OPENSOURCE FOR ALL

Mayur Khaire I am a bachelor in computer science and a Linux Certified Engineer. I am a Linux enthusiast and a big fan of open source.I love to share ideas and knowledge around me and in other places around the

world.

RESOURCE MANAGEMENT IN CENTOS/RHEL7 USING CGROUPS To get full hierarchy of Cgroups Run bellow command. In the above output of the command user.slice hierarchy. It contains details of the user session. user-0.slice is the root user session hierarchy. Similarly, for uid 1001 user session hierarchy will display as user-1001.slice. I) To limit CPU resource for any user select user

session and use

OPENLDAP PROXY SERVER CONFIGURATION 2) Configuring LDAP Proxy: First, step is to delete all the configuration related files from slapd.d directory. Make sure that owner is ldap if it is root change it to ldap. Also, add entry of master server in hosts file and connectivity between master and proxy server. We have to create slapd.conf file to tell the proxy server

that its not the

PLUGGABLE AUTHENTICATION MODULE All PAM module generate a success or failure result when called. Control flags tell PAM what to do with result.The control flag determine how important the success or failure of a particular module is the overall goal of authenticating the user to the service. CUSTOMIZING LOGIN SCREEN IN RHEL7 1) Adding Customized logo in Login screen : dconf is the name of gdm database. Where /usr/share/pixmaps/ is the location where we store logo and poweredby.png is the name of the logo file. iii) Once done above setting update the dconf database. To verify logout from the session and try to login you will see at the bottom new customized

logo

OPENLDAP CLIENT CONFIGURATION RHEL/CENTOS 7 We will use sssd service for making this configuration work. For LDAP server Configuration check : Openldap Server Configuration RHEL/Centos7. 1) Package installation: ~]# yum install -y openldap-clients sssd nss-pam-ldapd. i) openldap-clients contains openldap client packages. ii) sssd is the System security services

daemon.

OPENLDAP SERVER CONFIGURATION RHEL/CENTOS 7 Introduction OpenLDAP is an open source implementation of Lightweight Directory Access Protocol. I am starting series of LDAP configuration in which will explain how to configure LDAP server, authenticate users

through LDAP.

SAN CONFIGURATION WITH OPENFILER AND CENTOS 7 1) Start your Virtual Box and Select New from upper left Corner of Virtual box. Follow the instructions as per bellow Screenshots. Click on Create and after that Go to settings of your Openfiler Virtual machine. As shown, in screen bellow go to Storage option in Opefiler

VM settings.

MONITORING TOOLS PART1: OPMANAGER Features of OpManager. 1) Network Management. 2) Monitor servers across various vendor os. 3) Network Traffic Analysis. 4) Managed configurations and track changes real time. 5) Manage switch and IP address space. 6) Tracks and resolves outages before they occurs. 7) Manage data center infrastructure. 8) Application Performance

Management.

INTEGRATING UBUNTU WITH WINDOWS ACTIVE DIRECTORY Go to Active directory users and computers ==> Computers ==> Right click on hostname and select properties as bellow screen: You can see now our Ubuntu machine is in Active directory domain. After reboot, login into Ubuntu machine as shown belllow: In organizations it is very important to manage all machines centrally.

OPENSOURCE FOR ALL

Mayur Khaire I am a bachelor in computer science and a Linux Certified Engineer. I am a Linux enthusiast and a big fan of open source.I love to share ideas and knowledge around me and in other places around the

world.

RESOURCE MANAGEMENT IN CENTOS/RHEL7 USING CGROUPS To get full hierarchy of Cgroups Run bellow command. In the above output of the command user.slice hierarchy. It contains details of the user session. user-0.slice is the root user session hierarchy. Similarly, for uid 1001 user session hierarchy will display as user-1001.slice. I) To limit CPU resource for any user select user

session and use

OPENLDAP PROXY SERVER CONFIGURATION 2) Configuring LDAP Proxy: First, step is to delete all the configuration related files from slapd.d directory. Make sure that owner is ldap if it is root change it to ldap. Also, add entry of master server in hosts file and connectivity between master and proxy server. We have to create slapd.conf file to tell the proxy server

