Telnet limit /dev/pts/0-2048

Bill Warner plug-discuss@lists.plug.phoenix.az.us
17 Sep 2002 17:07:10 -0700


Does anyone know if this is high/average/low compared to the numbers on
other unixes?

Mainly wondering about AIX.  That looks like our only other option to
move to.

Thanks
Bill

On Tue, 2002-09-17 at 13:52, Matt Alexander wrote:
> Hmm...  you may be stuck at 2048...
> http://people.redhat.com/alikins/system_tuning.html#pty
> 
> 
> On Tue, 17 Sep 2002, Matt Alexander wrote:
> 
> > If you've got a spare box to test on, you could try increasing the
> > MAX_NR_CONSOLES in tty.h for your kernel and then recompiling.
> > ~M
> >
> >
> > On 17 Sep 2002, Bill Warner wrote:
> >
> > > It seems the kernel has a limit on the Unix98 ptys to 2048.  We have
> a
> > > server that needs to have ~3000 telnet sessions running due to
> tripling
> > > capacity.  Is there any way to get this many telnet sessions into a
> > > linux box?
> > >
> > > Thanks
> > > Bill
> > >
> > > PS I know the bad parts of using telnet.  There has been great care
> > > taken to restrict users to a single application and there is only
> > > minimal chance of getting any more access from a standard username
> and
> > > password.
> > > --
> > > Bill Warner
> > > Unix/Linux Admin.
> > > Direct Alliance Corporation
> > >
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-- 
Bill Warner
Unix/Linux Admin.
Direct Alliance Corporation

Company required stuff:

Contents are Direct Alliance Corporation Confidential

This message is for the designated recipient(s) only and contains
Direct Alliance Corporation privileged and confidential information.
If you have received it in error, please notify the sender immediately
and delete the original. Any other use of this email is prohibited.