1378188 1296 -rw-r----- 1 oracle oinstall 1319436 Jun 22 2005 /u01/app/oracle/product/10.2.0/db_1/lib/libsqlplus.aYour permissions are set incorrectly.
So , You suggest me to change install directory permission from 750 to 775.You need to change not only the directory permissions, but also change files inside accordingly, e.g. 775 or 771. 775 means, owner and group has read+write+execute, anyone else read+execute. If a user is not the oracle owner nor in the oinstall group, then permissions for others apply. Hence you need world read+execute for executable files.
-bash: ./changePerm.sh: No such file or directoryI don't have 10g installed. It's obsolete. So I cannot verify where it is, but there are plenty of references in Google. You can search for it.
Installation Doc didn't say anything to change permission related to install group ( from 750 to 775 )You might want to check the Oracle installation guide:
Is this recommended ?It's not a current standard, but was in earlier versions. It is possible to do. However, I suggest to follow the Oracle documentation. See previous link.
warning: locate: could not open database: /var/lib/slocate/slocate.db: No such file or directorySee "man locate" for info. If you don't know how to search for a file, try: