From owner-freebsd-stable Thu Jul 20 18:12:48 2000 Delivered-To: freebsd-stable@freebsd.org Received: from voyager.bxscience.edu (voyager.bxscience.edu [167.206.32.174]) by hub.freebsd.org (Postfix) with ESMTP id C756F37C24D for ; Thu, 20 Jul 2000 18:12:39 -0700 (PDT) (envelope-from chenkinj@voyager.bxscience.edu) Received: from voyager.bxscience.edu (localhost.bxscience.edu [127.0.0.1]) by voyager.bxscience.edu (8.10.0/8.10.0) with ESMTP id e6L1CW658832; Thu, 20 Jul 2000 21:12:32 -0400 (EDT) Message-Id: <200007210112.e6L1CW658832@voyager.bxscience.edu> To: Tom , freebsd-stable@freebsd.org Subject: your mail In-reply-to: (Your message of Thu, 20 Jul 2000 18:08:06 PDT.) Date: Thu, 20 Jul 2000 21:12:32 -0400 From: Jared Chenkin Sender: owner-freebsd-stable@FreeBSD.ORG Precedence: bulk X-Loop: FreeBSD.ORG In message , Tom writes: >On Thu, 20 Jul 2000, Jared Chenkin wrote: > >> In message <200007202035.e6KKZ9V14881@dna.tsolab.org>, "Dan Ts'o" writes: >> >> Does su have some kind of a built-in nohup option? If I su to root and >> >> execute a command or shell script and then disconnect (ie, quit the terminal >> >> software I'm running, which in my case is an ssh session) whatever I was >> >> last running su'd as root continues to run until I manually kill it. >> >> Random question, but do you actually log out or do you just close the >> ssh window? I notice that very often users on my system simply close >> their telnet windows and the process does not die (namely the shell). >> It became a real annoyance when telnetd(8) would start turning away >> successful logins, complaining that all ttys were used up. > > Good Telnet clients should actually close the socket before quiting, and >good OSes will automatically close any sockets left open when an >application quits. Either of these would eliminate the problem you see. >However, if a client crashes TCP keepalives should eventually timeout the >socket on the server. There is a sysctl that forces TCP keepalives for >all sockets that can be handy for services that don't necessarily use >them. However, the telnetd service on FreeBSD uses keepalives by default. > > >Tom >Uniserve > We're talking about the telnet client that comes with Windows 95/98 ... I didn't say that there was anything *good* about it :) Thanks for the feedback but I was possibly attempting to make a point to an earlier query (if you didn't notice..) The problem no longer persists on my system, but thanks for the thought. Live Large, Jared Chenkin (AIM: DevNull24) Networked Systems Administrator Bronx Science Computing To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-stable" in the body of the message