LATEST TECHNICAL ARTICLES & VIDEOS. 4.2 Understanding Core Kubernetes Objects (4min), 4.3 Using Options to Explore the API in Kubernetes (7min), 4.4 Using kubectl to Manage API Objects (7min), 4.5 Using YAML Files to Define API Objects (10min), 4.6 Using curl to Work with API Objects (7min), 4.7 Using Other Commands in Kubernetes (4min), RHCSA & RHCE EXAM OBJECTIVES FINALLY RELEASED FOR RHEL 7 Today, the RHCSA & RHCE exam objectives for RHEL 7 are finally available.. Concerning the RHCSA exam objectives, there are very limited changes.Details are available in the RHEL7 RHCSA What’s new? section.. Concerning the RHCE exam objectives, changes are more significant.The exam now lasts 4 hours and numerous objectives have been added (and almost none removed). LATEST TECHNICAL ARTICLES & VIDEOS. 4.2 Understanding Core Kubernetes Objects (4min), 4.3 Using Options to Explore the API in Kubernetes (7min), 4.4 Using kubectl to Manage API Objects (7min), 4.5 Using YAML Files to Define API Objects (10min), 4.6 Using curl to Work with API Objects (7min), 4.7 Using Other Commands in Kubernetes (4min), RHCSA & RHCE EXAM OBJECTIVES FINALLY RELEASED FOR RHEL 7 Today, the RHCSA & RHCE exam objectives for RHEL 7 are finally available.. Concerning the RHCSA exam objectives, there are very limited changes.Details are available in the RHEL7 RHCSA What’s new? section.. Concerning the RHCE exam objectives, changes are more significant.The exam now lasts 4 hours and numerous objectives have been added (and almost none removed). LATEST TECHNICAL ARTICLES & VIDEOS. 4.2 Understanding Core Kubernetes Objects (4min), 4.3 Using Options to Explore the API in Kubernetes (7min), 4.4 Using kubectl to Manage API Objects (7min), 4.5 Using YAML Files to Define API Objects (10min), 4.6 Using curl to Work with API Objects (7min), 4.7 Using Other Commands in Kubernetes (4min), RHCSA & RHCE EXAM OBJECTIVES FINALLY RELEASED FOR RHEL 7 Today, the RHCSA & RHCE exam objectives for RHEL 7 are finally available.. Concerning the RHCSA exam objectives, there are very limited changes.Details are available in the RHEL7 RHCSA What’s new? section.. Concerning the RHCE exam objectives, changes are more significant.The exam now lasts 4 hours and numerous objectives have been added (and almost none removed). LATEST TECHNICAL ARTICLES & VIDEOS. 4.2 Understanding Core Kubernetes Objects (4min), 4.3 Using Options to Explore the API in Kubernetes (7min), 4.4 Using kubectl to Manage API Objects (7min), 4.5 Using YAML Files to Define API Objects (10min), 4.6 Using curl to Work with API Objects (7min), 4.7 Using Other Commands in Kubernetes (4min), RHCSA & RHCE EXAM OBJECTIVES FINALLY RELEASED FOR RHEL 7 Today, the RHCSA & RHCE exam objectives for RHEL 7 are finally available.. Concerning the RHCSA exam objectives, there are very limited changes.Details are available in the RHEL7 RHCSA What’s new? section.. Concerning the RHCE exam objectives, changes are more significant.The exam now lasts 4 hours and numerous objectives have been added (and almost none removed). LATEST TECHNICAL ARTICLES & VIDEOS. 4.2 Understanding Core Kubernetes Objects (4min), 4.3 Using Options to Explore the API in Kubernetes (7min), 4.4 Using kubectl to Manage API Objects (7min), 4.5 Using YAML Files to Define API Objects (10min), 4.6 Using curl to Work with API Objects (7min), 4.7 Using Other Commands in Kubernetes (4min), RHCSA & RHCE EXAM OBJECTIVES FINALLY RELEASED FOR RHEL 7 Today, the RHCSA & RHCE exam objectives for RHEL 7 are finally available.. Concerning the RHCSA exam objectives, there are very limited changes.Details are available in the RHEL7 RHCSA What’s new? section.. Concerning the RHCE exam objectives, changes are more significant.The exam now lasts 4 hours and numerous objectives have been added (and almost none removed). LATEST TECHNICAL ARTICLES & VIDEOS. 4.2 Understanding Core Kubernetes Objects (4min), 4.3 Using Options to Explore the API in Kubernetes (7min), 4.4 Using kubectl to Manage API Objects (7min), 4.5 Using YAML Files to Define API Objects (10min), 4.6 Using curl to Work with API Objects (7min), 4.7 Using Other Commands in Kubernetes (4min), RHCSA & RHCE EXAM OBJECTIVES FINALLY RELEASED FOR RHEL 7 Today, the RHCSA & RHCE exam objectives for RHEL 7 are finally available.. Concerning the RHCSA exam objectives, there are very limited changes.Details are available in the RHEL7 RHCSA What’s new? section.. Concerning the RHCE exam objectives, changes are more significant.The exam now lasts 4 hours and numerous objectives have been added (and almost none removed). ↓ Skip to Main Content CertDepot Everything you need to pass your RHCSA, RHCE, LFCS, LFCE and much more.

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* OpenShift Free available resources * OpenShift Available online trainings * OpenShift Articles * OpenShift Book review * OpenShift Certification overview LATEST TECHNICAL ARTICLES & VIDEOS. Posted on November 20, 2020

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CertDepot

KUBERNETES:

* Stateful Applications in Kubernetes

,

* Kubectl-reap: a plugin that deletes unused Kubernetes resources

,

* Testing the Operator SDK and making a prefetch mechanism for

Kubernetes

,

* Spring Boot Autoscaling on Kubernetes

,

* You (probably) need liveness and readiness probes

,

* ConfigMaps in Kubernetes: how they work and what you should

remember

,

* What’s New and What’s Changed in the Ansible Content Collection

for Kubernetes

,

* How to run Keycloak in HA on Kubernetes

,

* Replace AWS VPC-CNI with Calico on AWS EKS cluster

,

* A 5 Minute Guide for Experimenting with Ambassador Easily in a

Kubernetes Sandbox

,

* Kubetools – Curated List of Kubernetes Tools

,

* Illuminatio – The kubernetes network policy validator

,

* Securing your OpenTelemetry Collector

,

* KubeVirt v0.35.0 released

,

* Multiple Network Attachments with bridge CNI

,

* Adding Tracing with Jaeger to a TypeScript Express application

,

* A Guide to Deploying Jaeger on Kubernetes in Production

,

* Create Reproducible Security in Kubernetes with Helm 3 and Helm

Charts ,

* Event-driven serverless applications with Camel K

,

* Introducing the Ansible Content Collection for Red Hat OpenShift

,

* Using Multus and DataVolume in KubeVirt

,

* Kubernetes For Everyone

,

* Kubectl: Developer tips for the Kubernetes command line

,

OPENSHIFT:

* The Ultimate Guide to OpenShift Release and Upgrade Process for Cluster Administrators

,

* How to Install OpenShift 4.6 using Terraform on VMware with UPI

,

* Red Hat OpenShift: Hosted and Managed Services (26min)

,

* Managing the Open Hybrid Cloud with Red Hat Advanced Cluster Management (27min) , * Red Hat OpenShift and Kubernetes… what’s the difference? * OpenShift Container Platform and the Essential Eight

,

* Exploring OpenShift Source-to-Image using Git webhooks

,

* Building an OKD 4.5 homelab on Proxmox

,

* Demonstrating Performance Capabilities of Red Hat OpenShift for Running Scientific HPC Workloads

,

* A Complete Guide for Running Specfem Scientific HPC Workload on Red

Hat OpenShift

,

* AI/ML Industrial Edge Solution Blueprint v1.0

,

* Tutorial: Create an Azure Red Hat OpenShift 4 cluster

,

* Running F5 with managed Azure RedHat OpenShift

,

* OpenShift Networking and Cluster Access Best Practices

,

* What’s Inside OpenShift 4

,

* Guide to OpenShift Pipelines Part 6 – Triggering Pipeline Execution From GitHub

,

* Devfiles and Kubernetes cluster support in OpenShift Connector 0.2.0 extension for VS Code

,

* The future of OpenShift Administration (59min)

/ slides

,

* Introducing Red Hat OpenShift Service on AWS

,

* Introducing using OpenShift Serverless for event-driven

applications

,

* Introducing Quarkus on Red Hat OpenShift

,

* OpenShift Architectures for the Edge With OpenShift 4.6

,

* Red Hat OpenShift 4.6, the Kubernetes Platform for Government

,

* What’s New in OpenShift Virtualization in OpenShift 4.6

,

* OpenShift Runtime Security Best Practices

,

* Red Hat broadens the scope for cloud-native, Kubernetes management with greater observability and automation

,

* How to specify your vSphere virtual machine resources when deploying Red Hat OpenShift

,

* Red Hat CoreOS install via Live ISO –copy-network

,

* Deploy OpenShift Virtualization 2.5 on OCP 4.6.1 on baremetal IPI

,

* How to Modernize Virtualized Workloads

,

* OpenShift 4.6: Get Started with Quick Starts

,

* Boosting CI/CD Effectiveness with Red Hat and Coralogix

,

* Cluster Updates Get an Update in OpenShift 4.6

,

* New developer onboarding features in Red Hat OpenShift 4.6

,

CONTAINERS:

* Buildah version 1.17.0 Release Announcement

,

* The history of an API: GitLab Runner and Podman

,

* Podman Auto-Update in RHEL 8.3 (4min)

,

* Docker and Kubernetes – root vs. privileged

,

* Privileged Docker containers – do you really need them? * Podman with capabilities on Fedora

,

* Transitioning from Docker to Podman

,

* Container images, multi-architecture, manifests, ids, digests –

what’s behind?

