$ cat /etc/X11/xinit/Xkbmap -layout us,ru-option grp:ctrl_shift_toggle,grp:switch,compose:menu,grp_led:num
$ cat /etc/X11/xinit/Xkbmap-option grp:ctrl_shift_toggle -variant , -layout us,ru -model pc104
modprobe rt2800usbecho -n "2001 3c20" > /sys/bus/usb/drivers/rt2800usb/new_id