Blog Archives

RHEL 7.4 planned features and other news.

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. Release notes are available here. Also,

Posted in RHEL7

Red Hat Summit 2017.

The annual Red Hat summit 2017 happened last week. The first videos are available on the Red Hat summit channel on Youtube. Some presentations have already been published about: the Red Hat security roadmap, the Red Hat Ceph storage roadmap, the Red

Posted in RHEL7

Do you know Cockpit?

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:

Posted in RHEL7

What’s new with NetworkManager?

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

Posted in RHEL7

What’s new with RHEL 7 CGroups?

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

Posted in RHEL7

RHEL 6.9 just released.

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

Posted in RHEL6

Death of Docker?

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:

Posted in Others

New interesting articles.

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

Posted in RHEL7

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

Upcoming Events (CET)

There are no events.

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.
Set up a caching-only DNS server to forward DNS queries.

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 ...