By default, all core dumps are stored in /var/lib/systemd/coredump (due to Storage=external ) and they are compressed with zstd (due to Compress=yes ). Additionally, various size limits for the storage can be configured. Note: The default value for kernel. core_pattern is set in /usr/lib/sysctl.

What are core dumps in Linux?

A core dump is a file that gets automatically generated by the Linux kernel after a program crashes. This file contains the memory, register values, and the call stack of an application at the point of crashing.

Where are core files Linux?

How to Find and Delete core Files

1. Become superuser.
2. Change the directory to where you want to start the search.
3. Find and remove any core files in this directory and its subdirectories. # find . – name core -exec rm {} ;