- Plesk for Linux
How to exclude a system package from update?
Go to Tools & Settings > Update Settings (Update and Upgrade Settings in Plesk Onyx) and switch to the All Packages tab.
Search for package(s) that should be excluded from update.
Select the package(s) using the check-box and click Lock.
In the confirmation window, click OK.
Packages that have been prevented from updates will now be marked with a grey lock.