have installed the necessary packages, you need to enable the cluster services at the system start-up.You must start the necessary cluster services before kicking off the cluster configuration. “hacluster” user will be created automatically during the package LINUX INTERVIEW QUESTIONS Package management is one of the important task in Linux Administration.Red Hat Package manager aka RPM provides robust package administration on Redhat Linux.It eliminates the manually building software and made the software installation & maintenance much easier than before. RPM has lot of front-end tools to resolve the dependencies to install any packages. In this article ,we HOW TO ADD ISCSI STORAGE ARRAY TO OVM ? Oracle VM storage mechanisms uses oracle storage connect plug-ins. Oracle provides two type of generic plugins along with oracle VM software. One is Storage array plugin that used to connect block level storage and the second one is a filesystem plugin that is used to connect network filesystem based storage.These plugins will just help you to detect the storage LUNS . HOW TO INSTALL LVM ON LINUX AND DISK OPERATIONS LVM will be installed by default on Redhat Linux installation.But sometimes if you select the minimum package installation method,LVM will not be installed.So you need to install LVM package separately .Here we will see the LVM installation method and if its already installed how to verify it .Logical volume manager has two versions and those are 1.LVM-1 2.LVM-2 .VMWARE VSPHERE
How to recover the lost vCenter Server Appliance(VCSA 6.5 & above) root password? The vCenter Server Appliance is a preconfigured Linux virtual machine. vSphere 6.7 U1 is the last release to include vCenter Server for Windows, which has been deprecated. vCenter Server Appliance is a very simple vCenter platform compares to the windows-based vC. Since vCenter serverUNIXARENA - CLOUD
Virtualization helps to decouple the Operating systems and applications from the hardware layer. Virtualization is the process of creating a virtual or software-based representation like a virtual server, application, network, storage resources. Hypervisor is one of the most popular virtualizations technology for servers and operatingsystems.
SOLARIS 10 INTERVIEW QUESTIONS Here is the basic Solaris interview questions which are commonly asked in Solaris L1 or L2 (Level 1 or L2) interviews.If you don’t have a Solaris setup to work,just install Solaris as guest operating system on VMware workstations and get a hands on experience. You can also go through the below interface questions on specific category . 1.Solaris zones Interview Questions 2. AZURE - HOW TO CONVERT DISK FROM PREMIUM TO STANDARD SSD Azure offers four disk types of managed disks and we can choose any type based on the business needs. Azure provides an option to switch between the three GA disk types premium SSD, standard SSD, and standard HDD based on your performance needs. But Azure doesn’t provide an option to convert from or to an ANSIBLE - HOW TO INSTALL AND CONFIGURE AWX ? - UNIXARENA Ansible AWX is an upstream project of Ansible Tower. To evaluate ansible Tower, you can deploy AWX and check the functionality. AWX deployment is simple if you have an existing docker environment. AWX is an opensource project and the community is offering AWX in the form of container. AWX requires multiple components like a database,Message queue,
LDOM - MEMORY / CPU REALLOCATION ON HARD PARTITIONING In LDOM , we can’t dynamically remove/add memory resource when the resources are physically bound. This will make hard-time for administrator and application owners where we need to bring down the guest domain every-time when you re-reconfigure memory resources. Normally Oracle Super-cluster servers are pre-configured with Hard Partitioning using the LDOM virtualization. In typical HOW TO INSTALL DOCKER ON REDHAT LINUX (RHEL)- CENTOS How to install docker on Redhat Linux (RHEL) and CentOS? How to setup the docker environment to start the first container to start exploring the container world? In this article, we are going to demonstrate the docker community edition deployment on RHEL/CentOS. We will also launch the Docker containers to test the deployment. Docker HOW TO CONFIGURE TWO NODE VCS CLUSTER ON SOLARIS USING 2.Configure root password less authentication between two cluster nodes. 3.Install Symantec storage foundation HA on both Solaris nodes. 4.Install openfiler as virtual guest in vmware for shared storage. 5.Provision a new LUN in openfiler to share across the nodes. 6.Add the newly provisioned LUN in both the nodes using the iscisadm. LINUX KVM - CHANGE LIBVIRT VM IMAGE STORE PATH - PART 10 In KVM , VM images are stored in /var/lib/libvirt/images directory by default. There might be the space limitation since /var filesystem lives under root-vg. In KVM virtualization, everyone would prefer to store VM images in central repository to migrate running VM from one hypervisor to another. In that case, you need to change the default path for the libvirt images HOW TO CONFIGURE DNS SERVER AND CLIENT ON SOLARIS 11 Domain Name System is responsible for assigning domain names and mapping those names to IP address. In other words, it resolves the IP address to hostname and hostname to IP address. I am sure that customers won’t be ready to run Solaris 11 box as DNS server but still i just would like to share the method of configuring DNS USING DATE AND TIMESTAMP VARIABLE IN ANSIBLE PLAYBOOK Yes. Timestamp gathered from facts. That’s why we are able to perform the file cleanup at the end of the play. If you need the realtime timestamp, you could run the date command using the shellmodule.
UNIXARENA - CLOUD
Virtualization helps to decouple the Operating systems and applications from the hardware layer. Virtualization is the process of creating a virtual or software-based representation like a virtual server, application, network, storage resources. Hypervisor is one of the most popular virtualizations technology for servers and operatingsystems.
SOLARIS 10 INTERVIEW QUESTIONS Here is the basic Solaris interview questions which are commonly asked in Solaris L1 or L2 (Level 1 or L2) interviews.If you don’t have a Solaris setup to work,just install Solaris as guest operating system on VMware workstations and get a hands on experience. You can also go through the below interface questions on specific category . 1.Solaris zones Interview Questions 2. AZURE - HOW TO CONVERT DISK FROM PREMIUM TO STANDARD SSD Azure offers four disk types of managed disks and we can choose any type based on the business needs. Azure provides an option to switch between the three GA disk types premium SSD, standard SSD, and standard HDD based on your performance needs. But Azure doesn’t provide an option to convert from or to an ANSIBLE - HOW TO INSTALL AND CONFIGURE AWX ? - UNIXARENA Ansible AWX is an upstream project of Ansible Tower. To evaluate ansible Tower, you can deploy AWX and check the functionality. AWX deployment is simple if you have an existing docker environment. AWX is an opensource project and the community is offering AWX in the form of container. AWX requires multiple components like a database,Message queue,
LDOM - MEMORY / CPU REALLOCATION ON HARD PARTITIONING In LDOM , we can’t dynamically remove/add memory resource when the resources are physically bound. This will make hard-time for administrator and application owners where we need to bring down the guest domain every-time when you re-reconfigure memory resources. Normally Oracle Super-cluster servers are pre-configured with Hard Partitioning using the LDOM virtualization. In typical HOW TO INSTALL DOCKER ON REDHAT LINUX (RHEL)- CENTOS How to install docker on Redhat Linux (RHEL) and CentOS? How to setup the docker environment to start the first container to start exploring the container world? In this article, we are going to demonstrate the docker community edition deployment on RHEL/CentOS. We will also launch the Docker containers to test the deployment. Docker HOW TO CONFIGURE TWO NODE VCS CLUSTER ON SOLARIS USING 2.Configure root password less authentication between two cluster nodes. 3.Install Symantec storage foundation HA on both Solaris nodes. 4.Install openfiler as virtual guest in vmware for shared storage. 5.Provision a new LUN in openfiler to share across the nodes. 6.Add the newly provisioned LUN in both the nodes using the iscisadm. LINUX KVM - CHANGE LIBVIRT VM IMAGE STORE PATH - PART 10 In KVM , VM images are stored in /var/lib/libvirt/images directory by default. There might be the space limitation since /var filesystem lives under root-vg. In KVM virtualization, everyone would prefer to store VM images in central repository to migrate running VM from one hypervisor to another. In that case, you need to change the default path for the libvirt images HOW TO CONFIGURE DNS SERVER AND CLIENT ON SOLARIS 11 Domain Name System is responsible for assigning domain names and mapping those names to IP address. In other words, it resolves the IP address to hostname and hostname to IP address. I am sure that customers won’t be ready to run Solaris 11 box as DNS server but still i just would like to share the method of configuring DNS USING DATE AND TIMESTAMP VARIABLE IN ANSIBLE PLAYBOOK Yes. Timestamp gathered from facts. That’s why we are able to perform the file cleanup at the end of the play. If you need the realtime timestamp, you could run the date command using the shellmodule.
