Carlos Santana wrote:
Thanks nate and Paul..
Do I need to use -R recursive option for any of the commands you mentioned?
-
CS.
On Tue, Jan 12, 2010 at 3:58 PM, Paul Heinlein <heinlein@xxxxxxxxxx> wrote:
On Tue, 12 Jan 2010, Carlos Santana wrote:
Hi,
I have changed directory ownership permissions recursively such that
it is owned by username:groupname , where groupname is not the
default group, i.e., username. However, when a user creates a new
file the default permissions are again username:username.
How can I give ownership permissions on a particular directory so
that any files created in that directory will always have specifc
username:groupname permissions?
chmod 2775 /your/directory
This will assign group ownership of any files created in
/your/directory to the group that owns that directory.
It won't, however, change user ownership. Allowing that sort of
operation would be a great avenue for a denial-of-service attach on
any filesystem with quotas.
If you need to sort out sub-directories try - where tld is top level
directory
$ find tld -type d -print0 | xargs -0 chmod 2775
if you need to clean up files (ie not directory)
$ find tld -type f -print0 | xargs -0 chmod 664
I find that openoffice chokes on files with the sticky bit set - it will
not save!
Also is there any option that would allow only owner to delete
files, even though group has rwx permissions?
chmod 3775 /your/directory
This combines the 2775 trick mentioned above with an o+s operation.
Setting the "sticky bit" on the all-users permissions allows only
owners to dispose of files. See the permissions on /tmp or /var/tmp
for an example.
--
Paul Heinlein <> heinlein@xxxxxxxxxx <> http://www.madboa.com/
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