tldr/pages/linux/coredumpctl.md

coredumpctl

Retrieve and process saved core dumps and metadata. More information: https://www.freedesktop.org/software/systemd/man/latest/coredumpctl.html.

• List all captured core dumps:

coredumpctl

• List captured core dumps for a program:

coredumpctl list {{program_name}}

• Filter core dumps based on a specific signal:

coredumpctl list COREDUMP_SIGNAL={{1..64}}

• Show information about the core dumps matching a program with PID:

coredumpctl info {{process_id}}

• Invoke debugger using the last core dump:

coredumpctl debug

• Invoke debugger using the last core dump of a program:

coredumpctl debug {{program_name}}

• Extract the last core dump of a program to a file:

coredumpctl dump {{program_name}} {{[-o|--output]}} {{path/to/file}}

• Skip debuginfod and pagination prompts and then print the backtrace when using gdb:

coredumpctl debug {{[-A|--debugger-arguments]}} "-iex 'set debuginfod enabled on' -iex 'set pagination off' -ex bt"