chown as non-root
I am using Red Hat Linux version 2.6.9-34
I am looking for a system parameter to set that allows other users than root to issue the chown command.
Standard this is not allowed but i need to override it.
I know on Solaris this is possible. What abaout This version of Linux?
Check for sudo user.
Command : visudo as a root user.
File : /etc/sudoers
Check manual pages for further info.
chown is in /usr/bin thus is available to all users. Any user can chown files they own. If you want to allow them to chown files they do not own, then yes, sudo will work.
Also check out the PAM (Pluggable Athentication Modules) facility. And ACLs (Access Control Lists).
Check out these info pages:
The PAM facility allows you to configure the authentication mechanisms which will apply to all kinds of tests. For example, on many systems only members of the wheel group may issue the command su. But why? The answer is "PAM."
The ACL facility allows you to define more fine-grained access controls for resources (such as files) than those which are provided by the usual Unix-style protection mechanisms. You may well find that, with proper use of this facility, you don't need to fiddle with chown anymore. (Windows has a similar facility.)
sudo is not an option in my case.
=> Situation is that i have a lunix cluster with StorNext filesystems shared to HP-UX clients. So the security needs to follow the shares on the clients.
i only need to allow a user to chown files he owns, but even that is restricted to root in new linux versions. Again sudo or su is not an option.
I will do some tests with PAM & ACL's. See what i can arrange, but i'm not convinced it will help.
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