Can you clear dmesg?

Clearing the kernel ring buffer

If you want you can backup the logs using dmesg > filename before clearing it. Just execute the following command to clear and frest start the ring buffer loggin (make sure you have logged in as root). Execute the command dmesg to make sure the logs are cleared.

What does dmesg do in Linux?

dmesg (diagnostic message) is a command on most Unix-like operating systems that prints the message buffer of the kernel. The output includes messages produced by the device drivers.