STORAGE:

* Rook v1.5: Storage Enhancements and Ceph Features

,

SERVICE MESH:

* Announcing Linkerd 2.9: mTLS for all, ARM support, and more! * Federated Trust Across OpenShift Service Mesh domains

,

* CNCF Releases Free Training Course Covering Basics of Service Mesh

with Linkerd

,

* Introducing OpenShift Support for HashiCorp Consul on Kubernetes

,

* Custom Resource Definitions for HashiCorp Consul on Kubernetes

,

* Performance Impacts of an Istio Service Mesh

,

* An introduction to the four essential telemetry data types

,

* A Quick Introduction to Distributed Tracing

,

* Optimizing retail sales using OpenShift

,

RHEL:

* Configuring Secure LDAPS on CentOS 8 with 389-DS (29min)

,

* Join a CentOS 7 VM to Active Directory (14min)

/ instructions

,

* How to set up Wireguard VPN on CentOS 8

,

* How To Back Up, Restore, and Migrate a MongoDB Database on CentOS 8

,

* Release for CentOS Linux 7 (2009) aka 7.9 on the x86_64

Architecture

,

* How to read and correct SELinux denial messages

,

* An update on our Gitforge

,

* A guide to security technologies in Red Hat Enterprise Linux

,

CERTIFICATIONS:

* A Guide to Terraform Certification

,

* Announcing our new Professional Machine Learning Engineer

certification

,

* StackRox Certified Kubernetes Security (CKS) Specialist Study Guide

,

MISCELLANEOUS:

* Getting started with Stratis encryption

,

* OpenID Connect integration with Red Hat 3scale API Management and

Okta

,

* DNF for APT users , * The state of Ansible’s upstream documentation

,

* Using Fedora 33 with Microsoft’s WSL2

,

* vscode-xml 1.14.0: A more customizable XML extension for VS Code

,

* Leading the future of Java with the Red Hat build of Quarkus 1.7

,

* Linux for beginners: 10 more commands for manipulating files

,

* Enhancing internet and cloud security with Red Hat’s contribution the Guide to IPsec VPNs

,

* Announcing HashiCorp Vault 1.6

,

* How to create an Ansible Playbook

,

* ACME Service Discovery

,

* Jakarta EE: Multitenancy with JPA on WildFly, Part 2

,

* How I built a serverless blog search with Java, Quarkus, and AWS

Lambda

,

* Password Hashing Tutorial and One Way Encryption (7min)

,

* RDO (Red Hat Distribution of OpenStack) Victoria Released

,

* Fairness in multi-tenant systems

,

* Using an Ansible playbook to manage workstation and server updates

,

* How to use the Linux mtr command

,

* Three cloud migration concerns and how to mitigate them

,

* You call that DevSecOps? Why your DevSecOps practice may be falling

short

,

* Announcing the Cloud Native Security White Paper

,

* How to interpret captured Wireshark information

,

* How to handle a Linux kernel panic

,

* How to use Ansible to configure Vim

,

Posted in Others

RECENT TECHNICAL ARTICLES & VIDEOS. Posted on November 8, 2020

-

CertDepot

KUBERNETES:

* Kopf: a Python framework to write Kubernetes operators

,

* ACK: AWS Controllers for Kubernetes

,

* Multi Cluster Network connectivity Submariner (33min)

,

* Going beyond StatefulSets with Kubernetes Operators

,

* Kubernetes Resources and Autoscaling – From Basics to Greatness

,

* How to setup Hetzner load balancer on a Kubernetes cluster

,

* Secure your Kubernetes secrets with smart cards and libssh

,

* Kubernetes 1.19: The future of traffic ingress and routing

,

* A Guide to Deploying Jaeger on Kubernetes in Production

,

* Kubernetes Controllers Basics

,

* Helm Project Update: New Location For Stable and Incubator Charts

,

* Kubernetes clients and dashboards: a comparison

,

* Kubei: a flexible Kubernetes runtime scanner, scanning images of worker and Kubernetes nodes , * CRD is just a table in Kubernetes

,

* Automating Helm using Ansible

,

* What resources or tools are available for Kubernetes Security

Beginner?

* How to create custom Helm charts

,

* How to modify etcd data of your Kubernetes directly (without K8s

API)

,

* Argo CD and Tekton: Match made in Kubernetes heaven

,

* KubeLinter: open source YAML linter / HELM linter for K8s

,

* Creating a Low Cost Managed Kubernetes Cluster for Personal Development using Terraform

,

* Kubebuilder book , * From Zero to Kubernetes Operator

,

* Security policies library used for securing Kubernetes clusters

configurations

,

OPENSHIFT:

* TrilioVault: Cloud Native Data Protection for Kubernetes (58min)

,

* Announcing the Community Windows Machine Config Operator on

OpenShift 4.6

,

* Customize Your View of the Data on a Resource Page in OpenShift 4.6

,

* Running HPC workloads with Red Hat OpenShift Using MPI and Lustre

Filesystem

,

* Making Connections: Showing Resource Relationships in OpenShift 4.6

,

* Using Microsoft SQL Server on Red Hat OpenShift

,

* Using the Crossplane Operator to manage and provision Cloud

Native Services

,

* New custom metrics and air gapped installation in Red Hat 3scale

API Management 2.9

,

* What’s new in Fabric8 Kubernetes Java client 4.12.0

,

* Show Me the Way: The Operator Installation Screen in OpenShift 4.6

,

* API Management & Security Series – 3Scale – Part 1 – Overview

,

* API Management & Security Series – 3Scale – Part 2 –

Installation

,

* API Management & Security Series – 3Scale – Part 3 – Multitenant installation for large deployments

,

* API Management & Security Series: 3Scale + OIDC using RH-SSO + Demo

,

* Openshift Platform Permissions Best Practice – RBAC

,

* How to install NVIDIA GPU Operator in OpenShift 4

,

* Take a Dip into Windows Containers with OpenShift 4.6

,

* Geographically Distributed Stateful Workloads Part One: Cluster

Preparation

,

* Geographically Distributed Stateful Workloads Part Two: CockroachDB

,

* Using WireGuard to Extend OpenShift Networks

,

* OpenShift security best practices part 1 of 5: cluster design

,

* FreeIPA, OpenShift and user namespaces

,

* Red Hat OpenShift on VMware vSphere – How to Scale and Edit your

cluster deployments

,

STORAGE:

* How the NVMe-oF Protocol Redefines Kubernetes Storage

,

* Using TRIM and DISCARD with SSDs attached to RAID controllers

,

* Deploy OCS 4.5 on OCP 4.6.1 on baremetal IPI

,

CONTAINERS:

* Adapting Docker and Kubernetes containers to run on Red Hat OpenShift Container Platform

,

* containers – The GNOME Shell Extension to manage podman

containers

,

* Mitigate impact of Docker Hub Pull Request Limits

,

* Extending the runtime functionality

,

* 12 Container image scanning best practices to adopt in production

,

* A Spotlight on Podman , * A sysadmin’s guide to containerizing applications

,

* How to move WordPress into a Linux container

,

* How to move MediaWiki into a Linux container

,

* How to move Request Tracker into a Linux container

,

* Seccomp for Fun and Profit

,

* Windows Server Containers Are Open, and Here’s How You Can Break

Out

,

SERVICE MESH:

* OpenShift Service Mesh essentials – Part III – Data Plane

,

* OpenShift Service Mesh essentials – Part IV – Features: Routing

,

* Increasing observability on Istio: The new Kiali health

configuration

,

* Extending the OpenTelemetry Collector with your own components

,

* Kiali+Jaeger Sprint 47 (11min)

,

* Service Mesh 101 – Istio/RH OCP Service mesh – Overview

,

* Why Red Hat Openshift Service Mesh – part 1? * How to run Service Mesh on Openshift, the enterprise kubernetes –

part 2

,

* Going down the Service Mesh rabbit hole – Why do you think you need it, and architecture considerations

,

* Introducing OpenShift Service Mesh 2.0

,

* What Can You Do With OpenShift Service Mesh 2? * Ten Tips for Running Istio in Production

,

RHEL:

* CentOS CPE Weekly: 2020-10-17

,

* CentOS CPE Weekly: 2020-10-25

,

* Getting started with systemctl

,

* Red Hat Pairs Innovation with Stability in Latest Version of Red Hat Enterprise Linux 8

,

* Red Hat Software Collections 3.6 and Red Hat Developer Toolset 10

Beta now available

,

* What’s new in Red Hat Enterprise Linux 8.3? * Red Hat Insights dashboard provides automatic discovery, health and security assessment for SAP HANA on Red Hat Enterprise Linux

,

* How to Install PrestaShop on CentOS 8

,

* How to Install YOURLS self-hosted URL shortener on CentOS 8

,

* Using Ansible to deploy Microsoft SQL Server 2019 on Red Hat Enterprise Linux 8 , * CentOS Community Newsletter, November 2020 (#2011)

,

* How to install and configure Fail2Ban on CentOS 8 and Fedora 33

,

* How to Install Cacti Monitoring Server on CentOS 8

,

* How to Manage Containers Using Podman and Skopeo in RHEL 8

,

* Red Hat Software Collections 3.6 now available in beta

,

* USBGuard improvements in Red Hat Enterprise Linux 8.3: Protecting against rogue USB devices

,

* Red Hat Enterprise Linux 8.3 supports faster service and workload

delivery

,

MISCELLANEOUS:

* Fedora 33 is officially here! * Using connection delegation with mitogen for Ansible

,

* Where to learn DevOps?