that its not the

PLUGGABLE AUTHENTICATION MODULE All PAM module generate a success or failure result when called. Control flags tell PAM what to do with result.The control flag determine how important the success or failure of a particular module is the overall goal of authenticating the user to the service. CUSTOMIZING LOGIN SCREEN IN RHEL7 1) Adding Customized logo in Login screen : dconf is the name of gdm database. Where /usr/share/pixmaps/ is the location where we store logo and poweredby.png is the name of the logo file. iii) Once done above setting update the dconf database. To verify logout from the session and try to login you will see at the bottom new customized

logo

OPENLDAP CLIENT CONFIGURATION RHEL/CENTOS 7 We will use sssd service for making this configuration work. For LDAP server Configuration check : Openldap Server Configuration RHEL/Centos7. 1) Package installation: ~]# yum install -y openldap-clients sssd nss-pam-ldapd. i) openldap-clients contains openldap client packages. ii) sssd is the System security services

daemon.

OPENLDAP SERVER CONFIGURATION RHEL/CENTOS 7 Introduction OpenLDAP is an open source implementation of Lightweight Directory Access Protocol. I am starting series of LDAP configuration in which will explain how to configure LDAP server, authenticate users

through LDAP.

SAN CONFIGURATION WITH OPENFILER AND CENTOS 7 1) Start your Virtual Box and Select New from upper left Corner of Virtual box. Follow the instructions as per bellow Screenshots. Click on Create and after that Go to settings of your Openfiler Virtual machine. As shown, in screen bellow go to Storage option in Opefiler

VM settings.

MONITORING TOOLS PART1: OPMANAGER Features of OpManager. 1) Network Management. 2) Monitor servers across various vendor os. 3) Network Traffic Analysis. 4) Managed configurations and track changes real time. 5) Manage switch and IP address space. 6) Tracks and resolves outages before they occurs. 7) Manage data center infrastructure. 8) Application Performance

Management.

INTEGRATING UBUNTU WITH WINDOWS ACTIVE DIRECTORY Go to Active directory users and computers ==> Computers ==> Right click on hostname and select properties as bellow screen: You can see now our Ubuntu machine is in Active directory domain. After reboot, login into Ubuntu machine as shown belllow: In organizations it is very important to manage all machines centrally.

MYSQL CONFIGURATION

After running above command you will get prompt for some details as shown in bellow screen: INTEGRATING UBUNTU WITH WINDOWS ACTIVE DIRECTORY Go to Active directory users and computers ==> Computers ==> Right click on hostname and select properties as bellow screen: You can see now our Ubuntu machine is in Active directory domain. After reboot, login into Ubuntu machine as shown belllow: In organizations it is very important to manage all machines centrally.

MYSQL CHEATSHEET

i) In mysql database user table is the table which controls the login of the user. To check current available users. MONITORING TOOLS PART1: OPMANAGER Features of OpManager. 1) Network Management. 2) Monitor servers across various vendor os. 3) Network Traffic Analysis. 4) Managed configurations and track changes real time. 5) Manage switch and IP address space. 6) Tracks and resolves outages before they occurs. 7) Manage data center infrastructure. 8) Application Performance

Management.

PATCHING LINUX SERVERS A patch is a piece of software that designed to update computer program or its supported data. There are several different ways with the help of which malicious can compromise your network and gain access to your systems.It all tend to take advantages of unpatched vulnerabilities into your operating systems, applications to do their

damage.

PLUGGABLE AUTHENTICATION MODULE All PAM module generate a success or failure result when called. Control flags tell PAM what to do with result.The control flag determine how important the success or failure of a particular module is the overall goal of authenticating the user to the service. DNS SERVER CONFIGURATION In this tutorial we will configure DNS server on RHEL7. Bind package is use for DNS server installation. In this tutorial will show you how to configure simple DNS server as well as Master-slave DNS server

configuration.

OVERVIEW OF SYSTEMD

Overview of Systemd. Systemd is a system and service manager for Linux operating systems. It provides a number of features such as parallel startup of system services at boot time, on-demand activation of daemons, support for system state snapshots, or dependency-based service control logic. Systemd introduces the concept of systemd

units.

OPENSOURCE FOR ALL

Mayur Khaire I am a bachelor in computer science and a Linux Certified Engineer. I am a Linux enthusiast and a big fan of open source.I love to share ideas and knowledge around me and in other places around the

world.

HARDENING NGINX WEBSERVER. Nginx is a high performance web server application. It is much more flexible and lightweight program than Apache web server.Due to its performance and load balancing capabilities many of heavy traffic websites like Wordpress are now using Nginx web server.

