A problem about core_dump on ubuntu 9.04

4 Weeks Ago	#1 (permalink)
lynx1987 Just Joined! Join Date: Oct 2009 Posts: 4	A problem about core_dump on ubuntu 9.04 As you know, while my programme core dump, it will creat a file which name is core*, I can set the path and name by /proc/sys/kernel/core_pattern and /proc/sys/kernel/core_user_pid. but the core file's permission is -rw-------, how can I make the core file's permisson is -rw-r--r-- when core file be created? Thanks all. My english is not very well.......

4 Weeks Ago	#2 (permalink)
Rubberman Linux Guru Join Date: Apr 2009 Location: I can be found either 40 miles west of Chicago, or in a galaxy far, far away. Posts: 2,624	The core file should belong to the user that ran the program that dumped. As root, or that user, you can change permissions just like any file. __________________ Sometimes, real fast is almost as good as real time.

4 Weeks Ago

#3 (permalink)

lynx1987

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Join Date: Oct 2009

Posts: 4

Quote:

Originally Posted by Rubberman

The core file should belong to the user that ran the program that dumped. As root, or that user, you can change permissions just like any file.

Yes, you are right. but I mean that,
by default, the core file permission is 0600,I wanna changed this default permission and umask has not effect.
Thank You.

4 Weeks Ago	#4 (permalink)
Rubberman Linux Guru Join Date: Apr 2009 Location: I can be found either 40 miles west of Chicago, or in a galaxy far, far away. Posts: 2,624	I'm not sure you can change the default. Why? Is it a problem? __________________ Sometimes, real fast is almost as good as real time.

1 Week Ago

#5 (permalink)

lynx1987

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Join Date: Oct 2009

Posts: 4

Quote:

Originally Posted by Rubberman

I'm not sure you can change the default. Why? Is it a problem?

Yep,It is a problem for me. We have some accounts on our development server. For example, if a programme which belonged to user cmcc core dumped, I login the server with user cmpp, then I can't get the core file on my localhost.

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