You can use the GUI app "keyboard shortcuts" to setup custom keys, or you can manually modify hwdb files (ex. /lib/udev/hwdb.d/60-keyboard.hwdb).
The following tutorials may provide some help. == Modify keymap == * cd /lib/udev/hwdb.d/ * edit keymap file (60-keyboard.hwdb) * add a change, ex KEYBOARD_KEY_81=f20 # mic mute * run "sudo udevadm hwdb --update" * load changes "sudo udevadm trigger" (not tested) or reboot * not reboot required: * udevadm hwdb -u * udevadm control --reload * udevadm trigger --action=add --subsystem-match=input * check updated keymap * udevadm info /dev/input/event<?> more information * http://askubuntu.com/questions/499252/my-custom-udev-hwdb-rule-doesnt-work * http://thinkpad-scripts.readthedocs.org/en/latest/guides/additional-keys.html -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1891032 Title: Brightness key freeze screen To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1891032/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs