Blog Archives

Recent technical articles.

Openshift / Kubernetes: Accelerating the development of Node.js using OpenShift, Flexible Images or Using S2I for Image Configuration, Monitoring Camel with Prometheus in Red Hat OpenShift, Example of using Ansible to update Container Native Storage, OpenShift Ansible Broker: Available Now, Steps to replace

Posted in Uncategorized

Latest technical articles.

OpenShift / Kubernetes / Container: Getting Started with Buildah, Securing Kubernetes Cluster Networking, OpenShift Container Platform Reference Architecture Implementation Guides, What’s New in OpenShift 3.7 – Service Catalog and Brokers, Wiping the Slate Clean with the OpenShift Container Platform, How to

Posted in RHEL7

Kickstart community repository.

I remember the first time I had to write a Kickstart file. It was a painful experience. I tried to understand what the various keywords meant. Each attempt led me to a syntax error message. Documentation was difficult to find.

Posted in RHEL7

Recent technical articles.

Openshift / Container: Kubernetes Deep Dive: Code Generation for CustomResources, Live Code Updates Using WebDav, Principles of Container-based Application Design, Deploying Applications from Images in OpenShift: Part One: Web Console, Part Two: Command Line, Part Three: Importing Images, Kubernetes: A

Posted in RHEL7

Latest technical articles.

OpenShift / Kubernetes: JBoss A-MQ on OpenShift Cheat Sheet, Container Images for OpenShift: Part 1: Objectives Part 2: Structuring your images Part 3: Making your images consumable Part 4: Cloud readiness, Running a NuGet server on OpenShift, Guide to starting use AWX on top of OpenShift,

Posted in RHEL7

Recent technical articles.

OpenShift / Kubernetes: Evaluating Tools Available to Deploy OpenStack on Kubernetes, Fighting Service Latency in Microservices with Kubernetes, Introducing the Resource Management Working Group, Kubernetes By Example, Minishift-1.6.0 release announcement, Getting started with Helm on OpenShift, Openshift 3.6 Reference Architecture Now Includes SSO,

Posted in Others

Fourth website anniversary.

It was at the beginning of September 2013 that I decided to create this website. The content is still very focused on RHEL 7 / CentOS 7 and it will continue to be so as we know that RHEL 8

Posted in RHEL7

CentOS 7.4 released.

Six weeks after the announcement of RHEL 7.4, it is now time for the release of CentOS 7.4, also called CentOS 7 (1708). The release doesn’t only concern x86_64 architecture but also aarch64, armhfp, ppc64 and ppc64le (see download directory

Posted in RHEL7

Latest technical articles.

Containers: A Comparison of Linux Container Images, Intel® Clear Containers and CRI-O*, OpenShift / Kubernetes: EdX: Fundamentals of Containers, Kubernetes, and Red Hat OpenShift, Various techniques for packaging Java microservices on OpenShift, How Kubernetes Initializers work, Securing Kubernetes Cluster Networking, A MicroProfile-based microservice

Posted in RHEL7

Recent technical articles.

Containers: Containing System Services in RHEL: part1 / part2, What tools RedHat puts in place in the Docker ecosystem, CRI-O, Juggling backing disks for Docker on RHEL 7 using atomic storage migrate, Signed Images from the Red Hat Container Catalog, 6

Posted in Others

RHCSA7: Task of the day

Allowed time: 8 minutes.
Find all files bigger than 100MB and write their names into the /root/results.txt file.

RHCE7: Task of the day

Allowed time: 10 minutes.
Configure a httpd server that executes a Perl script in the /var/www/cgi-bin directory displaying "Hello!".

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Poll for favorite RHEL 7 book

What is your favorite RHEL 7 book to prepare RHCSA & RHCE exams?

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Poll for most difficult RHCSA 7 topic

What do you think is the most difficult RHCSA 7 topic?

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Poll for most difficult RHCE 7 topic

What do you think is the most difficult RHCE 7 topic?

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