From owner-freebsd-hackers  Fri Mar  1  1: 2: 6 2002
Delivered-To: freebsd-hackers@freebsd.org
Received: from cain.gsoft.com.au (genesi.lnk.telstra.net [139.130.136.161])
	by hub.freebsd.org (Postfix) with ESMTP id A8B9237B405
	for <freebsd-hackers@FreeBSD.ORG>; Fri,  1 Mar 2002 01:01:55 -0800 (PST)
Received: from localhost (root@localhost [127.0.0.1])
	by cain.gsoft.com.au (8.12.2/8.12.2) with ESMTP id g2191oZR078619;
	Fri, 1 Mar 2002 19:31:51 +1030 (CST)
	(envelope-from doconnor@gsoft.com.au)
Subject: Re: how do I see the current number of PTYs in use ?
From: "Daniel O'Connor" <doconnor@gsoft.com.au>
To: Paul Halliday <dp@penix.org>
Cc: Patrick Thomas <root@utility.clubscholarship.com>,
	freebsd-hackers@FreeBSD.ORG
In-Reply-To: <Pine.LNX.4.33.0203010213080.12404-100000@saruman.xwin.net>
References: <Pine.LNX.4.33.0203010213080.12404-100000@saruman.xwin.net>
Content-Type: text/plain
Content-Transfer-Encoding: 7bit
X-Mailer: Evolution/1.0.2 
Date: 01 Mar 2002 20:31:49 +1130
Message-Id: <1014973312.18005.22.camel@chowder.gsoft.com.au>
Mime-Version: 1.0
X-Scanned-By: MIMEDefang 2.3 (www dot roaringpenguin dot com slash mimedefang)
Sender: owner-freebsd-hackers@FreeBSD.ORG
Precedence: bulk
List-ID: <freebsd-hackers.FreeBSD.ORG>
List-Archive: <http://docs.freebsd.org/mail/> (Web Archive)
List-Help: <mailto:majordomo@FreeBSD.ORG?subject=help> (List Instructions)
List-Subscribe: <mailto:majordomo@FreeBSD.ORG?subject=subscribe%20freebsd-hackers>
List-Unsubscribe: <mailto:majordomo@FreeBSD.ORG?subject=unsubscribe%20freebsd-hackers>
X-Loop: FreeBSD.ORG

On Fri, 2002-03-01 at 19:51, Paul Halliday wrote:
> On Thu, 28 Feb 2002, Patrick Thomas wrote:
> 
> >
> > (asked on -questions and got no response, also did a `sysctl -a | grep
> > pty` and only saw error messages)
> >
> > I am trying to troubleshoot something - the bad thing that is happening is
> > that I try to create new `screen` windows and I get 'No more PTYs'.  I
> > know how to add more PTYs, etc., and I am not asking how to do that - I am
> > simply asking:
> >
> > How do I, when I am told I have no more PTYs, know whether I just hit 32
> > out of 32, or 128 out of 128, or what ?  I want to know how many PTYs I
> > have available, and how many are in use.
> >
> > How do I do that ?
> 
> ls /dev | grep pty | wc -l
> who | awk '{print $2}' | grep p | wc -l
> 
> ;P

This ->
fstat | awk '{print $8}' | egrep 'tty[pqrsPQRS]' | wc -l

Is much more accurate.
(ie on my machine who only shows 4 entries :)

---
Daniel O'Connor software and network engineer
for Genesis Software - http://www.gsoft.com.au
"The nice thing about standards is that there
are so many of them to choose from."
  -- Andrew Tanenbaum


To Unsubscribe: send mail to majordomo@FreeBSD.org
with "unsubscribe freebsd-hackers" in the body of the message