MICROSOFT AZURE
Login to Azure portal. 2. Navigate to the Windows server instance for which you would like to access the serial console. 3. Ensure boot diagnostics is enabled for the instance. 4. Navigate to the serial console and wait for few seconds to connect. 5. Once the console is connected, you will get the SAC prompt. HOW TO ENABLE AZURE NATIVE BACKUP FOR LINUX & WINDOWS VM? How to enable Azure native backup for Linux and Windows instances in Azure? To enable the Azure native backup, you need to set up a recovery service vault.Recovery service vault is an online-storage entity in Azure that’s used to hold data, such as backup copies, recovery points, andVXVM TUTORIAL 8
VXVM(veritas volume manager training) 8 of 10 A snapshot is the state of a volume at a particular point in time. Veritas Volume Manager snapshot capability for taking an image of a volume at a given point in time.It provides various snapshot depends on the environments and product cost. There are three type of snapshot HOW TO UPDATE THE ANSIBLE TOWER INVENTORY USING API Add a new ansible client on Tower using API: 1. Login to Ansible tower and navigate to inventory to find out the group id. Just hover the mouse on the inventory group to know the group id. 2. Let’s assume that group id is 1. Here is the ansible task block which will VXVM - VXDISK COMMAND SYNTAX WITH EXAMPLES - UNIXARENA Determine the usability of the specified disks # vxdisk check c3t1d0 c3t1d0: Error: Disk is not usable # vxdisk check c3t2d0 c3t1d0s2: Okay RHEL 7 - CONFIGURING PACEMAKER/COROSYNC - REDHAT CLUSTER In this article, we will see that how to configure two node Redhat cluster using pacemaker & corosync on REHL 7.2. Once you have installed the necessary packages, you need to enable the cluster services at the system start-up.You must start the necessary cluster services before kicking off the cluster configuration. “hacluster” user will be created automatically during the package LINUX INTERVIEW QUESTIONS Package management is one of the important task in Linux Administration.Red Hat Package manager aka RPM provides robust package administration on Redhat Linux.It eliminates the manually building software and made the software installation & maintenance much easier than before. RPM has lot of front-end tools to resolve the dependencies to install any packages. In this article ,we HOW TO ADD ISCSI STORAGE ARRAY TO OVM ? Oracle VM storage mechanisms uses oracle storage connect plug-ins. Oracle provides two type of generic plugins along with oracle VM software. One is Storage array plugin that used to connect block level storage and the second one is a filesystem plugin that is used to connect network filesystem based storage.These plugins will just help you to detect the storage LUNS . HOW TO INSTALL LVM ON LINUX AND DISK OPERATIONS LVM will be installed by default on Redhat Linux installation.But sometimes if you select the minimum package installation method,LVM will not be installed.So you need to install LVM package separately .Here we will see the LVM installation method and if its already installed how to verify it .Logical volume manager has two versions and those are 1.LVM-1 2.LVM-2 .VMWARE VSPHERE
How to recover the lost vCenter Server Appliance(VCSA 6.5 & above) root password? The vCenter Server Appliance is a preconfigured Linux virtual machine. vSphere 6.7 U1 is the last release to include vCenter Server for Windows, which has been deprecated. vCenter Server Appliance is a very simple vCenter platform compares to the windows-based vC. Since vCenter serverUNIXARENA - CLOUD
Virtualization helps to decouple the Operating systems and applications from the hardware layer. Virtualization is the process of creating a virtual or software-based representation like a virtual server, application, network, storage resources. Hypervisor is one of the most popular virtualizations technology for servers and operatingsystems.
VXVM TUTORIAL 8
VXVM(veritas volume manager training) 8 of 10 A snapshot is the state of a volume at a particular point in time. Veritas Volume Manager snapshot capability for taking an image of a volume at a given point in time.It provides various snapshot depends on the environments and product cost. There are three type of snapshot HOW TO ENABLE AZURE NATIVE BACKUP FOR LINUX & WINDOWS VM? How to enable Azure native backup for Linux and Windows instances in Azure? To enable the Azure native backup, you need to set up a recovery service vault.Recovery service vault is an online-storage entity in Azure that’s used to hold data, such as backup copies, recovery points, and HOW TO UPDATE THE ANSIBLE TOWER INVENTORY USING API Add a new ansible client on Tower using API: 1. Login to Ansible tower and navigate to inventory to find out the group id. Just hover the mouse on the inventory group to know the group id. 2. Let’s assume that group id is 1. Here is the ansible task block which will VXVM - VXDISK COMMAND SYNTAX WITH EXAMPLES - UNIXARENA Determine the usability of the specified disks # vxdisk check c3t1d0 c3t1d0: Error: Disk is not usable # vxdisk check c3t2d0 c3t1d0s2: OkayANSIBLE TOWER / AWX
Ansible Job template is used to incorporate the playbook in the web interface. Before start creating the template, you must create the playbook and keep it ready in the project path. We also need to create other objects like inventory, projects, and credentials to create a new job template. In this article, we will walk you LDOM - MEMORY / CPU REALLOCATION ON HARD PARTITIONING In LDOM , we can’t dynamically remove/add memory resource when the resources are physically bound. This will make hard-time for administrator and application owners where we need to bring down the guest domain every-time when you re-reconfigure memory resources. Normally Oracle Super-cluster servers are pre-configured with Hard Partitioning using the LDOM virtualization. In typical HOW TO INSTALL DOCKER ON REDHAT LINUX (RHEL)- CENTOS How to install docker on Redhat Linux (RHEL) and CentOS? How to setup the docker environment to start the first container to start exploring the container world? In this article, we are going to demonstrate the docker community edition deployment on RHEL/CentOS. We will also launch the Docker containers to test the deployment. Docker HOW TO ADD ISCSI STORAGE ARRAY TO OVM ? Oracle VM storage mechanisms uses oracle storage connect plug-ins. Oracle provides two type of generic plugins along with oracle VM software. One is Storage array plugin that used to connect block level storage and the second one is a filesystem plugin that is used to connect network filesystem based storage.These plugins will just help you to detect the storage LUNS .VMWARE VSPHERE
How to recover the lost vCenter Server Appliance(VCSA 6.5 & above) root password? The vCenter Server Appliance is a preconfigured Linux virtual machine. vSphere 6.7 U1 is the last release to include vCenter Server for Windows, which has been deprecated. vCenter Server Appliance is a very simple vCenter platform compares to the windows-based vC. Since vCenter serverUNIXARENA - CLOUD
Virtualization helps to decouple the Operating systems and applications from the hardware layer. Virtualization is the process of creating a virtual or software-based representation like a virtual server, application, network, storage resources. Hypervisor is one of the most popular virtualizations technology for servers and operatingsystems.
