Just update /etc/default/keyboard file with the following content
XKBLAYOUT="us,ru"
XKBVARIANT=""
XKBOPTIONS="grp:ctrl_shift_toggle"
Please backup /etc/default/keyboard file before any change
Notes
Just update /etc/default/keyboard file with the following content
XKBLAYOUT="us,ru"
XKBVARIANT=""
XKBOPTIONS="grp:ctrl_shift_toggle"
Please backup /etc/default/keyboard file before any change