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coredumpctl:tldr:55470
The command coredumpctl --output=${filename} dump ${program}
is used to generate a core dump file for a specific program and save it with a specified filename.
Here's a breakdown of the different parts of the command:
-
coredumpctl
: This is the command-line utility used for managing core dumps in systems that usesystemd
. It allows you to list, inspect, and manipulate core dump files. -
--output=${filename}
: This option specifies the output filename for the generated core dump file. The${filename}
is a placeholder that should be replaced with the desired name for the file. For example, if you want to save the core dump as "my_program.core", you would replace${filename}
with"my_program.core"
. -
dump
: This is the command or program for which you want to generate a core dump. Replace${program}
with the name of the desired program. For example, if you want to generate a core dump for a program calledmy_program
, you would replace${program}
with"my_program"
.
By running this command, a core dump file will be generated for the specified program and saved using the provided filename. The core dump file contains a snapshot of the program's memory state at the time of the crash or exception, which can be useful for debugging and troubleshooting software issues.