VXVM TUTORIAL 8
VXVM(veritas volume manager training) 8 of 10 A snapshot is the state of a volume at a particular point in time. Veritas Volume Manager snapshot capability for taking an image of a volume at a given point in time.It provides various snapshot depends on the environments and product cost. There are three type of snapshot HOW TO ENABLE AZURE NATIVE BACKUP FOR LINUX & WINDOWS VM? How to enable Azure native backup for Linux and Windows instances in Azure? To enable the Azure native backup, you need to set up a recovery service vault.Recovery service vault is an online-storage entity in Azure that’s used to hold data, such as backup copies, recovery points, and HOW TO UPDATE THE ANSIBLE TOWER INVENTORY USING API Add a new ansible client on Tower using API: 1. Login to Ansible tower and navigate to inventory to find out the group id. Just hover the mouse on the inventory group to know the group id. 2. Let’s assume that group id is 1. Here is the ansible task block which will VXVM - VXDISK COMMAND SYNTAX WITH EXAMPLES - UNIXARENA Determine the usability of the specified disks # vxdisk check c3t1d0 c3t1d0: Error: Disk is not usable # vxdisk check c3t2d0 c3t1d0s2: OkayANSIBLE TOWER / AWX
Ansible Job template is used to incorporate the playbook in the web interface. Before start creating the template, you must create the playbook and keep it ready in the project path. We also need to create other objects like inventory, projects, and credentials to create a new job template. In this article, we will walk you LDOM - MEMORY / CPU REALLOCATION ON HARD PARTITIONING In LDOM , we can’t dynamically remove/add memory resource when the resources are physically bound. This will make hard-time for administrator and application owners where we need to bring down the guest domain every-time when you re-reconfigure memory resources. Normally Oracle Super-cluster servers are pre-configured with Hard Partitioning using the LDOM virtualization. In typical HOW TO INSTALL DOCKER ON REDHAT LINUX (RHEL)- CENTOS How to install docker on Redhat Linux (RHEL) and CentOS? How to setup the docker environment to start the first container to start exploring the container world? In this article, we are going to demonstrate the docker community edition deployment on RHEL/CentOS. We will also launch the Docker containers to test the deployment. Docker HOW TO ADD ISCSI STORAGE ARRAY TO OVM ? Oracle VM storage mechanisms uses oracle storage connect plug-ins. Oracle provides two type of generic plugins along with oracle VM software. One is Storage array plugin that used to connect block level storage and the second one is a filesystem plugin that is used to connect network filesystem based storage.These plugins will just help you to detect the storage LUNS .VMWARE VSPHERE
How to recover the lost vCenter Server Appliance(VCSA 6.5 & above) root password? The vCenter Server Appliance is a preconfigured Linux virtual machine. vSphere 6.7 U1 is the last release to include vCenter Server for Windows, which has been deprecated. vCenter Server Appliance is a very simple vCenter platform compares to the windows-based vC. Since vCenter serverUNIXARENA - CLOUD
Virtualization helps to decouple the Operating systems and applications from the hardware layer. Virtualization is the process of creating a virtual or software-based representation like a virtual server, application, network, storage resources. Hypervisor is one of the most popular virtualizations technology for servers and operatingsystems.
VXVM TUTORIAL 8
VXVM(veritas volume manager training) 8 of 10 A snapshot is the state of a volume at a particular point in time. Veritas Volume Manager snapshot capability for taking an image of a volume at a given point in time.It provides various snapshot depends on the environments and product cost. There are three type of snapshotANSIBLE TOWER / AWX
Ansible Job template is used to incorporate the playbook in the web interface. Before start creating the template, you must create the playbook and keep it ready in the project path.. We also need to create other objects like inventory, projects, and credentials to create a new job template.ANSIBLE TOWER / AWX
Ansible workflow combines one or more resources links together in a sequence of disparate resources with conditional job results. This allows us to create a template for each task and combine in one workflow based on the results. The following resource could co-exist in workflows. inventory source syncs job templates project syncs workflow templates This SOLARIS PROCESSES MONITORING Solaris has number of tools to examine process details and those just reading the /proc directory. These tools are very useful in application troubleshooting and analyzing the system performance. This article is based on “Solaris™ Internals: Solaris 10 and OpenSolaris Kernel Architecture” book. I would strongly recommend this for all the Solaris administrators. Here we ANSIBLE - HOW TO INSTALL AND CONFIGURE AWX ? - UNIXARENA Ansible AWX is an upstream project of Ansible Tower. To evaluate ansible Tower, you can deploy AWX and check the functionality. AWX deployment is simple if you have an existing docker environment. AWX is an opensource project and the community is offering AWX in the form of container. AWX requires multiple components like a database,Message queue,
ANSIBLE - HOW TO STORE PLAYBOOK RESULT IN VARIABLE 1. Create the playbook to execute the “df” command to check the /boot usage. Use “register” to store the output to a variable. 2. Run the playbook to see the result. Ensure that “gpfslinapp1” host in the inventory file “lin-servers”. The playbook ran “df -h /boot” command and WHAT IS VMWARE'S VSAN ? HOW TO IMPLEMENT IT ? VMware is offering different piece of software to utilize the all type of x86 hardwares in the world.Virtual SAN is another great achievement of VMware which helps you to eliminate the costliest SAN network and costlier NAS storage devices. VSAN algorithm is very simple and smart. When you buy a server, by default it willANSIBLE TOWER / AWX
Ansible playbooks and roles must be kept in the Git repositories. Git provides a great mechanism to track the changes in the source code (i.e Playbooks). It also allows playbook developers to create a new branch and work on the codes without impacting the production. Ansible offers an option to pull the new codes on HOW TO CONFIGURE DNS SERVER AND CLIENT ON SOLARIS 11 Domain Name System is responsible for assigning domain names and mapping those names to IP address. In other words, it resolves the IP address to hostname and hostname to IP address. I am sure that customers won’t be ready to run Solaris 11 box as DNS server but still i just would like to share the method of configuring DNSUNIXARENA - CLOUD
Virtualization helps to decouple the Operating systems and applications from the hardware layer. Virtualization is the process of creating a virtual or software-based representation like a virtual server, application, network, storage resources. Hypervisor is one of the most popular virtualizations technology for servers and operatingsystems.
