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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:

-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-legend

Do not print the column headers.

-h, --help

Print a short help text and exit.

--version

Print a short version string and exit.

--no-pager

Do not pipe output into a pager.

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.

See Also

systemd-journald.service(8), gdb(1)