How to dump the locked up program
Aaron Konstam
akonstam at sbcglobal.net
Mon Sep 28 21:41:09 UTC 2009
On Mon, 2009-09-28 at 11:37 -0430, Patrick O'Callaghan wrote:
> On Mon, 2009-09-28 at 15:30 +0100, Anne Wilson wrote:
> > On Monday 28 September 2009 15:04:08 Patrick O'Callaghan wrote:
> > > On Mon, 2009-09-28 at 15:24 +0200, Roberto Ragusa wrote:
> > > > Vincent Onelli wrote:
> > > > > Hello all,
> > > > > Is there way to dump the program stop responding, instead of do a full
> > > > > reboot?.
> > > >
> > > > What you are calling "dump" is probably called "kill" in the Unix
> > > > world. And program is better spelled process.
> > > >
> > > > So, a simple Google search for "How do I kill a process in Linux?"
> > > > will give you a lot of answers.
> > > >
> > > > In a console:
> > > > kill 666
> > > > (where 666 is the PID of the process)
> > > >
> > > > Via GUI, it depends on GNOME, KDE, whatever you are using (it could be
> > > > Ctrl-Esc or similar key commands).
> > >
> > > A couple of extra points:
> > >
> > > 1) The "kill" command doesn't technically kill the process, it sends it
> > > a signal. "kill -l" gives a list of possible signals. The default signal
> > > (SIGTERM) can be caught by the process. This is to allow it to clean up
> > > before finishing (and it might decide not to finish at all). SIGKILL on
> > > the other hand cannot be caught.
> > >
> > > 2) Sometimes a process cannot be killed even with SIGKILL (because it's
> > > waiting in the kernel on some event that will never happen) and a reboot
> > > is the only answer.
> > >
> > In many distros the key-combination ctrl-alt-Esc starts kill - producing a
> > skull and crossbones icon, which you then move to the titlebar of the gui
> > application you want to kill. If you change your mind, Esc gets you out of
> > it.
>
> Interesting, I'd never seen that. It seems to be the same as the xkill
> command, which I sometimes find useful. However the OP didn't say he
> wanted to kill a GUI client. Also, xkill doesn't send any signals, it
> just closes the connection from the X client to the X server. Most
> clients then commit suicide, but nothing forces them to.
>
> poc
>
I would recommend : kill-9
for the job.
--
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When the cup is full, carry it level.
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Aaron Konstam telephone: (210) 656-0355 e-mail: akonstam at sbcglobal.net
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