[CentOS] Re: useradd: unable to lock password file

Thu Sep 1 05:34:25 UTC 2005
Sean O'Connell <oconnell at soe.ucsd.edu>

On Thu, 2005-09-01 at 15:32 +1000, Nick Bryant wrote:
> > On 8/31/05, Nick Bryant <list at everywhereinternet.com> wrote:
> > > Ok $200USD for anyone who can help me fix this now.... rebooted and it
> > > doesn't say the file is locked anymore... the useradd command just
> > doesn't
> > > die or return anything and just sits there chewing data :(
> > >
> > > Man down.
> > >
> > 
> > How about pwck and/or grpck ?
> > 
> > And if that fixes it, send the money to the CentOS developers.
> > 
> 
> Be glad too.
> 
> Ok I think I found the problem... is there a maximum number of entries in
> /etc/passwd? I just removed the last 1000 lines and its working again, total
> entires in the file now 59463. 
> 
> Problem is its really slow to add new users now (around 10 seconds). We have
> several scripts that create newusers so I guess that's what caused the
> locking situation.
> 
> Could a corruption be whats slowing it down (running pwck -r now) or am I
> just approaching the limits of a flat file auth scheme?

Take a look at /etc/login.defs the stock max UID is 60000.

Sean