Blog Archives

New interesting videos

If you are new to OpenStack and want to get some basic knowledge about it, Red Hat recently published three interesting videos: Defining the cloud (25min/2017), Defining the Red Hat Enterprise Linux OpenStack Platform (14min/2017), Infrastructure-as-a-Service (IaaS) and a private

Posted in Others

2017 DevConf.cz interesting videos

Last week was organized the free annual community conference for developers, admins, and users of Open Source technologies called DevConf.cz. The conference happened over three days in Czech Republic at Brno. Around 170 workshops were recorded, sorted according to the

Posted in Others

Python dependency hell.

At the beginning there was the Bourne Shell. Then, Perl was created to better deal with character strings and regular expressions. Linux came and the Bourne Shell was replaced with Bash (Bourne Again SHell) with many built-in features like integer

Posted in Others

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

Upcoming Events (CET)

There are no events.

RHCSA7: Task of the day

Allowed time: 5 minutes.
Create a user called tom. Create a directory named /private. Use an acl to only allow access (rwx) to tom to the private directory.

RHCE7: Task of the day

Allowed time: 10 minutes.
Change the SSH process configuration to only listen on the 443 port.

Poll for favorite RHEL 7 book

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

View Results

Loading ... Loading ...

Poll for most difficult RHCSA 7 topic

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

View Results

Loading ... Loading ...

Poll for most difficult RHCE 7 topic

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

View Results

Loading ... Loading ...

Recent Comments