dmesg

command log

Print kernel ring buffer messages

Options

Timestamp format

Log level filter (-l)

Facility filter (-f)

Follow new messages (-w) Follow new messages (-w)

Clear ring buffer (-C) Clear ring buffer (-C)

Clear the ring buffer after printing

Decode facility/level (-x) Decode facility/level (-x)

Relative timestamps (-e) Relative timestamps (-e)

Show time delta (-d) Show time delta (-d)

Show since time (--since)

Show until time (--until)

Filter by keyword (pipe to grep)

sudo dmesg -H