* Waypoint ,

* Bash Redirection Fun With Descriptors

,

* What’s new in Fedora 33 Workstation

,

* YAML for beginners

,

* New fwupd 1.5.0 release

,

* Linux command basics: printf

,

* Red Hat Satellite 6.8 is now available with upgrade improvements

and IPv6 support

,

* Understanding YAML for Ansible

,

* Collect JDK Flight Recorder events at runtime with JMC Agent

,

* Creating a Linux-Windows hybrid system with Cygwin

,

* Eight ways to protect SSH access on your system

,

* Open Liberty 20.0.0.11 brings Kerberos authentication and Thanos support in Grafana dashboards

,

* Tricks and treats for sysadmins and ops

,

* How to rebase to Fedora 33 on Silverblue

,

* Masterclass in openSSL (56min)

,

* 4 cool new projects to try in COPR from October 2020

,

* New features in Red Hat CodeReady Studio 12.17 GA and JBoss Tools 4.17.0 Final for Eclipse 2020-09

,

* Control your content with private Automation Hub

,

* 6 architectural diagramming tools for cloud infrastructure

,

* 6 must-read books for aspiring Cloud Architects

,

* An Architect’s guide to APIs: REST, GraphQL, and gRPC

,

* What companies are seeking in a Cloud Architect: Five trends

,

* RHSSO IDP with IDM for Kerberos authentication flow

,

* Designing Restful APIs using an API-First Approach – Mocking

,

* How to send Linux application logs to AWS CloudWatch

,

* Reclaim hard-drive space with LVM

,

* Linux for beginners: 10 commands to get you started at the terminal

,

* Creating a multi-boot Linux desktop system

,

* Capture IBM Db2 data changes with Debezium Db2 connector

,

* A primer on DevOps pipeline: Continuous Integration & Continuous

Delivery (CI/CD) ,

* WildFly server configuration with Ansible collection for JCliff,

Part 1

.

Posted in Others

LATEST TECHNICAL ARTICLES & VIDEOS. Posted on October 27, 2020

-

CertDepot

KUBERNETES:

* Build and deploy Kubernetes apps with Skaffold

,

* Discovering Running Pods By Using DNS and Headless Services in

Kubernetes

,

* Writing a Kubernetes CLI in Go

,

* Ready-to-use commands and tips for kubectl

,

* How to track costs in multi-tenant Amazon EKS clusters using

Kubecost

,

* The best resources to learn about Kubernetes

,

* Kubeload: a K8S operator for IAC-oriented load tests

,

* Helm: reusable chart – named templates, and a generic chart for multiple applications

,

* Gitlab CI/CD on Kubernetes

,

* Awesome Kubernetes Resources

,

* Kube-vip: a tool to load-balance the control plane and the Kubernetes services , * Kubernetes basics for sysadmins

,

* ArgoCD: Setup external clusters by name

,

* kubectl-fuzzy: a tool to do partial or fuzzy search of Kubernetes

resources ,

OPENSHIFT:

* Red Hat OpenShift 4.6 Is Now Available

,

* OpenShift Container Platform 4.6 release notes

,

* Seven Standards Every OpenShift Customer Should Have on Day 1

,

* OpenShift: add project route in web console using yaml example

,

* Deploy OpenShift to Existing VPC on AWS

,

* Using a Red Hat Advanced Cluster Management library-go reusable

helper method

,

* Improved UX Scales: OpenShift Update Service With Advanced Cluster

Management

,

* Building my lab: OKD 4.4 on oVirt 4.3 (38min)

,

* Get started with Node.js 14 on Red Hat OpenShift

,

* Building a Golang Based Operator is Easy! * Monitoring Applications in OpenShift using Prometheus

,

* How to Manage Multiple OpenShift Clusters with RHACM – Hybrid

Cloud

,

* Preparing boot image (OVA) files for use by Red Hat OpenShift Container Platform clusters on IBM Power Systems Virtual Servers on

IBM Cloud

,

* Deploy Citrix API Gateway Using Red Hat OpenShift Operators

,

* How to install OpenShift 4 on Bare Metal – User Provisioned Infrastructure (UPI) (48min)

,

* NFS Storage Class with OpenShift & Kubernetes (10min)

,

* OpenShift Virtualization – Run VMs on OpenShift with KubeVirt – Windows Server (27min) , * Multiple Route Shardings in the same node in a On-Premise Openshift

4 ,

* Blue / Green deployments in OpenShift with Eclipse JKube

,

* How to accelerate your cloud-native AppDev with knative Java and

OpenShift

,

* GitOps Using Red Hat OpenShift Pipelines (Tekton) and Red Hat Advanced Cluster Management to Deploy on Multiple Clusters

,

* 3 Core Features of OKD 4 Cluster Management: Fedora CoreOS, cri-o and MachineSet API (11min)

,

* OpenShift 4 release status

& OKD 4

release status

,

STORAGE:

* Persistent storage in action: Understanding Red Hat OpenShift’s persistent volume framework

,

* Gdash – GlusterFS Dashboard 1.0 released

,

CONTAINERS:

* How to build a Docker image using Multi Staging? * It’s Time to Forget About Docker

,

* How To Squash OpenShift Docker Build Layers To Remove Secrets

,

* Deploy Quay 3.3 on your Openshift Cluster

,

* Repository Mirroring in Quay 3.3

,

* 5 tips to secure a Red Hat Quay container image registry

,

SERVICE MESH:

* Service Mesh Visualization in HashiCorp Consul 1.9

,

* Open Service Mesh – Microsoft’s SMI based Open Source Service

Mesh Implementation

,

* Announcing Linkerd edge-20.10.5

,

RHEL:

* CentOS CPE Q3 Achievements 2020

,

* How to install and use AWStats Web Analytics on CentOS 8

,

* Install Apache Solr search platform on CentOS 8

,

* How To Install and Configure Elasticsearch on CentOS 8

,

* Linux security: Manipulating SELinux policies with Booleans

,

* Red Hat Insights feature highlights: Exploring historical system profiles in Drift for easier RHEL configuration troubleshooting

,

* How to use the Linux kernel’s Integrity Measurement Architecture

,

* Btrfs on CentOS: Living with Loopback

,

CERTIFICATIONS:

* How to pass the New CKA exam released at September 2020

,

* RHCE Ansible Series #1: Say Hello to Ansible

,

* RHCE Ansible Series #2: Running Ad-Hoc Commands

,

* John’s CKA/CKAD Tips and Tricks

,

* Certified Kubernetes Security Specialist – CKS

,

MISCELLANEOUS:

* Getting started with Ansible security automation: Threat Hunting

,

* Announcing HashiCorp Waypoint

,

* systemd-resolved: introduction to split DNS

,

* Linux permissions: SUID, SGID, and sticky bit

,

* Quantum networks: The next generation of secure computing

,

* Top five Vim plugins for sysadmins

,

* Linux Network Namespaces with ip netns (9min)

,

* Web of Trust, Part 2: Tutorial

,

* Optimizing the cost of serverless web applications

,

* How to Monitor Network Usage with nload in Linux

,

* Incremental backup with Butterfly Backup

,

* Issuing certificates for long hostnames with FreeIPA

,

* The four things you must be able to do in Vim

,

* How to install and set up SeedDMS

,

* Running Cassandra on Fedora 32

,

* A giant list of Google Cloud resources

,

* Let’s Talk Single Sign On  OAuth , OpenID & RHSSO

,

* Deconstructing an Ansible playbook

,

* Multi-stack deployments for the edge with Red Hat OpenStack

Platform 16.1

,

* Build custom Ansible modules using Python’s Pexpect

,

* The four things you must be able to do in nano

,

* Use mobile numbers for user authentication in Keycloak

,

* Linux interface analytics on-demand with iftop

,

* Secure NTP with NTS

,

* How to Secure Your Website with OpenSSL and SSL Certificates

,

* How To Kill Zombie Processes on Linux

,

* Simple BASH One-Liner – Create Subdirectory tree (3min)

.

Posted in Others

RECENT TECHNICAL ARTICLES & VIDEOS. Posted on October 15, 2020

-

CertDepot

KUBERNETES:

* How to run Keycloak in HA on Kubernetes

,

* Replace AWS VPC-CNI with Calico on AWS EKS cluster

,

* Frigate: a tool for automatically generating Helm chart

documentation ,

* yq: a command line tool that will help you handle your YAML

resources better

,

* Running spot instances effectively with Amazon EKS

,

* Individual Kubernetes Clusters vs. Shared Kubernetes Clusters for

Development

,

* How To Reduce Your Kubernetes Cost

,

* Kubernetes Multi-Tenancy – A Best Practices Guide

,

* Kubernetes Operators Explained

,

* Introduction to WebAssembly on Kubernetes with Krustlet

,

* YAML Templating Solutions: Helm & Kustomize

,

* How We Used Terraform to Create and Manage a HA AKS Kubernetes

Cluster in Azure

,

* Kubernetes: Evicted pods and Pods Quality of Service

,

* Kubetools – Curated List of Kubernetes Tools

,

* Kubernetes the hard way on Docker

,

* Best practices and tools for monitoring your Kubernetes cluster

,

* Provisioning Kubernetes clusters on AWS with Terraform and EKS

,

* Kubernetes integration and more in odo 2.0

,

* Developments in Kubernetes object storage support

,

* How a Kubernetes Pod Gets an IP Address

,

* Ensure Content Trust on Kubernetes using Notary and Open Policy

Agent

,

* Kubernetes For Everyone

,

* Helm 3 Umbrella Charts & Standalone Chart Image Tags – An Alternative Approach

,

* Replacing ngrok with ktunnel

,

* Kubernetes vs OpenShift

,

* A Practical Guide to Kubernetes Logging

,

* Event-driven Image and BigQuery processing pipelines with Knative

on Google Cloud

,

* Orchestrating CloudEvents (with Knative and Zeebe)

,

* externalTrafficPolicy=local on Kubernetes

,

OPENSHIFT:

* Architecture Patterns for Red Hat OpenShift on AWS

,

* Custom Operator Registry (Catalog Source) for OpenShift 4.5

,

* OpenShift Operator free mini-trainings

,

* OpenShift Roadmap Updates Q3CY2020

,

* Improved tooling and best practices to help you migrate to

OpenShift 4

,

* OpenShift Commons Briefing on OpenShift API Data Protection OADP

with Ceph CSI

/ pdf

,

* Using a Citrix ADC for the OpenShift Control Plane

,

* Chaos Engineering on IBM Cloud

,

* Writing Customized Reports Using Metering Operator

,

* Local Storage for OpenShift

,

* OpenShift 4 with MacVLAN and whereabouts

,

* What’s New in OpenShift 4.6 (105min)

/ pdf

,

* Red Hat OpenShift Dedicated Price Reduced by 75% on Average and SLA

Improved to 99.95%

,

* Raise the Bar – Workload protection on OpenShift

,

* GCP Quickstart Guide for OpenShift OKD

,

* Introduction to Kraken, a Chaos Tool for OpenShift/Kubernetes

,

* Ansible and OpenShift: Connecting for Success

,

* Static analysis with KubeAudit for Red Hat OpenShift

,

* OpenShift 4.6 Announcement Highlights

,

* Getting Started with OpenShift Virtualization

,

* Azure Active Directory Integration With OpenShift 4 ARO 4

,

* CodeReady Containers with GPU for Data Science

,

* Improved UX Scales: OpenShift Update Service with Advanced Cluster

Management

,

* Support for IBM Z and more in CodeReady Workspaces 2.4

,

* Building modern CI/CD workflows for serverless applications with Red Hat OpenShift Pipelines and Argo CD, Part 2

,

* Why and When you need to consider OpenShift Serverless

,

* Red Hat OpenShift Virtualization in nested VMware vSphere Cluster

,

* Securely connect Quarkus and Red Hat Data Grid on Red Hat OpenShift

,

CONTAINERS:

* Docker and Kubernetes – root vs. privileged

,

* Exploring Podman RESTful API using Python and Bash

,

* Podman 2.1 has been released! * How to enable NVIDIA T4 GPU with podman

,

STORAGE:

* Red Hat’s Stratis 2.2 Linux Storage Solution Released

,

* NVMe vs. SSD VPS Hosting: What’s the Difference? * CNCF Graduates Rook!

