mv OPatch OPatch_OLD_$(date +%Y%m%d)
Technically yes, but Oracle 11g is desupported. It is not recommended. Use this version only if your 11g environment has Extended Support and a specific patch requires it. opatch version 13.9.4.2.5 download
Before attempting to download OPatch version 13.9.4.2.5, ensure you meet these requirements: mv OPatch OPatch_OLD_$(date +%Y%m%d) Technically yes
opatch apply <patch_number>