[CentOS] Determine next UID number

Stephen Harris lists at spuddy.org
Wed Oct 13 23:42:56 UTC 2010

On Wed, Oct 13, 2010 at 06:16:26PM -0500, Les Mikesell wrote:
> On 10/13/2010 6:01 PM, Stephen Harris wrote:
> > lastlog is a sparse file.  How it looks and how big it is are two
> > different things.
> And how long it takes to copy if you back the system up is a 3rd thing. 

Get better backup software that understands sparse files.  You'll have the
same problem with dbm files and similar.

>   But if you've truncated to 32 bits it might be tolerable anyway.  On 

The bit-size of the OS is irrelevant to the maximum file size.  Otherwise
we'd still be stuck at 2Gb (maybe 4Gb) files on 32bit systems.
> 64-bit centos3, nfsnobody made that somewhat awkward, at least in the 
> early versions - it might have been fixed eventually.

People logged in as nfsnobody?  That's the only way lastlog should get
that entry.   Then you have bigger problems...



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