SERVICE MESH:

* Top 5 Istio Commands

,

* OpenShift Service Mesh essentials – Part II – Control Plane

,

RHEL:

* How to Install Drupal on CentOS 8

,

* How to Install Odoo 14 on CentOS 8 with Nginx as a Reverse Proxy

,

* How To Install MongoDB on CentOS 8

,

* How To Secure MongoDB on CentOS 8

,

* How To Configure Remote Access for MongoDB on CentOS 8

,

* Install and Configure FreeIPA Server on CentOS 8

,

* Managing cgroups the hard way-manually

,

* Managing cgroups with systemd

,

* Understanding the performance of your own applications with RHEL: it’s easy with PCP

,

* Migrating C and C++ applications from Red Hat Enterprise Linux version 7 to version 8

,

* CentOS Community Newsletter, October 2020 (#2010)

,

CERTIFICATIONS:

* K8s Certification: Everything you need to know about k8s and CKAD! * What you need to know about Kubernetes CKA Exam Updated Syllabus(September 2020)? * Setting up for your Red Hat remote exam: Things you need to do

first

,

MISCELLANEOUS:

* Recover your files from Btrfs snapshots

,

* Getting Started With AWS Ansible Module Development and Community

Contribution

,

* DevConfUS 2020 videos released

,

* How to use the uniq command to process lists in Linux

,

* Install a signed certificate with Open Liberty 20.0.0.10’s Automatic Certificate Management Environment Support 2.0

,

* Essential components of a Linux-based air-gapped network

,

* Using Ansible to interact with web endpoints

,

* 20 Million Downloads from the LVFS

,

* How to Install and Configure Nextcloud on Fedora 32

,

* How to customize Linux user environments

,

* How to set up SPF for added email authentication

,

* BASH Aliases: Making the magic happen with example (6min)

,

* Managing local group accounts in Linux

,

* Quarked testing: Writing tests for Quarkus

,

* Deep Dive: ACL Configuration Management Using Ansible Network Automation Resource Modules

,

* How to join a Linux system to an Active Directory domain

,

* Setting up a webserver to use HTTPS

,

* Security flaws and CVSS rescore process with NVD

,

* Introducing the new Ansible Automation Hub

,

* Ansible 2.10.1 release announcement

,

* HashiCorp Consul 1.9 release announcement

,

* Checkpointing Java from outside of Java

,

* Hands on vDPA: what do you do when you ain’t got the hardware

.

Posted in Others

LATEST TECHNICAL ARTICLES & VIDEOS. Posted on October 3, 2020

-

CertDepot

KUBERNETES:

* New Terraform Tutorials on Provisioning and Managing Kubernetes

Clusters

,

* Kubernetes Cost Optimization 101

,

* The Importance of Using Labels in Your Kubernetes Specs: A Guide

,

* MiniKube, Kubeadm, Kind, K3S, how to get started on Kubernetes? * Kubernetes clients and dashboards: a comparison

,

* How to create custom Helm charts

,

* Turn a Kubernetes deployment into a Knative service

,

* Using Helm with Amazon EKS without kubeconfigs

,

* Persistent volumes and claims in KubeInit

,

* Our Journey to Zero Downtime Rolling Updates with Ambassador

,

* Redis: running Master-Slave replication in Kubernetes

,

* Hive on Spark in Kubernetes

,

* RabbitMQ Monitoring on Kubernetes

,

* kubectl-reap: a kubectl plugin that deletes unused Kubernetes

resources ,

* List of Free Trials of Managed Kubernetes Services

,

* How to Set Up Multi-Cluster Load Balancing with GKE

,

* How to cold start fast a java service on k8s (EKS)

,

* iptables: How Kubernetes Services Direct Traffic to Pods

,

* Use Node Affinity in Kubernetes

,

OPENSHIFT:

* I’m so sorry OpenShift, I’ve taken you for granted! * I’m sorry OpenShift, I’ve taken you for granted…(the

evidence)

,

* Self-Contained, Ready and Secured – Enhancing Red Hat OpenShift with Hardware Cryptography

,

* Apache Airflow Architecture on OpenShift

,

* Simple Canary Deployments using Kubernetes StatefulSets on

OpenShift

,

* How to upgrade Strimzi Operator using the CLI

,

* Azure Red Hat OpenShift 4 (ARO 4) integrate with Azure

Active Directory

,

* ARO 4 and AAD Integration Take 2

,

* OpenShift OKD on Fedora CoreOS on DigitalOcean Part 3: Upgrading

,

* Set up continuous integration for .NET Core with OpenShift

Pipelines

,

* Best practices for migrating from OpenShift Container Platform 3 to

4 ,

* OpenShift OKD on Fedora CoreOS on DigitalOcean Part 4: Recorded

Demo

,

* Using Serverless Framework With Knative on OpenShift

,

* Workshop: How to design a Kubernetes/Openshift Operator

,

* Enhancing the OpenShift Web Console Login Experience

,

* Installing Keycloak on Openshift (7min)

,

* Installing metallb on OpenShift with Kustomize

,

* It’s Inside your House! Assisted Installer on Bare Metal

Demonstration

,

* SCC assignments and permissions in OpenShift

,

* Building OpenShift Pipelines with GitLab

,

* Command-line cluster management with Red Hat OpenShift’s new web terminal (tech preview)

,

* A Deeper Look at the Web Terminal Operator

,

* Building modern CI/CD workflows for serverless applications with Red Hat OpenShift Pipelines and Argo CD, Part 1

,

* Customizing and tuning the Kuryr SDN for Red Hat OpenShift 3.11 on Red Hat OpenStack 13

,

ADVANCED CLUSTER MANAGEMENT: * Applications Here, Applications There! Part 1 – Deploying an Application to Multiple Environments

,

* Applications Here, Applications There! – Part 2 – Blue/Green

Deployments

,

* Applications Here, Applications There! – Part 3 – Application

Migration

,

* Applications Here, Applications There! – Part 4 – Disaster

Recovery

,

STORAGE:

* Setting up MinIO server for storage architecture usage

,

* gstatus 1.0 ,

* Managing disaster recovery with GitOps and Ceph RBD mirroring

,

* Managing application consistency and state during Disaster Recovery for Ceph RBD mirroring

,

* Ceph scales to 10 billion objects

,

CONTAINERS:

* How to Install Docker-CE on RHEL 8

,

* Podman CLI Guide for Docker Users

,

* Rootless containers with Podman: The basics

,

* gVisor Security Basics

,

* gVisor Networking Security

,

* gVisor: Containing a Real Vulnerability

,

* Testing The Latest Container Tools on RHEL8

,

* Sinker: A tool to sync images from one container registry to

another ,

* Skopeo: A tool to work with remote images registries

,

* What I Learned from Reverse Engineering Windows Containers

,

* Windows Server Containers Are Open, and Here’s How You Can Break

Out

,

* Building multi-architecture images with GitHub Actions

,

* How to modify containers without rebuilding their image

,

* Quay.io Serves 1 Billion Container Images in August

,

* Accessing X Apps from Container

,

SERVICE MESH:

* Linkerd’s Little Secret: a Lightning Fast, Service Mesh Focused

Rust Network Proxy

,

* Under the hood of Linkerd’s state-of-the-art Rust proxy,

Linkerd2-proxy

,

* The road ahead for Linkerd2-proxy, and how you can get involved

,

* Rate Limiting of Service Requests in Istio Service Mesh

,

* OpenShift Service Mesh essentials – Part I – The Why and What

of it

,

* Kiali releases 1.21 to 1.24 – What’s new in these two and a

half months?

