How to unregister R12 while OID is corrupted


If OID is corrupted and you want to forcefully deregister OID from R12, run the following command.
$FND_TOP/bin/txkrun.pl -script=SetSSOReg -removereferences=yes

libXtst.so.6 cannot open shared object file error during Oracle Installation

The "libXtst.so.6 cannot open shared object file" is quite common if you install any oracle product on 64bit system and misses something in the system