<html><head></head><body>Sounds like an ssh problem. Is keepalive set on?<br><br><div class="gmail_quote">On July 31, 2019 10:03:53 AM EDT, Neal Rhodes via Ale <ale@ale.org> wrote:<blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">
<pre class="k9mail">So, about 15 years ago, when we were transitioning from SCO Unix to <br>Linux, we noticed that nohup didn't work on long running Progress <br>Database jobs.<br><br>We would start an update job via nohup, leave, several hours later the <br>ssh session would timeout, and at some point the job would get a hangup <br>signal and die. Which is sometimes really annoying if it's a 15 hour <br>job.<br><br>Our workaround at the time was a script, "mynohup":<br><br>#!/bin/bash<br>set -x<br>echo "at `date` Starting: $* " >> mynohup.out<br>echo "$* >> mynohup.out " | at now<br>set +x<br><br>Which has worked flawlessly for 14.9 years.<br><br>Now we are transitioning to new servers, running<br>2.6.32-696.30.1.el6.x86_64 #1 SMP Tue May 22 03:28:18 UTC 2018 x86_64 <br>x86_64 x86_64 GNU/Linux<br><br>inside VMs, and we experienced some awkwardness with some admin UI which <br>had Apache -> PHP -> sh -> sudo - adminuser -> mynohup something. <br>Barfing up some messages about tty devices. I thought of at least <br>unwinding the old kluge.<br><br>So, I thought, surely this has been fixed now, and tried running a job <br>via nohup from an ssh session.<br><br>Sure enough, at some point after leaving the office, the DB log <br>shows....<br><br>[2019/07/30@22:07:25.844-0500] P-28382 7: (562) HANGUP signal <br>received.<br>[2019/07/30@22:07:25.847-0500] P-28382 7: (453) Logout by neal on <br>/dev/pts/4.<br>[2019/07/30@22:07:28.241-0500] P-28439 8: (562) HANGUP signal <br>received.<br>[2019/07/30@22:07:28.241-0500] P-28439 8: (453) Logout by tdiadmin on <br>batch.<br><br>Wuh? The sole point of nohup is to not get a hangup, and ....????<br><br>regards,<br><br>Neal<hr>Ale mailing list<br>Ale@ale.org<br><a href="https://mail.ale.org/mailman/listinfo/ale">https://mail.ale.org/mailman/listinfo/ale</a><br>See JOBS, ANNOUNCE and SCHOOLS lists at<br><a href="http://mail.ale.org/mailman/listinfo">http://mail.ale.org/mailman/listinfo</a><br></pre></blockquote></div><br>-- <br>Sent from my Android device with K-9 Mail. All tyopes are thumb related and reflect authenticity.</body></html>