On Wed, Mar 26, 2008 at 5:58 PM, Mike Schwartz wrote: > > On Wed, Mar 26, 2008 at 3:55 PM, Walter J. Mack wrote: > > > I remember on some systems that a "background" job would continue to run after logout, but only if it didn't try to output anything to stdin or stderr anymore (I believe that was true on AIX). > > > > The trick to get around that was to say > > > > command >&/dev/null& > > > > Walter > > > > > > Matt Graham wrote: > > After a long battle with technology, Joshua Zeidner wrote: > > > > > > On Wed, Mar 26, 2008 at 2:01 PM, Nathan wrote: > > > > > > On Wednesday 26 March 2008 13:59:59 Joshua Zeidner wrote: > > > > > > Is there an easy way to create a daemon without creating an init.d > > script, etc.? > > > > what I do is ssh into whichever box it is, even the local machine, and > > run the command with an & at the end, then exit. From there I can do > > whatever I want, except reboot and it will continue running. > > > > well the system I'm using appears to terminate a background (&) > > process when the user is logged out. > > The shell sends HUP to all its children when the shell exits. Hence nohup. > > > > > > I always thought that background processes are still children of the shell > > process, and thus terminating the shell will kill the &'d process, but I > > could be wrong on that one. I'm not sure if this is the default, or just > > how this Debian system was set up. > > > > Debian? Look into the start-stop-daemon program. That's a fairly simple way > > to make something that wasn't originally intended to be a daemon act somewhat > > like a daemon. I used this to run a couple of useful persistent scripts at > > boot time on a Debian box. > > > > > > Everything else on this server is super bolted down- so I would be surprised > > if [it's] not default. > > > > HUPping all children of the shell is standard behavior, not anything "super > > bolted down". > > > > > --------------------------------------------------- > > PLUG-discuss mailing list - PLUG-discuss@lists.plug.phoenix.az.us > > To subscribe, unsubscribe, or to change your mail settings: > > http://lists.PLUG.phoenix.az.us/mailman/listinfo/plug-discuss > > I think there was a presentation on this topic, > at one of those "developer" meetings (held at Adtron in Tempe) > some time between Sept. 2006 and May 2007. > ...it included stuff about how the program / script could "fork" > itself and switch user IDs to no longer be associated with the > person who entered the command to cause it to start. > Someone else who understands [bash, and] this stuff > "better than I do" might chime in at this point; especially > if the notes from that presentation are available on the web > or something. > ...actually, maybe I don't understand they key part -- > the part about << "without creating an init.d script, etc.?" >>. Unless anyone wishes to discuss this topic beyond the scope of scratching my personal itch, Jon's solution solved my problem beautifully. BTW, Mike your prose looks like FORTRAN code! :) -jmz -- - http://www.joshuazeidner.com/ --------------------------------------------------- PLUG-discuss mailing list - PLUG-discuss@lists.plug.phoenix.az.us To subscribe, unsubscribe, or to change your mail settings: http://lists.PLUG.phoenix.az.us/mailman/listinfo/plug-discuss