Oracle 12c: How to apply Oct 21 PSU –

This activity is part of a GI upgrade from to 19c, in which we need to apply latest PSU first, so here are the steps: 1:- Patches available here: 2:- (as ROOT) Update OPACH version to latest available. ( 3:- (as ROOT) Run prepatch script. (RDBMS instances should be stopped first) 4:- GI patching:... » read more