* Building your own OpenTelemetry Collector distribution

,

* Building microservices using IBM CloudPaks as amateur developer 3/5

,

RHEL:

* How To Configure HAProxy Logging with Rsyslog on CentOS 8

,

* CentOS CPE Weekly, September 20th 2020

,

* How to Install Mantis Bug Tracker on CentOS 8

,

* How to Install Let’s Encrypt on CentOS 8 With Nginx

,

* Getting started with the Red Hat Insights policies capability

,

* How to Install Redis Server on CentOS 8

,

* How to Install and Use Traefik as a Reverse Proxy with Docker on

CentOS 8

,

* A Linux sysadmin’s introduction to cgroups

,

* How to manage cgroups with CPUShares

,

* How To Install and Secure Redis on CentOS 8

,

CERTIFICATIONS:

* Red Hat Training delivers new courses for OpenShift developers and

administrators

,

* EdX: Building Modern Java Applications on AWS

,

* EdX: Building Modern Node.js Applications on AWS

,

* EdX: Building Modern Python Applications on AWS

,

* EX442 Areas for Studying

,

* Certifications Don’t Matter But They Absolutely Do Matter

,

* Red Hat partners with Skillsbuild.org to offer retraining solution

,

* Introducing KubeAcademy Pro: In-Depth Kubernetes Training, Totally

Free

,

MISCELLANEOUS:

* Troubleshooting user task errors in Red Hat Process Automation Manager and Red Hat JBoss BPM Suite

,

* 5 ways to harden a new system with Ansible

,

* Technologies for container isolation: A comparison of AppArmor and

SELinux ,

* What Are the Advantages of Google Compute Engine? * ELB vs. ALB vs. NLB: Choosing the Best AWS Load Balancer for Your

Needs

,

* Now available: Fedora on Lenovo laptops! * Linux sysadmins: Understand ncat’s power to avoid accidental

security risks ,

* Raspberry Pi 4 running Fedora 32

,

* Sysadmin tools: Creating network diagrams with diagrams.net

,

* Using ssh-keygen and sharing for key-based authentication in Linux

,

* Balancing Linux security with usability

,

* UNIX File Permissions Made Easy (12min)

,

* New C++ features in GCC 10

,

* Introducing the VMware REST Ansible Content Collection

,

* Announcing the release of Fedora 33 Beta

,

* Fedora 33 Beta now available

,

* How to create a simple CI/CD Pipeline with Ansible Tower

,

* Check Out Red Hat Talks at the Virtual Open Infrastructure Summit

2020

,

* Call an existing REST service with Apache Camel K

,

* Build a data streaming pipeline using Kafka Streams and Quarkus

,

* Automate your SAP HANA System Replication Deployment using Ansible and RHEL System Roles for SAP

,

* Why I use emojis in my Git commits

,

* Quicker, easier GraphQL queries with Open Liberty 20.0.0.9

,

* Use dnsmasq to provide DNS & DHCP services

,

* Simplify and optimize with Red Hat Ansible Automation Platform

,

* A beginner’s guide to gawk

,

* AI software stack inspection with Thoth and TensorFlow

,

* An introduction to web application firewalls for Linux sysadmins

,

* Red Hat adopts ROLIE protocol for automated exchange of security

compliance assets

,

* Quantum on OpenShift – part one, an introduction to

quantum computing

,

* Red Hat Satellite 6.7.4 has been released

,

* Red Hat Runtimes update delivers new features for Open Hybrid Cloud

,

* Faster deployments of Red Hat OpenStack Platform with Ansible

strategy plugins

,

* Tracking time with Timewarrior at the command line

.

Posted in Others

RECENT TECHNICAL ARTICLES & VIDEOS. Posted on September 21, 2020

-

CertDepot

KUBERNETES:

* Ready-to-use commands and tips for kubectl

,

* Step-by-Step Centralized Authentication for Kubernetes with Keycloak and the Ambassador Edge Stack

,

* Deploy React App to a Kubernetes Cluster

,

* One-liner to decode a Kubernetes secret (base64 encoded)

,

* Velero backup/restore for K8s Stateful Applications managed by

Operators

,

* Kubeload: a Kubernetes operator for load-testing

,

* Proxyless gRPC load balancing in Kubernetes

,

* Create a Daemonset in Kubernetes

,

* Seven Kubernetes monitoring best practices every monitoring solution should enable

,

* Achieving multi-tenancy in monitoring with Prometheus & the mighty

Thanos Receiver

,

* Must-read Kubernetes free books

,

* Spring Cloud Kubernetes Load Balancer Guide

,

* A curated list of awesome Kubernetes tools and resources

,

* Custom HPA scaling for Kubernetes with Prometheus and RabbitMQ

metric ,

* Database migrations on Kubernetes using Helm hooks

,

* An introduction to Kubespray

,

* Configmaps in Kubernetes

,

* Ingress for Anthos – Multi-cluster Ingress and Global Service

Load Balancing

,

* Immutable Secrets Beta in V1.19

,

* The Kubernetes Handbook

,

* How to setup Hetzner load balancer on a Kubernetes cluster

,

* KubeVirt v0.33 release announcement

,

OPENSHIFT:

* Visual Web Terminal – A Turbocharged Command Line for Kubernetes

and OpenShift

,

* OpenShift Serverless Eventing Explained in 5 Minutes

,

* Guide to OpenShift Pipelines Part 1 – Introducing OpenShift

Pipelines

,

* Guide to OpenShift Pipelines Part 2 – Using Source 2 Image build

in Tekton

,

* Guide to OpenShift Pipelines Part 3 – Manage a Runtime Image

,

* Guide to OpenShift Pipelines Part 4 – Application Deployment and Pipeline Orchestration

,

* Guide to OpenShift Pipelines Part 5 – Using the Examples in this

Series

,

* Red Hat Marketplace: The open hybrid cloud game changer

,

* How to install the CouchbaseDB Operator for Red Hat OpenShift on your laptop using Red Hat CodeReady Containers and Red Hat Marketplace

,

* How to run Red Hat CodeReady Containers on Windows 10 Enterprise

,

* Deploying Miniflux (an RSS feed reader) on OpenShift

,

* Install Kubernetes operators in OpenShift using only the CLI

,

* From code to production with OpenShift Pipelines and Argo CD

,

* Deploying OpenShift in KVM/libvirt guests

,

* Install Red Hat OpenShift Operators on your laptop using Red Hat CodeReady Containers and Red Hat Marketplace

,

* 5 tips for developing Kubernetes Operators with the new Operator

SDK

,

* Customizing openshift4 web console – Custom logo and product name

in openshift 4

,

* IBM OpenShift Red Book: Red Hat OpenShift V4.3 on IBM Power Systems

Reference Guide

,

* Build, Deploy and Manage your Microservices Application with OpenShift (125min) , * Setting up Red Hat Advanced Cluster Management for Kubernetes on CodeReady Containers (CRC) Using Minikube and Minishift as Managed

Clusters

,

* Deploying serverless Node.js applications on Red Hat OpenShift,

Part 1

,

* Introducing Operator-SDK 1.0 (133min)

/ (slides

),

* Using the Azure Service Operator on OpenShift

,

* How to switch Red Hat OpenShift Virtualization from hardware virtualization to software emulation

,

* Kubeflow 1.0 monitoring and enhanced JupyterHub builds in Open Data

Hub 0.8

,

* Comply to Standards Using Policy-based Governance of Red Hat Advanced Cluster Management for Kubernetes

,

STORAGE:

* Running OpenEBS in Kubernetes

,

* Using the vSphere CSI Driver with OpenShift 4.x and VSAN File

Services

,

* Introducing Red Hat Data Services With OpenShift Container Storage

4.5

,

CONTAINERS:

* CI/CD: Optimizing Docker images with Dive

,

* Managing Containers in Podman with Systemd Unit Files (6min)

,

* Where Are Your Images Running? Stop Worrying and Start Encrypting!

(36min) ,

* Deploying KubeInit from a container

,

* Rootless containers using Podman

,

* Buildah version 1.16.0 Release Announcement

,

* Podman rootless containers in RHEL7

,

SERVICE MESH:

* Safe and sound canary upgrade for your Istio control plane

,

* Why Do We Hit a Wall When Introducing Microservice Architecture?

RHEL:

* Installing MariaDB Columnstore 1.5 on CentOS 8

,

* Minutes for CentOS Board of Directors for 2020-07-08

,

* CentOS Board approves creation of Infrastructure SIG

,

* CentOS CPE Weekly, September 1st

,

* Getting started with the Red Hat Insights patch capability

,

* Stop unauthorized applications with RHEL 8’s File Access Policy

Daemon

,

* Optimizing a Red Hat Enterprise Linux installation ISO image

,

* Managing the security of your Red Hat Enterprise Linux environment with Red Hat Insights

,

* Introduction to Linux firewalld zones and rules

,

* Build a personal Git server with Gogs and Podman

,

* The Perfect Server CentOS 8 with Apache, PHP, Postfix, Dovecot, Pure-FTPD, BIND and ISPConfig 3.2 (Beta)

,

* Setup Kibana Elasticsearch and Fluentd on CentOS 8

,

* Learn Red Hat 8 RHCSA VDO storage with CLI and Ansible (52min)

,

* Hard links and soft links in Linux explained

,

CERTIFICATION:

* Red Hat Academy launches user platform for improved learning

experience

,

* How I successfully cleared Certified Kubernetes Application Developer CKAD exam in 5 weeks! * Tips about Certified Kubernetes Application Developers (CKAD) exam

,

* New, Free Training Course Teaches Fundamentals of Serverless on

Kubernetes

,

* Test your Red Hat OpenStack Platform skills before you certify

,

* CKAD Practice Questions

,

* Achievement unlocked: How we revamped the Red Hat Learning Subscription dashboard

,

* Red Hat remote exam requirements

,

* Parts of SANDER VAN VUGT‘s Certified Kubernetes Application Developer CKAD Video Course: * Introduction CKAD Video Course (4min)

,

* 4. Learning objectives Understanding API and Management (1min)

,

* 4.1 Understanding the Main Kubernetes Objects (6min)

,

* 4.2 Understanding the Kubernetes API (5min)

,

* 4.3 Using Kubernetes Dashboard to Manage API Objects (3min)

,

* 4.4 Using kubectl to Manage API Objects (8min)

,

* 4.5 Using curl to Work with API Objects (4min)

,

* 4.6 Understanding Authentication and Authorization (2min)

,

* 4. Lab: Using curl to Work with the API (1min)

,

* 4. Lab Solution: Using curl to work with the API (5min)

.

