Polski programisty:

setxkbmap -layout pl -variant intl

Z dodatkami:

setxkbmap -layout pl -variant intl \
-option \
    shift:both_capslock_cancel,\
    nbsp:level3n,\
    terminate:ctrl_alt_bksp,\
    kpdl:dot,\
    keypad:pointerkeys,\
    compose:caps

Polski z ogonkami:

setxkbmap -layout pl -variant qwertz

More information

Pokaż naciskane klawisze:

xev

Refs

  • man xkeyboard-config