Monthly Archives: April 2017

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

RHCSA7: Task of the day

Allowed time: 5 minutes.
Create two users "tom" and "engine". "tom" has the UID/GID 3000 and "engine" the UID/GID 4000. "engine" doesn't have an interactive shell.

RHCE7: Task of the day

Allowed time: 10 minutes.
Set up a NFS server that exports the /opt directory in read-only mode.

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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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