MISCELLANEOUS:

* Dipping My Toes into the DigitalOcean

,

* Should I run my desktop 24/7? * Sysadmin toolbox: How to use the sort command to process text in

Linux ,

* Solving the Ansible error ‘This module requires the OpenShift

Python client’

,

* Testing hard-drive or SSD performance on Fedora

,

* CNCF End User Technology Radar: Observability, September 2020

,

* Cloud-native Java applications made easy: Eclipse JKube 1.0.0 now

available

,

* The evolution of Red Hat Summit 2021: Announcing a hybrid approach

,

* The amazing new observability features of Open vSwitch

,

* Quarkus and Jakarta EE: Together, or not? * Linux terminal trick: Hack the cd command to remember where

you’ve been ,

* Incremental backups with Btrfs snapshots

,

* Nginx vs. Apache: When to Use One or the Other

,

* Is the AWS Free Tier really free? * Using OpenAPI with .NET Core

,

* Using KVM to simulate NUMA configurations for OpenStack

,

* Setting up port redirects in Linux with ncat

,

* Reinventing virtualization with the AWS Nitro System

,

* Developing and Testing Ansible Roles with Molecule and Podman –

Part 2

,

* Taming the tar command: Tips for managing backups in Linux

,

* Dogtag, number ranges and LDAP VLV indices

,

* New language support features in Apache Camel VS Code extension

0.0.27

,

* AWS Video Catalog: a website that collects all the official Amazon

videos ,

* Installing and running Vagrant using qemu-kvm

,

* Migrating from Fabric8 Maven Plugin to Eclipse JKube 1.0.0

.

Posted in Others

LATEST TECHNICAL ARTICLES & VIDEOS. Posted on September 9, 2020

-

CertDepot

KUBERNETES:

* Compendium of Kubernetes Application Deployment Tools

,

* Kubernetes Tip: How Statefulsets Behave Differently Than Deployments When Node Fails? * Oracle Database Backup & Recovery using Kasten K10 Platform in

Cloud-Native World

,

* 6 Things to consider in a Prometheus monitoring platform

,

* Harbor is extending its reach with key image distribution features and support for Machine Learning artifacts

,

* Kubernetes 1.19: Accentuate the Paw-sitive

,

* Kubernetes 1.19 What’s New? * Introduction to LitmusChaos

,

* Kubernetes RBAC 101: Authorization

,

* Constructing YAML with Kubectl only

,

* Static pods in Kubernetes

,

* How To Implement Distributed Tracing with Jaeger on Kubernetes

,

* Increasing the Kubernetes Support Window to One Year

,

* Kubernetes: How to automatically detect and deal with deprecated

APIs

,

* Kubernetes Tip: How Does OOMKilled Work? * Ephemeral volumes with storage capacity tracking: EmptyDir on

steroids

,

* Setting the right requests and limits in Kubernetes

,

* Scaling Kubernetes Networking With EndpointSlices

,

* Certificate management on Kubernetes

,

* Warning: Helpful Warnings Ahead

,

* Build and deploy Kubernetes apps with Skaffold

,

* Introducing Structured Logs

,

* Kubernetes: PersistentVolume and PersistentVolumeClaim – an overview with examples

,

* Kubernetes: ClusterIP vs NodePort vs LoadBalancer, Services, and Ingress – an overview with examples

,

* How to monitor etcd , * Keeping Kubernetes secrets secret

,

* Discovering Running Pods By Using DNS and Headless Services in

Kubernetes

,

* Implement Health Checks for Kubernetes in Your Application

,

* Benchmark results of Kubernetes network plugins (CNI) over 10Gbit/s network (Updated: August 2020)

,

OPENSHIFT:

* GPU-Accelerated Machine Learning with OpenShift Container Platform

,

* DNS Forwarding in Openshift

,

* KubeInit External access for OpenShift/OKD deployments with Libvirt

,

* Connecting external clients to Red Hat AMQ Broker on Red Hat

OpenShift

,

* Developing micro-microservices in C on Red Hat OpenShift

,

* Enable container-native virtualization on Red Hat OpenShift and AWS

,

* Faster enablement of developer teams with CodeReady Workspaces on

OpenShift (29min) ,

* Deploy a simple website using Go on OpenShift

,

* Pushing the Limits of OpenShift 4.5 at Scale

,

* Cost Saving with Amazon EC2 Spot Instances for Red Hat OpenShift

4.5

,

* Using Spring Cloud Functions with OpenShift Serverless

,

* Customizing OC Output With Go Templates

,

* Deploying a Single Operator on OpenShift Disconnected

,

* Introduction to Tekton and Argo CD for multicluster development

,

* The present and future of CI/CD with GitOps on Red Hat OpenShift

,

* OpenShift Insights for OpenShift Cluster Manager

,

* OpenShift 4 on AWS Quick Starts

,

* GitOps Using Red Hat OpenShift Pipelines (Tekton) and Red Hat Advanced Cluster Management

,

* Adding OpenShift Workers post install (101min)

,

* OpenShift Pod Scheduling Algorithms

,

* OpenShift 4 build your First Admission Controller

,

STORAGE:

* Kubernetes Storage Performance Comparison v2 (2020 Updated)

,

CONTAINERS:

* Scanning containers for vulnerabilities with OpenSCAP and Podman

,

* Seccomp in Kubernetes – Part I: 7 things you should know before

you even start!

* Seccomp in Kubernetes – Part 2: Crafting custom seccomp profiles for your applications

,

* Seccomp in Kubernetes – Part 3: The new syntax plus some Advanced

topics

,

* Podman remote clients for macOS and Windows

,

* Podman login to a secured registry

,

* Podman checkpoint / restore and SQL Server 2019

,

* Secure and monitor your containers on Bottlerocket from AWS

,

* The Ten Commandments of Container Security

,

* Reproducible container images

,

* Migrate your Java VMs to containers with Red Hat Migration Toolkit for Applications 5.0

,

SERVICE MESH:

* What’s new in Istio 1.7, a quick walkthrough

,

* Application Security from a Platform Perspective

,

* Open Service Mesh – Microsoft’s SMI based Open Source Service

Mesh Implementation

,

* How To Install Istio Service Mesh on OpenShift 4.x

,

RHEL:

* How to Install phpMyAdmin on CentOS 8

,

* CentOS Community newsletter, September 2020 (#2009)

,

* Guide: Getting Started on CentOS 8 and CentOS 7

,

* How to Install oVirt Open Virtualization Manager on CentOS 8

,

* How to Install and Configure CyberPanel on CentOS 8

,

* How to Install and Setup Varnish Cache 6 with Nginx on CentOS 8

,

CERTIFICATIONS:

* CKAD preparation notes , * K8s Certification: Everything you need to know about k8s and CKAD! * RedHat labs to learn RHEL , * Level up your Red Hat Enterprise Linux skills with containers

,

* RHCSA 8 exam objective changes

,

* Certified Kubernetes Administrator Exam Hacks and Tips

,

* What you need to know about Kubernetes CKA Exam Updated Syllabus(September 2020)? * How to Pass Almost Every Google Cloud Platform Professional

Certification Exam

,

* Best Practices for CKA Exam

,

MISCELLANEOUS:

* Scaling Red Hat OpenStack Platform 16.1 to more than 700 nodes

,

* Filtering tcpdump: Creating order from chaos

,

* 5 Linux network troubleshooting commands

,

* Scheduling updates in Linux using yum-cron

,

* vDPA kernel framework part 2: vDPA bus drivers for kernel subsystem

interactions

,

* Vulnerability analysis with Red Hat CodeReady Dependency Analytics

and Snyk Intel

,

* Introducing IDE support for Apache Camel K Modeline

,

* Tune up your sound with PulseEffects: Microphones

,

* SSH password automation in Linux with sshpass

,

* First Lenovo laptop with Fedora now available on the web! * Setting up containerized SSH servers for session recording with

tlog ,

* What’s your favorite automation tool? * Games for sysadmins: Prince of Persia 1 on Linux with SDLPoP

,

* Add Java language support for Apache Camel K inside Eclipse Che

,

* 8 AWS Terms Project Managers Need to Know

,

* Use libguestfs to manage virtual machine disk images

,

* vDPA kernel framework part 3: usage for VMs and containers

,

* Red Hat Satellite 6.7.3 has been released

,

* How Linux PID namespaces work with containers

,

* GitOps: Stop, collaborate and deploy

,

* AWS Best Practices for Security, Identity, & Compliance

.

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KUBERNETES:

* What’s new in Kubernetes 1.19? * 10 awesome Kubernetes tools every user should know (38min)

,

* The Kubernetes Cloud Controller Manager

,

* Caching for Building Spring Boot App Image with Kaniko

,

* Pluto: A cli tool to help discover deprecated apiVersions in

Kubernetes ,

* Persistent ReadWriteMany volumes in Kubernetes

,

* Falco Update: What’s new in Falco? * An introduction to installing Prometheus with Minikube

,

* Securing Kubernetes Apps with Keycloak and Gatekeeper

,

* Litmus: Chaos engineering , * Free eBook: HAProxy in Kubernetes

,

* Role-based access control (RBAC) in Kubernetes

,

* Kubernetes Tip: How To Make Kubernetes React Faster When Nodes

Fail?

