3. dmesg | grep keyboard
[ 0.823820] input: AT Translated Set 2 keyboard as /devices/platform/i8042/serio0/input/input4
4. sudo /lib/udev/keymap -i input/event4
Press ESC to finish scan code: 0xAE key code: volumedown scan code: 0xB0 key code: volumeup scan code: 0xA0 key code: mute scan code: 0x01 key code: esc
3. dmesg | grep keyboard
[ 0.823820] input: AT Translated Set 2 keyboard as /devices/ platform/ i8042/serio0/ input/input4
4. sudo /lib/udev/keymap -i input/event4
Press ESC to finish
scan code: 0xAE key code: volumedown
scan code: 0xB0 key code: volumeup
scan code: 0xA0 key code: mute
scan code: 0x01 key code: esc