Installing tuned and managing tuning profiles

Hopefully, after a bit of scaremongering happening in the previous section, you already have a mindset prepared for an easier path.

Just in case, ensure the tuned package is installed, or install it with dnf –y install tuned. The package provides a tuned service that must be enabled and started for operation; as a refresher, we achieve this by running the following command:

systemctl enable tuned
systemctl start tuned

We're now ready to interact and get more information about this service, which announces itself at dnf info tuned as a daemon that tunes the system dynamically based on some observation and is currently acting on an Ethernet network and hard disks.

Interaction with the daemon is performed via the tuned-adm command. For illustration, we're showing in the following screenshot the command-line options available and a list of profiles:

Figure 16.5 – The tuned-adm command...