 | | | unknown user and group ids | unknown user and group ids 2005-07-01 - By Dave Ihnat
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On Fri, Jul 01, 2005 at 09:50:13AM -0400, Warren Lamboy wrote:
> <<Complains about unrecognized user, group IDs>>
> ...
> For example I have some directories owned by userid = 608 and
> groupid=20012. Neither of these are valid according to Red Hat
> User Manager (with no filter on the user and group list).
First, please recall that the numeric userid/groupid is the REAL
owner/group of a filesystem object; it's a courtesy to weak human memories
that Unix/Linux associates these numbers with the names in /etc/passwd
and etc/group.
> Can someone tell me how these ids might be getting assigned to files and
> directories on this system?
If you've a userid/groupid that doesn't map to one in the passwd/group
file, it most likely resulted from something like unpacking a tar file
from a foreign system as root. In such a case, the original userid/groupid
from the foreign system will be retained.
Whenever you encounter such files and/or directories, determine who SHOULD
own them and use chown to reassign ownership.
AFAIK, there's no specific tool to identify such filesystem objects--probably
because slapping a script together to traverse the filesystem and find them
is pretty trivial.
G'luck,
--
Dave Ihnat
ignatz@(protected)
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