How do you allow core dumps on fedora
Paul Howarth
paul at city-fan.org
Tue Jul 12 11:05:55 UTC 2005
Dan Track wrote:
> On 7/12/05, gb spam <gbofspam at gmail.com> wrote:
>
>>>How can you permit core dumps files to be created on fedora. I had
>>>read previously that they were disabled by default. Can I create
>>>maximum limit on any core dump file. How can I only allow core dumps
>>>to occur in the /opt directory and not in the root file system?
>>
>>as root:
>> echo "kernel.core_pattern = /opt/core" >> /etc/sysctl.conf
>> sysctl -p
>>
>>as the user generating core files:
>> ulimit -c 1000 (or whatever)
>>
>>you need to run ulimit prior to running any process that would
>>generate a core dump, and you need to do it each time you log in, so
>>you should consider putting it in your profile.
>>
>>once you ulimit -c in a process, you can only reduce it from that
>>point, so you'll need to log out and back in if you want to increase
>>it.
>>
>
>
> Ok great,
>
> So If I want a core file of maximum size of 10Mb would I type "ulimit
> -c 1000" or is it "ulimit -c 10000". Incidentally what is a block?
> What is its value?
The answer can be found in "man ulimit"
Paul.
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