systemd-coredumpctl — Retrieve coredumps from the journal
systemd-coredumpctl
[OPTIONS...] {COMMAND} [PID|COMM|EXE|MATCH...]
The following options are understood:
--help
, -h
Print a short help text and exit.
--version
Print a short version string and exit.
--field=
, -F
Print all possible data values the specified field takes in matching coredump entries of the journal.
--output=FILE
, -o 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 coredumps captured in the journal matching specified characteristics.
Extract the last coredump
matching specified characteristics.
Coredump will be written on stdout, unless
an output file is specified with
-o/--output
.
Invoke the GNU debugger on the last coredump matching specified characteristics.
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.