1. coredump limits
- for this login time
ulimits -c unlimited
- for the permanent time
vim /etc/security/limits.conf
* soft core unlimited
* hard core unlimited
2. coredump file path
sudo sysctl -w kernel.core_pattern="|/tmp/core_dump_example.py %e"
man core for the details about % part like %e in coredump file name
3. generating coredump
kill -SIGSEGV ${PID}