Blog Archives

New interesting articles.

There were several interesting articles recently published: a LWN.net article about the new security oriented Systemd directives, a RedHat article about the Deprecation of Insecure Algorithms and Protocols in RHEL 6.9, a Dan Walsh article about 50 ways to avoid

Posted in Others

Happy new year 2017!

This week was the opportunity for two new tutorials: How to install an Etherpad service How to install a Mediawiki service I wish you a happy new year 2017 and a lot of success in everything you try!

Posted in Others

Merry Christmas!

Several very interesting articles were recently posted by Red Hat employees: Performance Analysis with Performance Co-Pilot by Terry Bowling, Spring Cloud for Microservices Compared to Kubernetes by Bilgin Ibryam, Configuring and Using Persistent Memory in RHEL 7.3 by Jeff Moyer. In addition, after a few

Posted in RHEL7

CentOS 7.3 released.

More than a month after the announcement of RHEL 7.3, it is now time for the release of CentOS 7.3, also called CentOS 7 (1611). In the Releases Notes appear the following major changes: Support for the 7th-generation Core i3,

Posted in RHEL7

Main reasons for failure at the RHCSA exam.

Through this website I get feedback from many people taking Red Hat exams. Hopefully, concerning the RHCSA exam, a lot of them pass it with flying colors but some fail too. So I get a good idea of the reasons why failure

Posted in RHEL7

New book about KVM.

Until now there was almost no book about KVM in English. This lack is fulfilled. Three people, working for Red Hat, have published a book called Mastering KVM Virtualization in August and this book provides an extensive coverage of this technology. So,

Posted in Others

RHEL 7.3 Firewalld new features.

From RHEL 7.0 to RHEL 7.2, Firewalld didn’t really evolve (v0.3.9.7 -> v0.3.9.14). It was mainly a matter of bug fixes. As usual with RedHat, Systemd already showed it, new Firewalld features are triggered by backport difficulties: as new bugs are found, fixes

Posted in RHEL7

RHEL 7.3 officially released.

Yesterday, Red Hat announces the official release of RHEL 7.3. To know more about this new version you can read a summary of the RHEL 7.3 changes or the RHEL 7.3 Release Notes. Be careful when upgrading to RHEL 7.3,

Posted in RHEL7

New RedHat Summit 2016 videos.

It’s more than three months after the event that RedHat publishes some new videos. And we are talking about 60 videos! People like me, who were disappointed by the lack of good technical videos right after the event, can now

Posted in RHEL7

Bad experience with RedHat hands-on labs & exam.

Note: This is a translation of an article about the experience of a French guy following RedHat hands-on labs and taking the RHCE exam (source in French here). This document was published on October the 12th 2016 and is under

Posted in RHEL7

RHCSA7: Task of the day

Allowed time: 5 minutes.
Add 100MB of swap space to the machine using a new logical volume.

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!".

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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