gdm
2 HOWTOs · all tags
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The desktop session uses the right keyboard layout, but the display manager greeter is still QWERTY. On Debian and Ubuntu the system-wide layout lives in /etc/default/keyboard and is applied by console-setup — localectl set-x11-keymap is deliberately disabled on these distributions.
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The greeter of GDM, SDDM or LightDM ignores the layout configured in the desktop session. On localectl-driven distributions the fix is a single command that writes /etc/X11/xorg.conf.d/00-keyboard.conf — which Wayland greeters read too, via xkbcommon.