/etc/X11/xorg.conf.d/00-keyboard.conf
Written by systemd-localed(8), read by systemd-localed and Xorg. It’s
probably wise not to edit this file manually. Use localectl(1) to
instruct systemd-localed to update it.
Section «InputClass» Identifier «system-keyboard» MatchIsKeyboard «on» Option «XkbLayout» «us,ru» Option «XkbModel» «pc105+inet» Option «XkbOptions» «terminate:ctrl_alt_bksp» EndSection