TuneD

[root@rhel9-a ~]# apropos tuned
tuned (8)            - dynamic adaptive system tuning daemon
tuned-adm (8)        - command line tool for switching between different tuning profiles
tuned-gui (8)        - graphical interface for configuration of TuneD
tuned-main.conf (5)  - TuneD global configuration file
tuned-profiles (7)   - description of basic TuneD profiles
tuned.conf (5)       - TuneD profile definition
````

List available profiles:

```bash
tuned-adm list
````

Show currently active profile:

```bash
[root@rhel9-a ~]# tuned-adm active
Current active profile: virtual-guest

Profile recommendation?

[root@rhel9-a ~]# tuned-adm recommend
virtual-guest

Turn off tuning:

[root@rhel9-a ~]# tuned-adm off
[root@rhel9-a ~]# tuned-adm active
No current active profile.

Re-activate tuning and confirm:

[root@rhel9-a ~]# tuned-adm profile virtual-guest
[root@rhel9-a ~]# tuned-adm active
Current active profile: virtual-guest