dmesg

Installation
SKILL.md

Identity

Property Value
Binary dmesg
Config No persistent config — invoked directly
Logs Kernel ring buffer (volatile, lost on reboot); persistent history in /var/log/kern.log or via journalctl -k
Type CLI tool (part of util-linux)
Install apt install util-linux / dnf install util-linux (installed by default on all distributions)

Key Operations

Task Command
Show all kernel messages dmesg
Human-readable timestamps (wall clock) dmesg -T
Follow new messages as they arrive dmesg -W
Filter to errors and warnings only dmesg --level err,warn
Filter to kernel facility only dmesg --facility kern
Related skills
Installs
1
GitHub Stars
5
First Seen
Mar 18, 2026