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6.3. Adjusting Automatic Updates
Red Hat Enterprise Linux is configured to apply all updates on a daily schedule. If you want to change how your system installs updates, you must do so via Software Update Preferences. You can change the schedule, the type of updates to apply, or to notify you of available updates.
In GNOME, you can find controls for your updates at: System → Preferences → Software Updates. In KDE, it is located at: Applications → Settings → Software Updates.