Re: Need to change guids and uids

You've pretty much got it.

don't touch /proc.

Have the users your changing logged out when you make the changes.

Otherwise it looks good. Though I usually just edit /etc/passwd|
group by hand.

On Jan 27, 2006, at 5:40 PM, Mark Phillips wrote:

> I have three Debian sarge machines on a network. Two servers
> (softball and
> gandalf) have kernel 2.6 and the laptop (latitude610) has kernel
> 2.4. I wanted
> to share some file space from the two servers, so I installed NFS
> and BAM hit
> the wall.
>
> I have no problems reading/writing from latitude610 to gandalf, but
> I can only
> read files on softball from latitude610.
>
> I believe that the reason is that the uid/guids for user mark are
> the same on
> gandalf and latitude601 (1000:1000), but different on softball
> (1001:1001).
> Can this be the reason?
>
> The plot thickens because there is already a user (emily) on
> softball with a
> guid/uid of 1000:1000.
>
> After some poking around, I came up with this possible solution:
>
> # On softball - change emily's uid/guid and files
> usermod -u 1010 emily
> groupmod -g 1010 emily
>
> # Change all files owned by emily to the new emily
> find / -uid 1000 -exec chown -v emily:emily {} \;
>
> # On softball - change mark's uid/guid and files
> usermod -u 1000 mark
> groupmod -g 1000 mark
>
> # Change all the files owned by mark to the new mark
> find / -uid 1001 -exec chown -v mark:mark {} \;
>
> Will this work?
>
> Also, when I do a find / -uid 1000 on softball, I get a lot of /
> proc/xxxxx
> hits. Do I need to change these as well, or will they go away when
> I reboot?
>
> Should I make these changes after booting softball in single user
> mode?
>
> Is there a better way to solve this problem? Samba? Quit and just
> drink beer?
>
> Thanks!
>
> --
> Mark Phillips
> Phillips Marketing, Inc
> mark@phillipsmarketing.biz
> 602 524-0376
> 480 945-9197 fax
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