How do you allow core dumps on fedora

[Paul Howarth]

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.