Monthly Archives: November 2014

Yum transaction history.

Since RHEL 6, a transaction history has been added to the yum command. This feature allows you to precisely know which packages have been installed on a server and in which order. In addition, you can undo or redo any

Posted in RHEL7

RHEL 7 Tuning profiles.

If you need to configure a server for a specific task (for SAP, with reduced network latency, for maximum throughput, as a desktop, as a virtual host, etc), a dedicated tool already existed in RHEL 6: tuned-adm. This tool still

Posted in RHEL7

RHCSA7: Task of the day

Allowed time: 10 minutes.
Create two new user accounts "steve" and "oliver".
Create a group "team". Create a directory "shared".
All files put into the "shared" directory by "steve" or "oliver" should belong to the "team" group and be only visible by them.

RHCE7: Task of the day

Allowed time: 10 minutes.
Change the SSH process configuration to only listen on the 443 port.

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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