/etc/groups gone

[Paul A. Procacci]

John Nielsen wrote:
> 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 at 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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>
>
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>   
 /var/backups might have various backups of those important files.  
Might want to tcheck that out.