ANSIBLE TOWER / AWX
Ansible workflow combines one or more resources links together in a sequence of disparate resources with conditional job results. This allows us to create a template for each task and combine in one workflow based on the results. The following resource could co-exist in workflows. inventory source syncs job templates project syncs workflow templates This WHAT IS VMWARE'S VSAN ? HOW TO IMPLEMENT IT ? VMware is offering different piece of software to utilize the all type of x86 hardwares in the world.Virtual SAN is another great achievement of VMware which helps you to eliminate the costliest SAN network and costlier NAS storage devices. VSAN algorithm is very simple and smart. When you buy a server, by default it willANSIBLE TOWER / AWX
Ansible Job template is used to incorporate the playbook in the web interface. Before start creating the template, you must create the playbook and keep it ready in the project path. We also need to create other objects like inventory, projects, and credentials to create a new job template. In this article, we will walk you HOW TO UPDATE THE ANSIBLE TOWER INVENTORY USING APIANSIBLE TOWER INVENTORY FILEANSIBLE TOWER INVENTORY SOURCESHOW TO USE ANSIBLEHOW TO USE ANSIBLE GALAXYANSIBLE TOWER DOWNLOADANSIBLE TOWER AWS INVENTORY Add a new ansible client on Tower using API: 1. Login to Ansible tower and navigate to inventory to find out the group id. Just hover the mouse on the inventory group to know the group id. 2. Let’s assume that group id is 1. Here is the ansible task block which will HOW TO INSTALL DOCKER ON REDHAT LINUX (RHEL)- CENTOS How to install docker on Redhat Linux (RHEL) and CentOS? How to setup the docker environment to start the first container to start exploring the container world? In this article, we are going to demonstrate the docker community edition deployment on RHEL/CentOS. We will also launch the Docker containers to test the deployment. Docker LINUX - PERFORMANCE ISSUES TROUBLESHOOTING - UNIXARENALINUX MINT ENABLE RDPLINUX MINT RDP CLIENTLINUX RDP SERVER When it comes to performance issues on any operating systems ,then you need lot of patience to troubleshoot it before contacting the operating system vendors.Here we are going to see how to troubleshoot the Redhat Linux performance issues. The performance issue mainly raises due to system resource shortage. If the application is not properly configured according to the systemREDHAT LINUX
Redhat Linux’s Logical volume Manager has many attributes which are available for controlling the behavior LVM objects or to changing the default values of LVM. We may not use those attributes very often in typical production environment but knowing is not a bad thing. As a Unix/Linux admin,we should have capability to explain each and everyfield of
USING DATE AND TIMESTAMP VARIABLE IN ANSIBLE PLAYBOOK Yes. Timestamp gathered from facts. That’s why we are able to perform the file cleanup at the end of the play. If you need the realtime timestamp, you could run the date command using the shellmodule.
HOW TO ADD ISCSI STORAGE ARRAY TO OVM ? Oracle VM storage mechanisms uses oracle storage connect plug-ins. Oracle provides two type of generic plugins along with oracle VM software. One is Storage array plugin that used to connect block level storage and the second one is a filesystem plugin that is used to connect network filesystem based storage.These plugins will just help you to detect the storage LUNS .UNIXARENA - CLOUD
Virtualization helps to decouple the Operating systems and applications from the hardware layer. Virtualization is the process of creating a virtual or software-based representation like a virtual server, application, network, storage resources. Hypervisor is one of the most popular virtualizations technology for servers and operatingsystems.
ANSIBLE TOWER / AWX
Ansible workflow combines one or more resources links together in a sequence of disparate resources with conditional job results. This allows us to create a template for each task and combine in one workflow based on the results. The following resource could co-exist in workflows. inventory source syncs job templates project syncs workflow templates This WHAT IS VMWARE'S VSAN ? HOW TO IMPLEMENT IT ? VMware is offering different piece of software to utilize the all type of x86 hardwares in the world.Virtual SAN is another great achievement of VMware which helps you to eliminate the costliest SAN network and costlier NAS storage devices. VSAN algorithm is very simple and smart. When you buy a server, by default it willANSIBLE TOWER / AWX
Ansible Job template is used to incorporate the playbook in the web interface. Before start creating the template, you must create the playbook and keep it ready in the project path. We also need to create other objects like inventory, projects, and credentials to create a new job template. In this article, we will walk you HOW TO UPDATE THE ANSIBLE TOWER INVENTORY USING APIANSIBLE TOWER INVENTORY FILEANSIBLE TOWER INVENTORY SOURCESHOW TO USE ANSIBLEHOW TO USE ANSIBLE GALAXYANSIBLE TOWER DOWNLOADANSIBLE TOWER AWS INVENTORY Add a new ansible client on Tower using API: 1. Login to Ansible tower and navigate to inventory to find out the group id. Just hover the mouse on the inventory group to know the group id. 2. Let’s assume that group id is 1. Here is the ansible task block which will HOW TO INSTALL DOCKER ON REDHAT LINUX (RHEL)- CENTOS How to install docker on Redhat Linux (RHEL) and CentOS? How to setup the docker environment to start the first container to start exploring the container world? In this article, we are going to demonstrate the docker community edition deployment on RHEL/CentOS. We will also launch the Docker containers to test the deployment. Docker LINUX - PERFORMANCE ISSUES TROUBLESHOOTING - UNIXARENALINUX MINT ENABLE RDPLINUX MINT RDP CLIENTLINUX RDP SERVER When it comes to performance issues on any operating systems ,then you need lot of patience to troubleshoot it before contacting the operating system vendors.Here we are going to see how to troubleshoot the Redhat Linux performance issues. The performance issue mainly raises due to system resource shortage. If the application is not properly configured according to the systemREDHAT LINUX
Redhat Linux’s Logical volume Manager has many attributes which are available for controlling the behavior LVM objects or to changing the default values of LVM. We may not use those attributes very often in typical production environment but knowing is not a bad thing. As a Unix/Linux admin,we should have capability to explain each and everyfield of
USING DATE AND TIMESTAMP VARIABLE IN ANSIBLE PLAYBOOK Yes. Timestamp gathered from facts. That’s why we are able to perform the file cleanup at the end of the play. If you need the realtime timestamp, you could run the date command using the shellmodule.
