Upgrading From Previous Oracle Linux Update Releases

You can upgrade an Oracle Linux 9 system from a previous update level to the current update level by running the sudo dnf update command.

After performing a system update where many packages are updated, we recommend that you reboot the system. System functionality might become unstable if core packages are updated and the system isn't restarted to load the most recent updates. You can check whether a system requires a restart by running:

dnf needs-restarting -r