Dear customers of my RHCSA® or RHCE® video courses and/or my Cert Guides, on this site you will find additional training materials. 

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UPDATED RHCSA EX200 EXAM

Major update to the RHCSA EX200 exam announced by Red Hat, which will be effective October 1, 2020. This is how to prepare.

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FREQUENTLY ASKED QUESTIONS

With the new RHCE being about Ansible instead of advanced Linux topics (like it used to be), was RHCSA updated to include those Advanced Linux topics? Or did that content get moved to RHCA Performance Tuning/Troubleshooting?

Advanced Linux topics have not been included in RHCSA, although RHCSA has become a bit more advanced by including topics about container management, shell scripting, VDO and Stratis. To cover more advanced topics, Red hat has created a new course, the RH358, Red Hat Services Management and Automation.

I have successfully created an iSCSI target configuration, and verified that I was able to access it, but after a reboot of the iSCSI target server, my entire configuration has disappeared. Do you have any idea what I did wrong?

The configuration that you create relies on the availability of the target server.

So right after creating the configuration using targetcli, use systemctl enable target on the target server.

On a restart, this service looks for the configuration file /etc/target/saveconfig.json.

If however your server is restarted without the target.service being enabled, and you start it manually later on, it will create a new and empty /etc/target/saveconfig.json.

Fortunately, while working in targetcli, backup configurations are created.

To restore the last working configuration, open the targetcli shell, and from there type the restoreconfig command.

It will show you a list of previously (automatically) saved configurations, from which you only have to load the last working configuration to revert to the previous state.

I want to get an overview of all authentication related settings, because I’m getting so confused between nslcd, sssd, krb5 and all the other backends that are used. Is there an option to get an easy overview?

Yes there is! Just use authconfig –test, and you’ll get an exact overview of everything that is configured regarding authentication.

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MY PROMISE TO YOU

Linux trainer Sander van VugtWith my Red Hat video courses and books I want to offer you high quality training materials for affordable prices.

In case you are dissatisfied with (parts of) my trainings, courses or books in a way you think you did not get the value you expected, please let me know.

I would be happy to find a solution and help you to become an outstanding Linux Expert.

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