HOW TO ADD ISCSI STORAGE ARRAY TO OVM ? Oracle VM storage mechanisms uses oracle storage connect plug-ins. Oracle provides two type of generic plugins along with oracle VM software. One is Storage array plugin that used to connect block level storage and the second one is a filesystem plugin that is used to connect network filesystem based storage.These plugins will just help you to detect the storage LUNS .ANSIBLE TOWER / AWX
Ansible Job template is used to incorporate the playbook in the web interface. Before start creating the template, you must create the playbook and keep it ready in the project path.. We also need to create other objects like inventory, projects, and credentials to create a new job template.VXVM TUTORIAL 8
VXVM(veritas volume manager training) 8 of 10 A snapshot is the state of a volume at a particular point in time. Veritas Volume Manager snapshot capability for taking an image of a volume at a given point in time.It provides various snapshot depends on the environments and product cost. There are three type of snapshot HOW TO USE DESKTOP GITHUB CLIENT GitHub is a web-based version control platform to manage the codes. GitHub continuously offers many tools to manage the codes effectively. Desktop GitHub Client is one of the tools which can be used to manage the code from your laptop/desktop effectively. HOW TO ENABLE AZURE NATIVE BACKUP FOR LINUX & WINDOWS VM? How to enable Azure native backup for Linux and Windows instances in Azure? To enable the Azure native backup, you need to set up a recovery service vault.Recovery service vault is an online-storage entity in Azure that’s used to hold data, such as backup copies, recovery points, and SOLARIS PROCESSES MONITORING Solaris has number of tools to examine process details and those just reading the /proc directory. These tools are very useful in application troubleshooting and analyzing the system performance. This article is based on “Solaris™ Internals: Solaris 10 and OpenSolaris Kernel Architecture” book. I would strongly recommend this for all the Solaris administrators. Here we LINUX - PERFORMANCE ISSUES TROUBLESHOOTING - UNIXARENA When it comes to performance issues on any operating systems ,then you need lot of patience to troubleshoot it before contacting the operating system vendors.Here we are going to see how to troubleshoot the Redhat Linux performance issues. The performance issue mainly raises due to system resource shortage. If the application is not properly configured according to the system LDOM - MEMORY / CPU REALLOCATION ON HARD PARTITIONING In LDOM , we can’t dynamically remove/add memory resource when the resources are physically bound. This will make hard-time for administrator and application owners where we need to bring down the guest domain every-time when you re-reconfigure memory resources. Normally Oracle Super-cluster servers are pre-configured with Hard Partitioning using the LDOM virtualization. In typical HOW TO UPGRADE/UPDATE REDHAT LINUX TO SPECIFIC VERSION 4. If the current OS version is RHEL 6.2 and the requirement is to update to 6.5 , please use the following command to update the system to specific release. If you don’t specify “releasever” parameter ,then system will be updated to latest major release. # yum --releasever=6.5 update. If you DOWNGRADING ANSIBLE ENGINE ON CENTOS 7/ RHEL 7 How to downgrade Ansible engine on RHEL 7 / CentOS 7 ?. If you install ansible engine from EPEL repository, it will install the latest ansible engine. I had a hard time with latest ansible engine due to incompatibility with specific tasks. For example, Openshift deploymentworks fine
HOW TO ADD ISCSI STORAGE TO VMWARE ESXI 5.5 ? Here we will see how to add the ISCSI storage to the Vmware ESXi 5.5 hosts using VSphere web-client.As you know ISCSI storage is very cheap and many companies are preferred to deploy ISCSI storage for low and mid range servers. ISCSI can’t match the performance with FC SAN but cost wise its very affordable.UNIXARENA - CLOUD
Virtualization helps to decouple the Operating systems and applications from the hardware layer. Virtualization is the process of creating a virtual or software-based representation like a virtual server, application, network, storage resources. Hypervisor is one of the most popular virtualizations technology for servers and operatingsystems.
ANSIBLE TOWER / AWX
Ansible workflow combines one or more resources links together in a sequence of disparate resources with conditional job results. This allows us to create a template for each task and combine in one workflow based on the results. The following resource could co-exist in workflows. inventory source syncs job templates project syncs workflow templates This WHAT IS VMWARE'S VSAN ? HOW TO IMPLEMENT IT ? VMware is offering different piece of software to utilize the all type of x86 hardwares in the world.Virtual SAN is another great achievement of VMware which helps you to eliminate the costliest SAN network and costlier NAS storage devices. VSAN algorithm is very simple and smart. When you buy a server, by default it willANSIBLE TOWER / AWX
Ansible Job template is used to incorporate the playbook in the web interface. Before start creating the template, you must create the playbook and keep it ready in the project path. We also need to create other objects like inventory, projects, and credentials to create a new job template. In this article, we will walk you HOW TO UPDATE THE ANSIBLE TOWER INVENTORY USING APIANSIBLE TOWER INVENTORY FILEANSIBLE TOWER INVENTORY SOURCESHOW TO USE ANSIBLEHOW TO USE ANSIBLE GALAXYANSIBLE TOWER DOWNLOADANSIBLE TOWER AWS INVENTORY Add a new ansible client on Tower using API: 1. Login to Ansible tower and navigate to inventory to find out the group id. Just hover the mouse on the inventory group to know the group id. 2. Let’s assume that group id is 1. Here is the ansible task block which will HOW TO INSTALL DOCKER ON REDHAT LINUX (RHEL)- CENTOS How to install docker on Redhat Linux (RHEL) and CentOS? How to setup the docker environment to start the first container to start exploring the container world? In this article, we are going to demonstrate the docker community edition deployment on RHEL/CentOS. We will also launch the Docker containers to test the deployment. Docker LINUX - PERFORMANCE ISSUES TROUBLESHOOTING - UNIXARENALINUX MINT ENABLE RDPLINUX MINT RDP CLIENTLINUX RDP SERVER When it comes to performance issues on any operating systems ,then you need lot of patience to troubleshoot it before contacting the operating system vendors.Here we are going to see how to troubleshoot the Redhat Linux performance issues. The performance issue mainly raises due to system resource shortage. If the application is not properly configured according to the systemREDHAT LINUX
Redhat Linux’s Logical volume Manager has many attributes which are available for controlling the behavior LVM objects or to changing the default values of LVM. We may not use those attributes very often in typical production environment but knowing is not a bad thing. As a Unix/Linux admin,we should have capability to explain each and everyfield of
USING DATE AND TIMESTAMP VARIABLE IN ANSIBLE PLAYBOOK Yes. Timestamp gathered from facts. That’s why we are able to perform the file cleanup at the end of the play. If you need the realtime timestamp, you could run the date command using the shellmodule.
HOW TO ADD ISCSI STORAGE ARRAY TO OVM ? Oracle VM storage mechanisms uses oracle storage connect plug-ins. Oracle provides two type of generic plugins along with oracle VM software. One is Storage array plugin that used to connect block level storage and the second one is a filesystem plugin that is used to connect network filesystem based storage.These plugins will just help you to detect the storage LUNS .UNIXARENA - CLOUD
Virtualization helps to decouple the Operating systems and applications from the hardware layer. Virtualization is the process of creating a virtual or software-based representation like a virtual server, application, network, storage resources. Hypervisor is one of the most popular virtualizations technology for servers and operatingsystems.
