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From: John Nielsen <lists@jnielsen.net>
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Date: Thu, 21 Aug 2008 13:36:21 -0400
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Cc: sbremal@hotmail.com
Subject: Re: /etc/groups gone
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I would start by comparing the contents of /usr/ports/GIDs with the ports 
you have installed (as listed in /var/db/pkg). You can get a stock group 
file from src/etc/group. Reinstalling ports will recreate the groups they 
use (though you could do most of it manually), and you may be on your own 
for any custom groups you have.

On Thursday 21 August 2008 12:05:49 pm sbremal@hotmail.com wrote:
> Hi,
>
> Yesterday night at 1 a.m. I have managed to remove /etc/groups (rm
> instead of vi, was already sleepying). Luckily only a few groups (2-3)
> was created earlier. No backup, "of course".
>
> I believe the file system is still correct, it uses group IDs instead
> of names (?). Though ls does not show the correct group names (only
> IDs) and creating new groups will reuse the old group IDs.
>
> Is there any better way of rebuilding /etc/groups than guessing and
> manually adding one-by-one.
>
> Can I somehow list all group IDs used by the file system?
>
> Many thanks.
>
> Balazs
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