systemd-coredumpctl (1) - Linux Manuals

systemd-coredumpctl: Retrieve coredumps from the journal

Command to display systemd-coredumpctl manual in Linux: $ man 1 systemd-coredumpctl

NAME

systemd-coredumpctl - Retrieve coredumps from the journal

SYNOPSIS

systemd-coredumpctl [OPTIONS...] {COMMAND} [PID|COMM|EXE|MATCH...]

DESCRIPTION

systemd-coredumpctl

may be used to retrieve coredumps from systemd-journald(8).

OPTIONS

The following options are understood:

-h, --help

: Print a short help text and exit.

--version

: Print a short version string and exit.

-F, --field=

: Print all possible data values the specified field takes in matching coredump entries of the journal.

-o, --output=FILE

: Write the core to FILE.

--no-pager

: Do not pipe output of list into a pager.

--no-legend

: Do not print the column headers.

The following commands are understood:

list

: List coredumps captured in the journal matching specified characteristics.

dump

: Extract the last coredump matching specified characteristics. The coredump will be written on standard output, unless an output file is specified with -o/--output.

gdb

: Invoke the GNU debugger on the last coredump matching specified characteristics.

MATCHING

Match can be:

PID

: Process ID of the process that dumped core. An integer.

COMM

: Name of the executable (matches COREDUMP_COMM=). Must not contain slashes.

EXE

: Path to the executable (matches COREDUMP_EXE=). Must contain at least one slash.

MATCH

: General journalctl predicates (see journalctl(1)). Must contain an equals sign.

EXIT STATUS

On success, 0 is returned; otherwise, a non-zero failure code is returned. Not finding any matching coredumps is treated as failure.