ANSIBLE TOWER / AWX
Ansible workflow combines one or more resources links together in a sequence of disparate resources with conditional job results. This allows us to create a template for each task and combine in one workflow based on the results. The following resource could co-exist in workflows. inventory source syncs job templates project syncs workflow templates This WHAT IS VMWARE'S VSAN ? HOW TO IMPLEMENT IT ? VMware is offering different piece of software to utilize the all type of x86 hardwares in the world.Virtual SAN is another great achievement of VMware which helps you to eliminate the costliest SAN network and costlier NAS storage devices. VSAN algorithm is very simple and smart. When you buy a server, by default it willANSIBLE TOWER / AWX
Ansible Job template is used to incorporate the playbook in the web interface. Before start creating the template, you must create the playbook and keep it ready in the project path. We also need to create other objects like inventory, projects, and credentials to create a new job template. In this article, we will walk you HOW TO UPDATE THE ANSIBLE TOWER INVENTORY USING APIANSIBLE TOWER INVENTORY FILEANSIBLE TOWER INVENTORY SOURCESHOW TO USE ANSIBLEHOW TO USE ANSIBLE GALAXYANSIBLE TOWER DOWNLOADANSIBLE TOWER AWS INVENTORY Add a new ansible client on Tower using API: 1. Login to Ansible tower and navigate to inventory to find out the group id. Just hover the mouse on the inventory group to know the group id. 2. Let’s assume that group id is 1. Here is the ansible task block which will HOW TO INSTALL DOCKER ON REDHAT LINUX (RHEL)- CENTOS How to install docker on Redhat Linux (RHEL) and CentOS? How to setup the docker environment to start the first container to start exploring the container world? In this article, we are going to demonstrate the docker community edition deployment on RHEL/CentOS. We will also launch the Docker containers to test the deployment. Docker LINUX - PERFORMANCE ISSUES TROUBLESHOOTING - UNIXARENALINUX MINT ENABLE RDPLINUX MINT RDP CLIENTLINUX RDP SERVER When it comes to performance issues on any operating systems ,then you need lot of patience to troubleshoot it before contacting the operating system vendors.Here we are going to see how to troubleshoot the Redhat Linux performance issues. The performance issue mainly raises due to system resource shortage. If the application is not properly configured according to the systemREDHAT LINUX
Redhat Linux’s Logical volume Manager has many attributes which are available for controlling the behavior LVM objects or to changing the default values of LVM. We may not use those attributes very often in typical production environment but knowing is not a bad thing. As a Unix/Linux admin,we should have capability to explain each and everyfield of
USING DATE AND TIMESTAMP VARIABLE IN ANSIBLE PLAYBOOK Yes. Timestamp gathered from facts. That’s why we are able to perform the file cleanup at the end of the play. If you need the realtime timestamp, you could run the date command using the shellmodule.
HOW TO ADD ISCSI STORAGE ARRAY TO OVM ? Oracle VM storage mechanisms uses oracle storage connect plug-ins. Oracle provides two type of generic plugins along with oracle VM software. One is Storage array plugin that used to connect block level storage and the second one is a filesystem plugin that is used to connect network filesystem based storage.These plugins will just help you to detect the storage LUNS .ANSIBLE TOWER / AWX
Ansible Job template is used to incorporate the playbook in the web interface. Before start creating the template, you must create the playbook and keep it ready in the project path.. We also need to create other objects like inventory, projects, and credentials to create a new job template.VXVM TUTORIAL 8
VXVM(veritas volume manager training) 8 of 10 A snapshot is the state of a volume at a particular point in time. Veritas Volume Manager snapshot capability for taking an image of a volume at a given point in time.It provides various snapshot depends on the environments and product cost. There are three type of snapshot HOW TO USE DESKTOP GITHUB CLIENT GitHub is a web-based version control platform to manage the codes. GitHub continuously offers many tools to manage the codes effectively. Desktop GitHub Client is one of the tools which can be used to manage the code from your laptop/desktop effectively. HOW TO ENABLE AZURE NATIVE BACKUP FOR LINUX & WINDOWS VM? How to enable Azure native backup for Linux and Windows instances in Azure? To enable the Azure native backup, you need to set up a recovery service vault.Recovery service vault is an online-storage entity in Azure that’s used to hold data, such as backup copies, recovery points, and SOLARIS PROCESSES MONITORING Solaris has number of tools to examine process details and those just reading the /proc directory. These tools are very useful in application troubleshooting and analyzing the system performance. This article is based on “Solaris™ Internals: Solaris 10 and OpenSolaris Kernel Architecture” book. I would strongly recommend this for all the Solaris administrators. Here we LINUX - PERFORMANCE ISSUES TROUBLESHOOTING - UNIXARENA When it comes to performance issues on any operating systems ,then you need lot of patience to troubleshoot it before contacting the operating system vendors.Here we are going to see how to troubleshoot the Redhat Linux performance issues. The performance issue mainly raises due to system resource shortage. If the application is not properly configured according to the system LDOM - MEMORY / CPU REALLOCATION ON HARD PARTITIONING In LDOM , we can’t dynamically remove/add memory resource when the resources are physically bound. This will make hard-time for administrator and application owners where we need to bring down the guest domain every-time when you re-reconfigure memory resources. Normally Oracle Super-cluster servers are pre-configured with Hard Partitioning using the LDOM virtualization. In typical HOW TO UPGRADE/UPDATE REDHAT LINUX TO SPECIFIC VERSION 4. If the current OS version is RHEL 6.2 and the requirement is to update to 6.5 , please use the following command to update the system to specific release. If you don’t specify “releasever” parameter ,then system will be updated to latest major release. # yum --releasever=6.5 update. If you DOWNGRADING ANSIBLE ENGINE ON CENTOS 7/ RHEL 7 How to downgrade Ansible engine on RHEL 7 / CentOS 7 ?. If you install ansible engine from EPEL repository, it will install the latest ansible engine. I had a hard time with latest ansible engine due to incompatibility with specific tasks. For example, Openshift deploymentworks fine
HOW TO ADD ISCSI STORAGE TO VMWARE ESXI 5.5 ? Here we will see how to add the ISCSI storage to the Vmware ESXi 5.5 hosts using VSphere web-client.As you know ISCSI storage is very cheap and many companies are preferred to deploy ISCSI storage for low and mid range servers. ISCSI can’t match the performance with FC SAN but cost wise its very affordable.UNIXARENA - CLOUD
Virtualization helps to decouple the Operating systems and applications from the hardware layer. Virtualization is the process of creating a virtual or software-based representation like a virtual server, application, network, storage resources. Hypervisor is one of the most popular virtualizations technology for servers and operatingsystems.
