https://qiita.com/ikesama200/items/f595293de82ddc9fa3f1 # ls -l /usr/share/gdm/dconf/90-debian-settings lrwxrwxrwx 1 root root 32 12月 19 2020 /usr/share/gdm/dconf/90-debian-settings -> /etc/gdm3/greeter.dconf-defaults # diff -u /etc/gdm3/…