Back in September 2016, an event went unnoticed, although it was a fundamental change. Google and RedHat declared the game is over: they decided to fork Docker. Why did they decide to do that? Redhat had several reasons: Container conception:…
Several technical articles were recently published: Do we really need swap in modern systems?, Avoiding clock drift in VMs, What capabilities an application requires to successfully run in a container, Kernel patching with kexec: updating a CentOS 7 kernel without a…
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…
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…
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…
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…
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!
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…
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,…
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…
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