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Controlling core file location & name

Posted on 1997-12-12
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Last Modified: 2010-04-21
I have a shell script that starts several processes as
background processes.  Currently when one of them cores it
writes the core file to the same location with the core
filename.  Is there a way to force the core to a particular
directory with a specified name?
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Question by:jlargent
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7 Comments
 
LVL 84

Expert Comment

by:ozo
ID: 2008281
cd /name1; process1 &
cd /name2; process2 &

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Author Comment

by:jlargent
ID: 2008282
That's ok for a few processes, but in my situation there
are more than 10 and I would rather not have multiple
directories if there is any other way.  Also, the processes
live in a common directory so the cmd would be:
cd /name1; /path/process1 &
cd /name2; /path/process2 &
I'm not sure if the core file would be dumped in the
"name1" directory or the "path" directory.
thanks
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Author Comment

by:jlargent
ID: 2008283
Adjusted points to 200
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LVL 51

Accepted Solution

by:
ahoffmann earned 600 total points
ID: 2008284
core file is in the name1 directory.
You must patch your kernel to satisfy your goal.
Sorry for bad news.
0
 

Author Comment

by:jlargent
ID: 2008285
Is patching the kernal the standard way to handle this?
Has this problem never been addressed by anyone else. Is
really common practise that all core files are created
in one area with the same name (thus overwriting previous
core files)?
0
 
LVL 84

Expert Comment

by:ozo
ID: 2008286
cd /name1; /path/process1 || mv core core1.$$ &

(assuming that process1 doesn't fail other than by core dump)
0
 
LVL 51

Expert Comment

by:ahoffmann
ID: 2008287
> Has this problem never been addressed by anyone else.
Well, may be that there are millions of coredumps. But it seems that there is noone who whants to fix them simultaneously :)
My answer or ozo's comment.
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