Monthly Archives: September 2016

Firewalld documentation website.

Since RHEL 7.0, Firewalld has been subject to controversies. Newcomers find it easy to work with because it masks complexity: ports used by protocols are stored in configuration files, network masquerading is started through the simple –add-masquerade option, permanent and temporary

Posted in RHEL7

Systemd service debugging tips.

Troubleshooting a systemd service can be tricky. Because the Restart=always directive is sometimes set in the unit file, you don’t know if a service is running fine or if it is stopping and restarting all the time. The systemctl status

Posted in RHEL7

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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.
Configure a system to forward all email to a central mail server at 192.168.1.1 (change the IP address accordingly).

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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