How to see kernel messages with journalctl
The journalctl command can show all events related to the kernel itself usig the --dmesg option. This option will filter out kernel messages and has a similar output as the dmesg
command.
Usage
Use the full or shorter option to query the kernel messages.
journalctl -k
Looking for only the kernel messages of today? Combine it with the --since= option.
journalctl -k -S "today"