On Thu, Jun 07, 2012 at 07:27:23AM +0800, Ed Greshko wrote:
> On 06/07/2012 05:26 AM, Erik P. Olsen wrote:
> > I have a number of F14 partitions which must be mounted unchanged on the new F16
> > system. It turns out that I get unexpected permission problems with this approach.
> > I use the same user name on both systems but on F14 I got userID 500 whereas on F16
> > it became 1000. I wasn't aware of that but learned it the hard way. When I chowned
> > the permissions to 1000:1000 it worked on F16 but now not on F14.
> >
> > What is the proper way to fix this problem? I am tempted to reinstall F16 and force
> > my userID to 500, but the system warns me not to create userIDs < 1000. It is not
> > feasible to clone the partitions due to space constrains so I am not able to have
> > identical partitions with different permissions.
> >
>
> The "proper" way to fix this is to do it on the F14 system.
>
> Change your password entry to have uid:gid of 1000:1000. Make the change to the
> group file to change it to 1000 as well.
>
> Then, go to all the top of all partitions/directories owned by 500 and chown -R
> 1000:1000. In other words, make all the changes on the F14 side.
And if you're looking for a shortcut command line, as root:
find / -uid 500 -exec chown 1000 '{}' \;
find / -gid 500 -exec chgrp 1000 '{}' \;
> I had to go through this process when I installed F16 since my RHELv4 system had me
> as 500:500 and I NFS mount my directories from there. Just took 5 or so minutes.
>
> Reinstalls are never needed to change a user's gid/uid.
+1
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Paul W. Frields http://paul.frields.org/
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