How do I install a patch? (Linux server)

[ctgraham]

@rindoherdianto, see this post:

Reversed (or previously applied) patch detected

Continuing the discussion from How to upgrade in a noob language: This message indicates that a part of the upgrade appears to have been already completed beforehand. This usually occurs when someone has manually applied a patch to fix a bug in the old version. The new version will contain the same fix(es). You probably want to select “n”: no, do not reverse the previously applied changes. In the broader picture, however, patch-based upgrading is discouraged. If you are maintaining local …

Note that patch based upgrading is discouraged in favor of “full package” upgrades.