Monthly Archives: May 2016

Postfix testing made easy.

Traditionally, to test the configuration of Postfix you had to install a full featured DNS server. This was due to the MX records mechanism. When you send a mail outside, the MTA (Mail Transfer Agent) sends a request to the DNS server responsible (the

Posted in RHEL7

RHEL 6.8 just released.

The RHEL 6.8 has just been released and brings the following main benefits: it enhances security by replacing openswan with libreswan as VPN endpoint solution, it makes integration with Active Directory easier through SSSD improvements (cached authentication lookup, authentication via

Posted in RHEL6

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 default secure MariaDB database called maria and create a table named people with two columns respectively name varchar(20) and age int(10) unsigned.

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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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