ANSIBLE TOWER / AWX
Ansible workflow combines one or more resources links together in a sequence of disparate resources with conditional job results. This allows us to create a template for each task and combine in one workflow based on the results. The following resource could co-exist in workflows. inventory source syncs job templates project syncs workflow templates This WHAT IS VMWARE'S VSAN ? HOW TO IMPLEMENT IT ? VMware is offering different piece of software to utilize the all type of x86 hardwares in the world.Virtual SAN is another great achievement of VMware which helps you to eliminate the costliest SAN network and costlier NAS storage devices. VSAN algorithm is very simple and smart. When you buy a server, by default it willANSIBLE TOWER / AWX
Ansible Job template is used to incorporate the playbook in the web interface. Before start creating the template, you must create the playbook and keep it ready in the project path. We also need to create other objects like inventory, projects, and credentials to create a new job template. In this article, we will walk you HOW TO UPDATE THE ANSIBLE TOWER INVENTORY USING APIANSIBLE TOWER INVENTORY FILEANSIBLE TOWER INVENTORY SOURCESHOW TO USE ANSIBLEHOW TO USE ANSIBLE GALAXYANSIBLE TOWER DOWNLOADANSIBLE TOWER AWS INVENTORY Add a new ansible client on Tower using API: 1. Login to Ansible tower and navigate to inventory to find out the group id. Just hover the mouse on the inventory group to know the group id. 2. Let’s assume that group id is 1. Here is the ansible task block which will HOW TO INSTALL DOCKER ON REDHAT LINUX (RHEL)- CENTOS How to install docker on Redhat Linux (RHEL) and CentOS? How to setup the docker environment to start the first container to start exploring the container world? In this article, we are going to demonstrate the docker community edition deployment on RHEL/CentOS. We will also launch the Docker containers to test the deployment. Docker LINUX - PERFORMANCE ISSUES TROUBLESHOOTING - UNIXARENALINUX MINT ENABLE RDPLINUX MINT RDP CLIENTLINUX RDP SERVER When it comes to performance issues on any operating systems ,then you need lot of patience to troubleshoot it before contacting the operating system vendors.Here we are going to see how to troubleshoot the Redhat Linux performance issues. The performance issue mainly raises due to system resource shortage. If the application is not properly configured according to the systemREDHAT LINUX
Redhat Linux’s Logical volume Manager has many attributes which are available for controlling the behavior LVM objects or to changing the default values of LVM. We may not use those attributes very often in typical production environment but knowing is not a bad thing. As a Unix/Linux admin,we should have capability to explain each and everyfield of
USING DATE AND TIMESTAMP VARIABLE IN ANSIBLE PLAYBOOK Yes. Timestamp gathered from facts. That’s why we are able to perform the file cleanup at the end of the play. If you need the realtime timestamp, you could run the date command using the shellmodule.
HOW TO ADD ISCSI STORAGE ARRAY TO OVM ? Oracle VM storage mechanisms uses oracle storage connect plug-ins. Oracle provides two type of generic plugins along with oracle VM software. One is Storage array plugin that used to connect block level storage and the second one is a filesystem plugin that is used to connect network filesystem based storage.These plugins will just help you to detect the storage LUNS .UNIXARENA - CLOUD
Virtualization helps to decouple the Operating systems and applications from the hardware layer. Virtualization is the process of creating a virtual or software-based representation like a virtual server, application, network, storage resources. Hypervisor is one of the most popular virtualizations technology for servers and operatingsystems.
ANSIBLE TOWER / AWX
Ansible workflow combines one or more resources links together in a sequence of disparate resources with conditional job results. This allows us to create a template for each task and combine in one workflow based on the results. The following resource could co-exist in workflows. inventory source syncs job templates project syncs workflow templates This WHAT IS VMWARE'S VSAN ? HOW TO IMPLEMENT IT ? VMware is offering different piece of software to utilize the all type of x86 hardwares in the world.Virtual SAN is another great achievement of VMware which helps you to eliminate the costliest SAN network and costlier NAS storage devices. VSAN algorithm is very simple and smart. When you buy a server, by default it willANSIBLE TOWER / AWX
Ansible Job template is used to incorporate the playbook in the web interface. Before start creating the template, you must create the playbook and keep it ready in the project path. We also need to create other objects like inventory, projects, and credentials to create a new job template. In this article, we will walk you HOW TO UPDATE THE ANSIBLE TOWER INVENTORY USING APIANSIBLE TOWER INVENTORY FILEANSIBLE TOWER INVENTORY SOURCESHOW TO USE ANSIBLEHOW TO USE ANSIBLE GALAXYANSIBLE TOWER DOWNLOADANSIBLE TOWER AWS INVENTORY Add a new ansible client on Tower using API: 1. Login to Ansible tower and navigate to inventory to find out the group id. Just hover the mouse on the inventory group to know the group id. 2. Let’s assume that group id is 1. Here is the ansible task block which will HOW TO INSTALL DOCKER ON REDHAT LINUX (RHEL)- CENTOS How to install docker on Redhat Linux (RHEL) and CentOS? How to setup the docker environment to start the first container to start exploring the container world? In this article, we are going to demonstrate the docker community edition deployment on RHEL/CentOS. We will also launch the Docker containers to test the deployment. Docker LINUX - PERFORMANCE ISSUES TROUBLESHOOTING - UNIXARENALINUX MINT ENABLE RDPLINUX MINT RDP CLIENTLINUX RDP SERVER When it comes to performance issues on any operating systems ,then you need lot of patience to troubleshoot it before contacting the operating system vendors.Here we are going to see how to troubleshoot the Redhat Linux performance issues. The performance issue mainly raises due to system resource shortage. If the application is not properly configured according to the systemREDHAT LINUX
Redhat Linux’s Logical volume Manager has many attributes which are available for controlling the behavior LVM objects or to changing the default values of LVM. We may not use those attributes very often in typical production environment but knowing is not a bad thing. As a Unix/Linux admin,we should have capability to explain each and everyfield of
USING DATE AND TIMESTAMP VARIABLE IN ANSIBLE PLAYBOOK Yes. Timestamp gathered from facts. That’s why we are able to perform the file cleanup at the end of the play. If you need the realtime timestamp, you could run the date command using the shellmodule.
HOW TO ADD ISCSI STORAGE ARRAY TO OVM ? Oracle VM storage mechanisms uses oracle storage connect plug-ins. Oracle provides two type of generic plugins along with oracle VM software. One is Storage array plugin that used to connect block level storage and the second one is a filesystem plugin that is used to connect network filesystem based storage.These plugins will just help you to detect the storage LUNS .ANSIBLE TOWER / AWX
Ansible Job template is used to incorporate the playbook in the web interface. Before start creating the template, you must create the playbook and keep it ready in the project path.. We also need to create other objects like inventory, projects, and credentials to create a new job template. HOW TO USE DESKTOP GITHUB CLIENT GitHub is a web-based version control platform to manage the codes. GitHub continuously offers many tools to manage the codes effectively. Desktop GitHub Client is one of the tools which can be used to manage the code from your laptop/desktop effectively. ANSIBLE TOWER LICENSE EXPIRED? HOW TO RENEW IT? Note: If trail license expired: Ansible Tower instance is locked into read-only like state until a new valid license is provided. The instance is read-only immediately after the expiration; If Non-trial license expiry – the Ansible Tower instance is functioning in limited fashion after the active license has expired for an additional30 days.
