> 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.
