Monthly Archives: April 2016

RHEL 7.2 CPUQuota resource control option.

Since Systemd v213 and consequently with RHEL 7.2, a new resource control option called CPUQuota is now available. Last year I wrote a post on the CPUShares option. I decided to revisit it with this new CPUQuota option. Caution: The

Posted in RHEL7

MariaDB syntax help.

One of the main changes that occurred in the RHCE 7 exam was the new objective regarding MariaDB. You can be a very experimented system administrator and never deals with databases. Not only you are asked to install the database

Posted in RHEL7

A powerful debugging tool.

Most system administrators know the tail command. By default, it displays the 10 last lines of a file. The -f option is less known. Besides displaying the last 10 lines of a file, it mainly provides a way to watch

Posted in RHEL7

RHCSA7: Task of the day

Allowed time: 8 minutes.
Find all files bigger than 100MB and write their names into the /root/results.txt file.

RHCE7: Task of the day

Allowed time: 8 minutes.
Set up an iScsi target based on a fileio backstore of 100MB called /opt/shareddata with CHAP authentication (username=usr/password=pwd), xfs filesystem and standard firewall configuration.

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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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