* Monitoring Kubernetes Clusters Through Prometheus & Grafana

,

* Import virtual machine from oVirt

,

* TOC Approves Thanos from Sandbox to Incubation

,

* Introducing the AWS Controllers for Kubernetes (ACK)

,

* Deploying a Kubernetes cluster on DigitalOcean with Terraform

,

* Kubernetes – Pod Security Policies

,

* Automatic Volume Snapshots on Kubernetes

,

* All You Need To Know About GitOps

,

* How To Manage Your Kubernetes Configurations with Kustomize

,

* TOC Welcomes Cortex as an Incubating Project

,

* Kubernetes Troubleshooting: 7 Essential Steps for Delivering Reliable Applications

,

* ‘Hello, World’ tutorial with Kubernetes Operators

,

* Kubernetes-native Apache Kafka with Strimzi, Debezium, and Apache Camel (Kafka Summit 2020)

,

* Kubernetes Node Local DNS Cache

,

* Understanding Kubernetes Memory Metrics

,

* Why Do DevOps Engineers Love Helm? * Kubernetes 1.19 Arrives

,

* Common Kubernetes Failures at Scale

,

OPENSHIFT:

* Red Hat’s approach to edge computing (29min)

,

* A review of the MachineConfig operator

,

* Fully Automated OpenShift Deployments With VMware vSphere, * OpenShift Virtualization 2.4 Is Now Generally Available! * OpenShift joins the Argo CD community (KubeCon Europe 2020)

,

* Red Hat Advances Kubernetes Across the Cloud-Native Toolchain with Updated Developer Portfolio

,

* OpenShift 4.5: Bringing developers joy with Kubernetes 1.18 and so

much more

,

* Operator SDK Reaches v1.0

,

* Create Windows VMs inside OpenShift with OpenShift Virtualization and OpenShift Container Storage

,

* Quick Guide to Microservices with Quarkus on Openshift

,

* OpenShift Performance Sensitive Applications: STAC-A2 With Intel

CPUs

,

* SRE Life: Helpful Pointers for Debugging OpenShift

,

* OpenShift Serverless & Serverless Framework Component

,

* The Hidden Dangers of Terminating Namespaces

,

* Containers and Virtual Machines Together on Red Hat Openshift

Platform

,

* Migrating Hosted Customers from OpenShift to Rancher

,

* Deploying OpenShift 4.3 to VMware vSphere (43min)

,

* Global Load Balancer for OpenShift clusters: an Operator-Based

Approach

,

* Secure inter-cluster traffic in Openshift with Service CA Operator

,

* OpenShift 4 “under-the-hood”

,

* Improved configuration and more in Red Hat CodeReady Workspaces 2.3

,

* OpenShift 101: Introduction, architecture, and operators

,

* OpenShift OKD on Fedora CoreOS on DigitalOcean Part 2:

Configuration

,

* Java development on top of Kubernetes using Eclipse JKube

,

* Multicluster Service Discovery in OpenShift (Part 1)

,

* Multicluster Service Discovery in OpenShift (Part 2)

,

* Reinforcing Cerberus: Guardian of OpenShift/Kubernetes Clusters

,

* Delivering a Three-node Architecture for Edge Deployments

,

* How to create a Single Node Cluster for OpenShift 4 on Power and Z

,

STORAGE:

* Rook v1.4: Storage Enhancements and Ceph Features

,

* Kadalu blog: gstatus 1.0 , * Overview: OpenShift Container Storage 4 (5min)

,

CONTAINERS:

* Building the Perfect Tools Container (62min)

,

* Sysdig 2020 Container Security Snapshot: Key image scanning and configuration insights

,

* SELinux changes for KVM-separated (Kata) containers

,

* Buildah, Dive, Skopeo: 3 Container Tools for building images on Kubernetes Cluster with Gitlab CI (10min)

,

* How to monitor Harbor registry with Prometheus metrics

,

* Container video series: Rootless containers, process separation,

and OpenSCAP ,

* “Immutable” → reprovisionable, anti-hysteresis, * Container Migration and CRIU Details (59min)

,

* Tick-tock. Does your container know what time it is?

SERVICE MESH:

* Introducing Open Service Mesh

,

* A standard interface for service meshes on Kubernetes

,

* Taking the Open Service Mesh for a test drive

,

* Jaeger Turns Five: A Tribute to Project Contributors

,

* Where did all my spans go? A guide to diagnosing dropped spans in

Jaeger

,

* How to maximize span ingestion while limiting writes per second to

Scylla with Jaeger

,

* Extending your Istio service mesh across GKE clusters and Compute

Engine instances

,

* Istio 1.7 delivers hybrid cloud features

,

RHEL:

* CentOS CPE Weekly: 2020-08-14

,

* How to Install Lighttpd with PHP-FPM and MariaDB on CentOS 8

,

* ReaR: Backup and Recover your Linux server with confidence

,

* Multipath TCP on Red Hat Enterprise Linux 8.3: From 0 to 1 subflows

,

* How to Install Flectra Business Management Software with Nginx on

CentOS 8

,

CERTIFICATIONS:

* Red Hat Learning Subscription News Flash #6: Remote exams, Course translations, and course releases (2min)

,

MISCELLANEOUS:

* Rendering Music notation with ABC

,

* vDPA Kernel Framework Part #1: vDPA Bus for Abstracting Hardware

,

* iptables: The two variants and their relationship with nftables

,

* The Lock-In You Don’t See

,

* Tune up your sound with PulseEffects: Speakers

,

* Configure Fedora to practice and compose music

,

* Troubleshoot your network with tcpdump

,

* What is iowait and how does it affect Linux performance? * Red Hat Satellite 6.8 beta now available with support for IPv6 and improved upgrade processes

,

* JSON logging updates in Open Liberty 20.0.0.8

,

* Git Via HTTP on Fedora

,

* Enabling Write access to git-http-backend

,

* Running git and gitweb in a container with Fedora

,

* Btrfs Coming to Fedora 33

,

* Use Vim macros to automate frequent tasks

,

* Red Hat Ansible Tower Performance Improvements between 3.6 and 3.7

,

* Introducing Red Hat Insights Drift Capability for Red Hat Enterprise Linux configuration troubleshooting

,

* Set up SSH access with session recording and containerized bastion

servers: Part 1

,

* Get started with JDK Flight Recorder in OpenJDK 8u

,

* Getting Started With OSPFV2 Resource Modules

,

* Ansible Certified Content Collection for Chocolatey

,

* Developing and Testing Ansible Roles with Molecule and Podman –

Part 1

.

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LATEST TECHNICAL ARTICLES & VIDEOS. Posted on August 16, 2020

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KUBERNETES:

* Storage in Kubernetes

,

* Deploying And Maintaining Kubernetes Using Ansible

,

* Network Policy in Kubernetes

,

* Protecting Kubernetes applications data using Kanister

,

* Prometheus Exporters and Target Labels

,

* How to monitor etcd , * Development on Kubernetes: Choose a platform

,

* Common Kubernetes Config Security Threats

,

* Monitoring .NET Core applications on Kubernetes

,

* k8s-diagrams ,

* Starting containers in order on Kubernetes with InitContainers

,

* Using Lease Resources to Manage Concurrency in Tekton Builds

,

* Kubernetes Active Passive Applications

,

* Kubernetes and the hybrid cloud with Skupper

,

* Automating System Updates for Kubernetes Clusters using Ansible

,

* Serverless Workflow: New approach to Kubernetes service orchestration (31min) , * Kubernetes Governance 101

,

* Why the Kubernetes Scheduler Is Not Enough for Your AI Workloads

,

* Limit Ranges in Kubernetes

,

* How do you rollback deployments in Kubernetes? * Extending Kubernetes to an unlimited one through tensile-kube

,

* Graceful shutdown and zero downtime deployments in Kubernetes

,

* How we learned to improve Kubernetes CronJobs at Scale (Part 1 of

2)

,

* How we learned to improve Kubernetes CronJobs at Scale (Part 2 of

2)

,

* A Complete Guide to Monitoring Amazon EKS

,

* KubeVirt v0.32.0 released

,

* Introduction to Strimzi: Apache Kafka on Kubernetes (KubeCon Europe

2020)

,

* Introducing Hierarchical Namespaces

,

* State of Cloud Native Development

,

* Kubernetes Operators to realize the dream of Zero-Touch Ops

,

* Creating a Low Cost Managed Kubernetes Cluster for Personal Development using Terraform

,

OPENSHIFT:

* How to Integrate Open Policy Agent with Red Hat Advanced Cluster Management for Kubernetes policy framework

,

* 7 Best Practices for Writing Kubernetes Operators: An SRE

Perspective

,

* Kubernetes Watches will ghost you without warning

,

* Validating Distributed Multi-Node Autonomous Vehicle AI Training with NVIDIA DGX Systems on OpenShift with DXC Robotic Drive

,

* Build a Tekton Pipeline to deploy a mobile app back end to

OpenShift 4,

* GPUs on OpenShift (50min)

/ pdf

,

* Comply to standards using policy based governance of Red Hat Advanced Cluster Management for Kubernetes

,

* Fine Grained IAM Roles for OpenShift Applications

,

* About the Quay.io Outage: Post Mortem

,

* Deploy Red Hat AMQ Streams in OpenShift backed by OpenShift

Container Storage

,

* Deploying a Minimalistic Flask Application to OpenShift

,

* Testing OpenShift Network Policy

,

* Network Policy to Explicitly Allow access from all Namespaces

,

* Disrupting OpenShift – Part 1

,

* Disrupting OpenShift – Part 2

,

* Disrupting worker in OpenShift

,

* Six things to consider related to OpenShift resilience

,

* Deploy Grafana 7 on OpenShift

,

* KubeVirt & OpenShift CNV – Why does it make sense

,

* Running OpenShift 4 on Ovirt / RHV

,

* OpenShift and CNV: Installer network requirements

,

* OpenShift and CNV: Exposing virtualized services

,

* OpenShift and CNV: MAC address management in CNV 2.4

,

* Automated OpenShift 4 bare metal deployment on Packet (87min)

(instructions

),

* Red Hat OpenShift on Nutanix

,

* Cost tracking for OpenShift on AWS

,

* Mind your AMQPs… or Kafka… or Interconnect! What is in the Red

Hat messaging box?

