RHCSA RHEL 8 – Manage Tuning Profiles (tuned)

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This video is based on RHEL 8. Video to cover the section ‘Manage Tuning Profiles’ for the RHCSA (Red Hat Certified System Administrator).

More information on the required learning: http://bit.ly/rhcsa8

Notes from the video:

Within Red Hat there is a performance tuning solution name tuned, this a a focus of the RHCSA. The tuned daemon is a powerful daemon that dynamically auto-tunes Linux server perforamance based on the information it gathers from monitoring the system and its underlying components to provide the requested performance characteristics required.

To install tuned (if not already):

# dnf install tuned

To start and enable the daemon:

# systemctl start tuned

# systemctl enable tuned

Check the status:

# systemctl status tuned

To manage tuned daemon use tuned-adm, to check the currently active profile being used on the system:

# tuned-adm active

Then to get a list of the available tuning profiles:

# tuned-adm list

More information about a particular profile:

# tuned-adm profile_info powersave

To switch to any particular profile:

# tuned-adm profile powersave

Confirm is active:

# tuned-adm active

To apply the recommended profile on the system:

# tuned-adm recommend

Finally to disable the tuning:

# tuned-adm off