OPENSOURCE FOR ALL

Mayur Khaire I am a bachelor in computer science and a Linux Certified Engineer. I am a Linux enthusiast and a big fan of open source.I love to share ideas and knowledge around me and in other places around the

world.

INSTALLING WINDOWS APPS IN LINUX USING PLAYONLINUX Now we can use most of the Windows Apps in Linux distros. Most of us knows by using wine we can install windows apps in Linux distros. DNS SERVER CONFIGURATION In this tutorial we will configure DNS server on RHEL7. Bind package is use for DNS server installation. In this tutorial will show you how to configure simple DNS server as well as Master-slave DNS server

configuration.

RESOURCE MANAGEMENT IN CENTOS/RHEL7 USING CGROUPS Resource management is the efficient and effective deployment and allocation of system resources when and where they are needed. PLUGGABLE AUTHENTICATION MODULE All PAM module generate a success or failure result when called. Control flags tell PAM what to do with result.The control flag determine how important the success or failure of a particular module is the overall goal of authenticating the user to the service. INTEGRATING UBUNTU WITH WINDOWS ACTIVE DIRECTORY In Organizations there may be situations where some user are using Windows systems and some are using Linux systems in such scenarios most of the times to centrally managed all users accounts and data Windows Active directory directory services are use. SAN CONFIGURATION WITH OPENFILER AND CENTOS 7 In this tutorial, I will demonstrate here how to configure Storage Area Network using Openfiler Linux based OS. We will start from how to install Openfiler , configure iSCSI SAN Target and attached iSCSI SAN

target in Centos 7.

OPENLDAP PROXY SERVER CONFIGURATION Introduction In this article, we are going to configure LDAP proxy server. As proxy server it will not contain its own database but

retrieve data from

CUSTOMIZING LOGIN SCREEN IN RHEL7 In Gnome Login screen there are several elements that can be customized. Once system admin had made this changes this will get apply to all the users in the organization. DEEP DIVE INTO ISCSI iSCSI stands for Internet small computer system interface. It is a storage area network protocol used to send block storage from storage arrays or devices to client computer that directly connected to those

devices..

OPENSOURCE FOR ALL

Mayur Khaire I am a bachelor in computer science and a Linux Certified Engineer. I am a Linux enthusiast and a big fan of open source.I love to share ideas and knowledge around me and in other places around the

world.

INSTALLING WINDOWS APPS IN LINUX USING PLAYONLINUX Now we can use most of the Windows Apps in Linux distros. Most of us knows by using wine we can install windows apps in Linux distros. DNS SERVER CONFIGURATION In this tutorial we will configure DNS server on RHEL7. Bind package is use for DNS server installation. In this tutorial will show you how to configure simple DNS server as well as Master-slave DNS server

configuration.

RESOURCE MANAGEMENT IN CENTOS/RHEL7 USING CGROUPS Resource management is the efficient and effective deployment and allocation of system resources when and where they are needed. PLUGGABLE AUTHENTICATION MODULE All PAM module generate a success or failure result when called. Control flags tell PAM what to do with result.The control flag determine how important the success or failure of a particular module is the overall goal of authenticating the user to the service. INTEGRATING UBUNTU WITH WINDOWS ACTIVE DIRECTORY In Organizations there may be situations where some user are using Windows systems and some are using Linux systems in such scenarios most of the times to centrally managed all users accounts and data Windows Active directory directory services are use. SAN CONFIGURATION WITH OPENFILER AND CENTOS 7 In this tutorial, I will demonstrate here how to configure Storage Area Network using Openfiler Linux based OS. We will start from how to install Openfiler , configure iSCSI SAN Target and attached iSCSI SAN

target in Centos 7.

OPENLDAP PROXY SERVER CONFIGURATION Introduction In this article, we are going to configure LDAP proxy server. As proxy server it will not contain its own database but

retrieve data from

CUSTOMIZING LOGIN SCREEN IN RHEL7 In Gnome Login screen there are several elements that can be customized. Once system admin had made this changes this will get apply to all the users in the organization. DEEP DIVE INTO ISCSI iSCSI stands for Internet small computer system interface. It is a storage area network protocol used to send block storage from storage arrays or devices to client computer that directly connected to those

devices..

