Permissions

rosewood · 04-20-2009, 11:08 AM

Hi All,

I have a installed oracle on Redhat 5. I want to grant execute permission on oracle files to other user 'A' which is in same group. Could you please help me the command.

I accidentally executed chmod 7777 to oracle dir. The original permissions are look like drwx------ what is command to put it back the original permissions.

Any ones help is much appreciated.

Thanks

Robhogg · 04-20-2009, 11:27 AM

You shoud be able to restore the original permissions with:

Code:

chmod 0700 dirname #basic permissions
chmod a-s dirname #remove setuid bits

To grant execute permissions for all files within a particular directory for everyone in the group owning the files (as well), you would use:

Code:

chmod -R 0750 dirname # set all permissions (-R means recursive, or:
chmod -R g+rx dirname # add read and execute permissions specifically for the group

This will also add read permission for the group (execute permission is not worth much if you can't read a file). See man chmod for more.

Was this what you were looking for?
Rob

rosewood · 04-20-2009, 11:38 AM

Hi Robhogg,

Thanks a lot for your help. It it is working perfect. I got one error one I execute following command.

oraapps> chmod -R g+rx portal
chmod: nmb: cannot change mode [Operation not permitted]
chmod: nmo: cannot change mode [Operation not permitted]
chmod: ssomigrate: cannot change mode [Operation not permitted]

Do you think because those files are owned my root ?

Thanks

Robhogg · 04-20-2009, 11:48 AM

It could be. You could check who owns them with ls -l filename

Another possibility, though, is that additional file attributes have been set. lsattr filename would show you whether, e.g., the immutable bit has been set (an i in the output). If so, you could use chattr to change the attributes.

However, some files are not meant to be directly executable, or even accessible, by ordinary users - I'd want to do a bit of Googling or check the documentation if the attributes or ownership of these files is different from all the others.

rosewood · 04-20-2009, 11:52 AM

Thanks a lot Robhogg for your help