Re: I'm not a huge fan of systemd
On Thu, 10 Jul 2014 10:49:54 +0200
berenger.morel@neutralite.org wrote:
>
>
> Le 09.07.2014 23:11, Mark Carroll a écrit :
> > berenger.morel@neutralite.org writes:
> >
> >> Le 09.07.2014 15:40, Mark Carroll a écrit :
> >>> Martin Read <zen75502@zen.co.uk> writes:
> >>>
> >>>> On 09/07/14 05:07, Steve Litt wrote:
> >>>> [regarding double fork]
> >>>>> In other words, it's going to bust my program, right?
> >>>>
> >>>> Maybe. Do the programs you launch need to outlive your session?
> >>>> If so,
> >>>> your launcher program's design will run into problems in a
> >>>> systemd world.
> >>>>
> >>>> If not, you should be fine.
> >>>
> >>> Hang on, that sounds scary. I'll still be able to launch something
> >>> from the shell (maybe in an xterm) with a trailing & to put it in
> >>> the background, and then log out and it will keep on going, right?
> >>>
> >>> I may not have been paying enough attention ...
> > (snip)
> >> I thought that, currently, if you close the parent of "something"
> >> you
> >> have started with '&', "something" will die.
> >> Do you speak about nohup instead?
> >
> > Not knowingly. I ssh in to a machine with bash as my login shell,
> > start
> > something in the background, log out, log back in, and it's still
> > running. For instance,
> >
> > mtbc@samuel:~$ sleep 12345 &
> > [1] 4052
> > mtbc@samuel:~$ exit
> > logout
> > Connection to samuel closed.
> >
> > but reconnect later and,
> >
> > mtbc@samuel:~$ ps awux | grep sleep
> > mtbc 4052 0.0 0.0 5792 352 ? S 22:08 0:00
> > sleep 12345
> > mtbc 4138 0.0 0.1 8028 836 pts/3 S+ 22:08 0:00
> > grep sleep
>
> I just did that, and you are true, it works.
> But, when I do that with iceweasel, iceweasel is closed when I exit
> the terminal... I guess I just do not understant at all the behavior
> of the '&' and will need more reading.
berenger.morel,
The plot thickens. How did you exit the terminal? Did you File->Close
or type exit at the command prompt, or did you use a window manager
"close window" command (usually Alt+F4)? It makes a difference.
SteveT
Steve Litt * http://www.troubleshooters.com/
Troubleshooting Training * Human Performance
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