many tails
Robin Laing
Robin.Laing at drdc-rddc.gc.ca
Wed Dec 6 16:30:00 UTC 2006
On Tue, 2006-12-05 at 23:09 -0500, Mike - EMAIL IGNORED wrote:
> On Tue, 05 Dec 2006 14:03:56 -0500, Mike - EMAIL IGNORED wrote:
>
> > On FC4 with KDE, I ran ps -ef and noticed that there
> > were many old /usr/bin/tail processes. They all
> > looked like tail -f that I had run. I wrote
> > a script to kill -9 them. I ran tests and found
> > that if I exit tail -f with ctrl-c the processes
> > disappears, but if I close a KDE window on a
> > tail -f without ctrl.c, the processes persists.
> >
> > Is this the way it should be?
> >
> > Thanks for your comments.
> > Mike.
>
> I started to try the strace suggestion, and to
> simplify things, I logged in as root, rather than
> user followed by su - . To my surprise, the
> problem disappeared. Therefore, to demonstrate
> the problem:
> 1. log in as user (not root)
> 2. (in my case) startx
> 3. pop a Shell Konsole
> 4 su -
> 5. tail -f /var/log/<some log file you can send to>
> 6. click the x to kill the Konsole
> 7. pop another Shell Konsole
> 8. su -
> 9. ps -ef | grep tail
> 10. I find that the tail process persists
> But not if the original login is root. I wonder if anyone
> else can reproduce this.
>
> I hear from above that it is now bedtime at -0500, so I'll
> try the strace tomorrow. Thanks for your interest.
>
> Mike.
>
>
Doesn't do this in Gnome.
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