Many technical articles were published in the last two months: OpenShift / Kubernetes: What’s new in Kubernetes 1.7? Extensibility rules, Minishift as a Development Environment for Node.js on OpenShift, KDL: A Notation to Describe Kubernetes Application Deployments, Multiple Deployment Methods…
Until one or two years there was almost no online trainings for the RHCSA & RHCE 7 certifications. You had to take Red Hat classes or study by yourself through books. Now, companies like EdX, Udemy and LinuxAcademy to name…
If you like containers, at some point you will deploy them into production. And you will need a dedicated server to host them. Atomic Host is the RedHat solution for this. It is a lightweight version of RHEL/CentOS 7 (there…
I don’t know if you have already heard about CPU governor. With the global warming, IT culture should integrate the various mechanisms available for reducing computer consumption. In a perfect world, during the idle periods servers should adjust their clock frequency…
At the Red Hat annual summit the main planned features of RHEL 7.4 were disclosed. You can find them in a dedicated page. In addition, as of today, the RHEL 7.4 Beta has been released. Also, new interesting Red Hat summit…
The annual Red Hat summit 2017 happened last week. The first videos are available on the Red Hat summit channel on Youtube. Besides presentations you can also practice through: a lab about containerizing applications, a lab about container internals, an OpenShift demo about…
Until recently I didn’t know what was exactly the Cockpit project. I thought it was a new complicated panel for administrators looking for a GUI. Difficult to install, to maintain, to understand … In fact, it is just the contrary:…
NetworkManager big update From RHEL 7.2 to RHEL 7.3, NetworkManager moved from v1.0.6 to v1.4.0: a lot of things have changed. Color is everywhere! NetworkManager now uses colors to match the status of a device or a connection and sorts…
Since RHEL 6, CGroups have been a work in progress. So, in RHEL 7 features evolved through new Systemd commands like systemd-cgls, systemd-cgtop, and mainly systemctl set-property. Still through Systemd, RHEL 7.0 brought the CPUShares (percentage of CPU), MemoryLimit (memory…
The RHEL 6.9 distribution has just been released and brings the following main benefits: TLS 1.2 support has been added to all system components, several SSSD improvements have been made in connection with AD forests and PAM services, the cpuid…
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