If you have a fresh install of OEL 4.
If you have installed the Oracle grid control agent.
If you have allready executed « root.sh » script but you’re sticked with an « NMO not setuid-root » error while cloning Oracle Home or anything else.
Then you have to set correct ownership to some files :
$ chown root $ORACLE_HOME/bin/nmo
$ chmod 6750 $ORACLE_HOME/bin/nmo
$ chown root $ORACLE_HOME/bin/nmb
$ chmod 6750 $ORACLE_HOME/bin/nmb
now « Try Again »!