* OpenShift Update Service: Update Manager for Your Cluster

,

* Open Data Hub 0.7 adds support for Kubeflow 1.0

,

* How to Deploy an Application to an OpenShift Cluster

,

* Develop your own policy controller to integrate with Red Hat Advanced Cluster Management for Kubernetes

,

* OpenShift OKD on Fedora CoreOS on DigitalOcean Part 1: Deployment

,

* OpenShift for Kubernetes developers: Getting started

,

* Consuming Secrets in Your OpenShift Applications Using HashiCorp

Vault

,

CONTAINERS:

* The podman play kube command now supports deployments

,

* Moving from docker-compose to Podman pods

,

* “To be, or not to be,” vulnerable… How customers and partners can understand and track Red Hat security vulnerabilities

,

* Evolution of k8sWorker Nodes-CRI-O

,

STORAGE:

* How To Set Up a Ceph Cluster within Kubernetes Using Rook

,

* Hybrid Cloud with OpenShift Container Storage & HPE Servers

,

* Dynamic volume provisioning with OpenShift storage classes

,

SERVICE MESH:

* Where did all my spans go? A guide to diagnosing dropped spans in

Jaeger

,

* How to maximize span ingestion while limiting writes per second to

Scylla with Jaeger

,

* OpenTelemetry: Future-Proofing Your Instrumentation

,

* Intro to OpenShift Service Mesh

,

* Microservices with the OpenShift Service Mesh

,

* How to add an application to a Red Hat OpenShift Service Mesh

,

* Kiali InGraph Tracing (8min)

,

* Design Considerations at the Edge of the ServiceMesh

,

* AMA on Network Service Mesh (65min)

,

* Envoy 1.15 introduces a new Postgres extension with monitoring

support

,

RHEL:

* How to Install Flectra on CentOS 8 with Nginx as a Reverse Proxy

,

* PAM by example: Use authconfig to modify PAM

,

* Learning NFS through server and client configuration

,

* World domination with cgroups part 8: down and dirty with cgroup v2

,

* How to Install and Configure MongoDB on CentOS 8

,

* Exposing PXE Media as a local Yum Repo

,

* Red Hat Insights delivers easier RHEL management with Red Hat knowledge base integration and enhanced customer portal applications

,

* Syncing and Serving Yum Repos on RHEL 8

,

* Introducing the Red Hat Flatpak runtime for desktop containers

,

* Install Multiple Linux Distributions Using PXE Network Boot on

RHEL/CentOS 8

,

CERTIFICATIONS:

* Red Hat free training courses

,

*

How

to pass the AWS Solutions Architect Associate exam – complete guide

,

MISCELLANEOUS:

* Using an Inventory Plugin from a Collection in Ansible Tower

,

* Cloud-native software development with Virtual Application Networks

,

* Red Hat Virtualization: The now and the next

,

* Install Fedora on a Raspberry Pi 3

,

* Learn From 20 Free Interactive Tutorials As Presented At HashiConf

Digital

,

* A deep dive into Keycloak

,

* My top 10 terminal shortcuts for Linux

,

* Reactive Quarkus: A Java Mutiny

,

* Choosing between Ansible’s copy and template modules

,

* Announcing HashiCorp Terraform 0.13 General Availability

,

* Learn new IT languages , * Secure authentication with Red Hat AMQ 7.7 and ApacheDS LDAP server

,

* Setting up multi-factor authentication on Linux systems

,

* TCP window scaling, timestamps and SACK

,

* Create a wifi hotspot with Raspberry Pi 3 and Fedora

,

* Mount NFS filesystems with autofs

,

* Sysadmin tools: Using rsync to manage backup, restore, and file

synchronization

,

* Introduction to vDPA kernel framework

,

* Running a Container Registry Behind Apache HTTPD

,

* Vim: Basic and intermediate commands

,

* Hash root’s Password in RHEL and CentOS Kickstart Profiles

,

* Boosting manufacturing efficiency and product quality with AI/ML, edge computing and Kubernetes

,

* Amazon’s Machine Learning University is making its online courses available to the public

,

* GNOME keyboard shortcuts to streamline your workflow in Linux

.

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KUBERNETES:

* Kubernetes PVCs with EFS provisioner

,

* How to deploy pods on specific nodes on Amazon EKS? * Resource Limits in Kubernetes

,

* Kubernetes – Pod Security Policies

,

* All You Need To Know About GitOps

,

* Kubelet with no Kubernetes Masters (38min)

,

* Keeping Kubernetes secrets secret (36min)

,

* Announcing k8s-image-availability-exporter

,

* Serverless Blue, Green and Canary with Knative(kn)

,

* 5 Essential workflows for secure DevOps

,

* Kubernetes RBAC 101: Authentication

,

* Configure RBAC in Kubernetes Like a Boss

,

* Jobs in Kubernetes

,

* Announcing Vitess 7

,

* Securing K8s Ingress Traffic with HashiCorp Vault PKIaaS and JetStack Cert-Manager

,

* EKS Service Accounts Explained

,

* Cheat Sheet for Kubernetes Commands

,

* Build and deploy Kubernetes apps with Skaffold

,

* The Ten Commandments of Container Security

,

* Using kubectl via an SSH Tunnel

,

* Development on Kubernetes: IDE & Tools

,

* Kustomize: Traefik v2.2 as a Kubernetes Ingress Controller

,

OPENSHIFT:

* DaemonSets in OpenShift and Kubernetes

,

* Observability Superpower: Correlation

,

* Home Network setup for OpenShift

,

* Learn cloud native: Learn containers (40min)

,

* Machine Config Pools: Infrastructure Nodes Revisited (123min)

,

* OpenShift 4 with FreeIPA container as an Identity Provider

,

* Deploy your Java web application into the cloud using Eclipse JKube

,

* Pod Resource Spreadsheet Calculator

,

* Twitch.tv: CodeReady Workspaces (79min)

/ pdf

,

* Creating event sources in the OpenShift 4.5 web console

,

* OpenShift OKD on Fedora CoreOS on DigitalOcean Part 0: Preparation

,

* Forwarding OpenShift Logs to Secondary Systems (105min)

,

* OpenShift tip: Resolve a terminating state issue

,

* From notebooks to pipelines: Using Open Data Hub and Kubeflow on

OpenShift

,

* Windows Server Containers in Red Hat OpenShift 4.4 (68min)

,

* vRealize Operations – Monitoring OpenShift Container Platform

environments

,

* Running Backup & Restore on an OpenShift (CRC) environment using

Kanister and Minio

,

* How to fix .NET Core’s ‘Unable to obtain lock file access’ error on Red Hat OpenShift

,

* Building CNF applications with OpenShift Pipelines

,

* CIFS and OpenShift using the Container Storage Interface

,

* DevNation: Developer joy for distributed teams with CodeReady Workspaces (65min) / pdf

,

* Twitch.tv: OpenShift Updates and Release Process (65min)

/ pdf

,

* The easiest and fastest way to deploy an OKD 4.5 cluster in a

Libvirt/KVM host

,

* Authorizing multi-language microservices with Louketo Proxy

,

* Node Tuning Operator and Friends in OpenShift 4.5

,

* HTTP-based Kafka messaging with Red Hat AMQ Streams

,

* OpenShift tips: How to recover a lost kubeadmin password for an

OpenShift 4 cluster

,

STORAGE:

* How to Install and configure vSphere CSI Driver on OpenShift 4.x

,

* Providing Persistent Storage to Windows Containers

,

* Red Hat OpenShift certified HPE CSI Operator for Kubernetes

available now!

CONTAINERS:

* Improved systemd integration with Podman 2.0

,

* A Guide to OpenShift and UIDs, * Uploading your first Docker Image using Podman

,

* An introduction to crun, a fast and low-memory footprint container

runtime ,

SERVICE MESH:

* Kiali+Jaeger Sprint #41 (19min)

,

* Kiali+Jaeger Sprint #42 (13min)

,

* Istio and Kiali: Troubleshoot a service mesh app (10min)

,

* Service Mesh traffic management without commands (7min)

,

* Explore your service mesh distributed traces within Kiali (3min)

,

* Replay a disaster, replay your traffic (5min)

,

* Kiali Metrics and traces correlation (3min)

,

* Istio and Kiali: Securing your communications with mTLS (9min)

,

* Making a Mesh in Multi-Cloud with Consul

,

RHEL:

* How to Install and List Red Hat Security Updates and CVEs (5min)

,

* Podman rootless containers in RHEL7

,

* PXE Lessons learned

,

* An Ansible Approach to Registering RHEL Systems

,

* Automating the Install of MariaDB 10.4 on Red Hat Enterprise Linux 8 Using Ansible (20min) , * Red Hat Enterprise Linux 8.3 beta now available, delivers production stability plus enterprise innovation

,

* Anatomy of a Linux Pluggable Authentication Modules (PAM)

configuration file

,

* CentOS Community User Survey Results

,

* 20 CentOS Server Hardening Security Tips – Part 1

,

* 23 CentOS Server Hardening Security Tips – Part 2

,

* How to use Red Hat Smart Management to fix RHEL issues found by Red Hat Insights with the push of a button

,

* Redefining RHEL: Introduction to Red Hat Insights – 2020 Update

,

* CentOS Linux, CentOS Stream and the Boot Hole vulnerability

,

* CentOS Community newsletter, August 2020 (#2008)

,

* CentOS CPE Weekly: 2020-07-05

,

* CentOS CPE Weekly: 2020-07-25

,

* How to Install Open Classifieds on CentOS 7

,

CERTIFICATIONS:

* Red Hat Learning Subscription News Flash 5: First look at Red Hat Remote Certification Exams (1min)

,

* New training course: Building Resilient Microservices with Istio and Red Hat OpenShift Service Mesh

,

* Red Hat certification remote exams now available

,

MISCELLANEOUS:

* Securing Tower Installer Passwords

,

* From Instrumentation to PromQL

,

* The central processing unit (CPU): Its components and functionality

,

* Linux Commands: jobs, bg, and fg

,

* Red Hat Insights: compliance

,

* LaTeX typesetting, Part 3: formatting

,

* AMA on Cinder and Glance (58min)

,

* Ansible Workshops, Value for partners

,

* Cost-conscious continuous integration in the cloud: How we cut costs on kernel testing

,

* Red Hat Insights Customer Portal Vulnerability and Knowledge base Article Integration (2min)

,

* Databases in the Microservices World (57min)

,

* Demonstrating Perl with Tic-Tac-Toe, Part 4

,

* Build a Stunning README For Your GitHub Profile

,

* 3 tips for remote sysadmins

,

* Choosing the right asynchronous-messaging infrastructure for the

job

,

* Automate virtual machine deployment with Ansible: Design

,

* Automate virtual machine deployment with Ansible: Automation

,

* Automate virtual machine deployment with Ansible: The playbooks

,

* Real-time noise suppression for video conferencing

,

* New Authentication Options on MariaDB 10.4 (9min)

,

* Manage Active Directory Objects with the New Windows AD Provider for HashiCorp Terraform

,

* Backup and restore Toolboxes

,

* Presentation of Packstack (64min)

,

* Add a repo and install a package the Ansible way

.

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