MYSQL CHEATSHEET

i) In mysql database user table is the table which controls the login of the user. To check current available users. INTEGRATING UBUNTU WITH WINDOWS ACTIVE DIRECTORY If you're trying to lose weight then you absolutely need to get on this brand new custom keto meal plan diet. To create this keto diet, certified nutritionists, fitness couches, and professional cooks have united to provide keto meal plans that are powerful, suitable, economically-efficient, and delicious. PATCHING LINUX SERVERS A patch is a piece of software that designed to update computer program or its supported data. There are several different ways with the help of which malicious can compromise your network and gain access to your systems.It all tend to take advantages of unpatched vulnerabilities into your operating systems, applications to do their

damage.

OVERVIEW OF SYSTEMD

Systemd is a system and service manager for Linux operating systems. It provides a number of features such as parallel startup of system services at boot time, on-demand activation of daemons, support for system state snapshots, or dependency-based service control logic. Systemd introduces the concept of systemd units.These units are represented by unit configuration files.

OPENSOURCE FOR ALL

Mayur Khaire I am a bachelor in computer science and a Linux Certified Engineer. I am a Linux enthusiast and a big fan of open source.I love to share ideas and knowledge around me and in other places around the

world.

MYSQL CLUSTER SETUP ON UBUNTU 16.04 LTS MySQL cluster provides High availability and throughput. Unlike, other High availability environment MySQL cluster works similar to them. It is recommended to have two management node,two SQL node, two Data node for setting up MySQL cluster. SAN CONFIGURATION WITH OPENFILER AND CENTOS 7 : PART2 Introduction In this tutorial We will configure iSCSI on Centos7 to connect to SAN storage on Target server. You can check my previous article on SAN Configuration with Openfiler and Centos 7.You need machine running Centos 7 for this tutorial. FINE TUNING DNS SERVER Introduction In this article, we are going to configure LDAP proxy server. As proxy server it will not contain its own database but

retrieve data from

RESETTING ROOT PASSWORD IN CENTOS 7 Resetting root password in earlier versions of Centos / RHEL is bit simple by going into single user mode. But is Centos 7 there is no

single user mode.

CONFIGURING PHPLDAPADMIN FOR MANAGING LDAP SERVER There are two main configuration files of phpldap admin. First we are going to make changes in phpldapadmin.conf to allow over network for accessing LDAP server through phpldapadmin. Skip to main content

OPENSOURCE FOR ALL

Search

SEARCH THIS BLOG

Subscribe

SUBSCRIBE TO THIS BLOG

FOLLOW BY EMAIL

POSTS

Integrating Ubuntu with Windows Active Directory

February 03, 2017

1

* Get link

* Facebook

* Twitter

* Pinterest

* Email

* Other Apps

Mysql Cluster Setup on Ubuntu 16.04 LTS

January 31, 2017

MySQL clustering setup

RHEL clustering

+

Ubuntu tutorial

MySQL clustering setup

RHEL clustering

Ubuntu tutorial

0

* Get link

* Facebook

* Twitter

* Pinterest

* Email

* Other Apps

OpenLDAP with Kerberos authentication and NFS in RHEL/CENTOS7

January 10, 2017

1

* Get link

* Facebook

* Twitter

* Pinterest

* Email

* Other Apps

OpenLDAP Proxy Server Configuration

January 10, 2017

0

* Get link

* Facebook

* Twitter

* Pinterest

* Email

* Other Apps

Configuring phpldapadmin for managing LDAP server

January 09, 2017

0

* Get link

* Facebook

* Twitter

* Pinterest

* Email

* Other Apps

OpenLDAP Client Configuration RHEL/Centos 7

January 09, 2017

0

* Get link

* Facebook

* Twitter

* Pinterest

* Email

* Other Apps

OpenLDAP Server Configuration RHEL/Centos 7

January 09, 2017

0

* Get link

* Facebook

* Twitter

* Pinterest

* Email

* Other Apps

More posts

LABELS

* MySQL clustering setup

* RHEL clustering

* Ubuntu tutorial

ARCHIVE

*

2017 7

*

February 1

* Integrating Ubuntu with Windows Active Directory

*

January 6

*

2016 22

*

December 4

*

November 3

*

October 5

*

September 5

*

August 5

Show more Show less

* Mayur Khaire

I am a bachelor

in computer science and a Linux Certified Engineer. I am a Linux enthusiast and a big fan of open source.I love to share ideas and knowledge around me and in other places around the world.

Visit profile

REPORT ABUSE

Powered by Blogger