Re: [CentOS] can non-owner change file group setup?

mcclnx mcc wrote:

I don't think that is true: (my login ID are member of DBA and OINSTALL group)

$ ls -al total 13936 drwxrwxrwt 8 root root 4096 May 13 04:02 . drwxr-xr-x 32 root root 4096 Feb 11 15:36 .. -rwxrwxr-- 1 oracle dba 9 May 11 20:50 aabb

$ chgrp oinstall aabb chgrp: changing group of `aabb': Operation not permitted

Correct - you can't change the existing file. However, you can replace it if you have write access in the containing directory: cp aabb aabb.tmp chgrp oinstall aabb.tmp mv aabb.tmp aabb

You'll change the owner and break any other hard links as a side effect too.