Date: Sat, 16 Mar 1996 10:47:50 -0600 (CST) From: Joe Greco <jgreco@brasil.moneng.mei.com> To: map@iphil.net (Miguel A.L. Paraz) Cc: freebsd-isp@freebsd.org Subject: Re: csh hanging around after disconnect Message-ID: <199603161647.KAA24399@brasil.moneng.mei.com> In-Reply-To: <199603161611.AAA07898@marikit.iphil.net> from "Miguel A.L. Paraz" at Mar 17, 96 00:11:14 am
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> I wrote:
>
> > > How is this done? Is this a separate daemon, or an option to compile
> > > in these daemons?
>
> Joe Greco wrote:
>
> > It's something that doesn't exist but would be implemented by adding a
> > little code to all the networking daemons. Particularly the daemons without
> > timeouts..
>
> Looks like a bigger task than it should be. Perhaps this should
> be more configurable... or compilable with a #define, ISP -
> "define -DISP if you're running the daemons on an ISP machine."
Actually, people may frown on this, but I'd sorta like a way to define the
use of keepalives as a systemwide default..
> The effect is the machine runs out of ptys. I would want to
> install that, but this is a client machine that runs remotely,
> and I don't want to take chances unless I'm on-site.
:-)
> > > Another way - can we looked through the logged in users at regular
> > > intervals and find out who's disconnected? You could compare this
> > > against the list of logged in users ('show sessions'), but
> > > we'd have to differentiate from users who are telnetted in from
> > > somewhere else...
>
> > No, that gets to be very difficult very quickly.
>
> Yes... is there any other way?
Not really.
> On another client box, a Linux machine that did the PPP by itself,
> I made a script that kills all user processes when the user logs out.
> Drastic... but stray user processes were screwing up the
> accounting.
That only worked coincidentally... you had just the right circumstances. A
more general problem is, for example, a busy news server... you don't have
folks logging in and out.
... Joe
-------------------------------------------------------------------------------
Joe Greco - Systems Administrator jgreco@ns.sol.net
Solaria Public Access UNIX - Milwaukee, WI 414/546-7968
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