LINUX - PERFORMANCE ISSUES TROUBLESHOOTING - UNIXARENA When it comes to performance issues on any operating systems ,then you need lot of patience to troubleshoot it before contacting the operating system vendors.Here we are going to see how to troubleshoot the Redhat Linux performance issues. The performance issue mainly raises due to system resource shortage. If the application is not properly configured according to the system SOLARIS PROCESSES MONITORING Solaris has number of tools to examine process details and those just reading the /proc directory. These tools are very useful in application troubleshooting and analyzing the system performance. This article is based on “Solaris™ Internals: Solaris 10 and OpenSolaris Kernel Architecture” book. I would strongly recommend this for all the Solaris administrators. Here we HOW TO ENABLE AZURE NATIVE BACKUP FOR LINUX & WINDOWS VM? How to enable Azure native backup for Linux and Windows instances in Azure? To enable the Azure native backup, you need to set up a recovery service vault.Recovery service vault is an online-storage entity in Azure that’s used to hold data, such as backup copies, recovery points, and LDOM - MEMORY / CPU REALLOCATION ON HARD PARTITIONING In LDOM , we can’t dynamically remove/add memory resource when the resources are physically bound. This will make hard-time for administrator and application owners where we need to bring down the guest domain every-time when you re-reconfigure memory resources. Normally Oracle Super-cluster servers are pre-configured with Hard Partitioning using the LDOM virtualization. In typical HOW TO UPGRADE/UPDATE REDHAT LINUX TO SPECIFIC VERSION 4. If the current OS version is RHEL 6.2 and the requirement is to update to 6.5 , please use the following command to update the system to specific release. If you don’t specify “releasever” parameter ,then system will be updated to latest major release. # yum --releasever=6.5 update. If you DOWNGRADING ANSIBLE ENGINE ON CENTOS 7/ RHEL 7 How to downgrade Ansible engine on RHEL 7 / CentOS 7 ?. If you install ansible engine from EPEL repository, it will install the latest ansible engine. I had a hard time with latest ansible engine due to incompatibility with specific tasks. For example, Openshift deploymentworks fine
HOW TO ADD ISCSI STORAGE TO VMWARE ESXI 5.5 ? Here we will see how to add the ISCSI storage to the Vmware ESXi 5.5 hosts using VSphere web-client.As you know ISCSI storage is very cheap and many companies are preferred to deploy ISCSI storage for low and mid range servers. ISCSI can’t match the performance with FC SAN but cost wise its very affordable. * Skip to primary navigation * Skip to main content * Skip to primary sidebarUNIXARENA
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AZURE TAG AUTOMATION USING AN INITIATIVE DEFINITION Azure tag automation using an Initiative definition. In Cloud, Tags are metadata values that contain keys and values to help users organize and bring governance to cloud resources. Tagging is essential because it helps to efficiently optimize costs across cloud providers by assigning useful information to any resource within your cloud infrastructure. It also helps AZURE – HOW TO ENABLE HYBRID BENEFIT FOR WINDOWS SERVERS? Azure – How to enable hybrid benefit for windows servers? Azure Hybrid Benefit for Windows Server allows you to use the on-premises Windows Server licenses (BYOL – Bring your license Model). Microsoft will reduce the instance prize based on your licensing choice. The default “licensing” type is PAYG (Pay as you go) for both Windows ANSIBLE – VALIDATE MULTIPLE CONDITIONS FOR A TASK How to add multiple conditions for an ansible task? Here are some of the examples which will help you to pick the right one according to your need. Ansible is an open-source market-leading configuration management tool. It’s a complete automation tool that can be used from On-premise to cloud platforms. In some cases, ansible is TOP 5 – AZURE COST SAVINGS TIPS How to reduce the cost in Azure Cloud? How many companies often complain about cloud spending is more than On-PERM operations? Even though why companies still prefer to move their operations to the cloud? With great power comes great responsibility. Many companies simply get onboarded in to cloud without proper governance and poorcost tracking
AZURE – WHAT IS PROXIMITY PLACEMENT GROUPS IN AZURE? REDUCE LATENCY? Would you like to reduce the latency between virtual machines? Have you heard of the proximity placement group? Microsoft Azure is growing rapidly so the datacenters in each region. A proximity placement group is a new resource introduced by Microsoft to make a logical grouping of Azure compute resources to ensure VM’s are physically located WHAT’S NEW IN ANSIBLE ? ANSIBLE – VALIDATE MULTIPLE CONDITIONS FOR A TASK How to add multiple conditions for an ansible task? Here are some of the examples which will help you to pick the right one according to your need. Ansible is an open-source market-leading configuration management tool. It’s a complete automation tool that can be used from On-premise to cloud platforms. In some cases, ansible is HOW TO UPDATE THE ANSIBLE TOWER INVENTORY USING API? Ansible Tower offers various REST API to integrate with other tools. I had come across the scenario where the playbook needs to update tower inventory after provisioning cloud instance. tower-cli is one of the methods to update/import inventory on ansible tower but at the time of writing this article, tower-cli is not supported by Red ANSIBLE TOWER LICENSE EXPIRED? HOW TO RENEW IT? Ansible tower requires a valid license to run any job. Red Hat License management is much easier if you directly manage from the Red Hat subscription portal. But in some cases, you might receive the license from Red Hat sales execute to renew/extended the licenses. This article will cover both scenarios to extend expired licenses. ANSIBLE – HOW TO PREPARE TEMPLATE USING VARIABLES ? JINJA2 Ansible is very flexible configuration management tool and offers wide range of options to perform certain tasks. I am very often use Jinja2 template option to complete the following tasks. Create configuration files using extra variables Create email templates based on playbook results. Prepare Terraform TF files. Template Config files: 1. Let’screate a new
AUTOMATION – ADD DNS A RECORD USING ANSIBLE PLAYBOOK DNS resource records added automatically when windows instances is registered on domain. For Linux instances, you have to add the records manually on DNS server. Let’s explorer that how to create A records in DNS using Ansible Playbook. This playbook can be integrated as part of server provisioning workflow to speed up the build process. WHAT’S NEW IN VMWARE ? VIRTUALIZATION & HYPERVISOR – BASIC INTERVIEW QUESTIONS Virtualization helps to decouple the Operating systems and applications from the hardware layer. Virtualization is the process of creating a virtual or software-based representation like a virtual server, application, network, storage resources. Hypervisor is one of the most popular virtualizations technology for servers and operating systems. This enables the IT organization to run more than RVTOOLS 3.11.9 – SIMPLE VMWARE VSPHERE REPORTING TOOL RVTools is one of the promising reporting tools for VMware vSphere since 2008. It’s a windows based tool which requires .NET 4.6.1 framework to pull the virtual environments information using VI SDK. It supports all the version of the vSphere environment. It can directly connect with vCenter or ESXi (If standalone) to get all the VMWARE VSPHERE – HOW TO IDENTIFY DISTRIBUTED SWITCH ID /PORTGROUPKEY ?
VMware vSphere Distributed Switch (VDS) provides a centralized interface to manage the virtual machine’s network for the entire datacenter. Unlike vSphere Standard Switch (VSS), Distributed Switch (VDS) shows the network as an aggregated resource. In VMware vSphere 6.7, VMware vCenter Server instance can support up to 128 VDS and each VDS can manage up to VMWARE VSPHERE – HOW TO BREAK VCSA 6.5/6.7 ROOT PASSWORD ? How to recover the lost vCenter Server Appliance(VCSA 6.5 & above) root password? The vCenter Server Appliance is a preconfigured Linux virtual machine. vSphere 6.7 U1 is the last release to include vCenter Server for Windows, which has been deprecated. vCenter Server Appliance is a very simple vCenter platform compares to the windows-based vC. Since vCenter server VMWARE VSPHERE 6.X – REMOVE NODE FROM VSAN CLUSTER How to safely evacuate the node from the vSAN cluster on VMware vSphere? VMware vSAN is one of the low-cost storage solutions for startups and mid-size companies. vSAN eliminates the need of Fibre channel networks. It aggregates the local disks and provides the storage over the network. This article will walk through how to removePRIMARY SIDEBAR
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