na linha de comandos que se segue aproveitamos para remover o xfce e o gnome para minimizar o software a instalar:
dpkg -l | grep .xfce. | awk '{print $2}' | xargs apt-get purge -V --auto-remove -yy && apt purge gnome-session gnome gnome-shell && apt autoremove -yy && dpkg-reconfigure lightdm && apt update -yy && apt upgrade -yy && apt dist-upgrade -yy && apt autoremove -yy && apt autoclean -yy && find /etc -name '.dpkg-' -o -name '.ucf-' -o -name '*.merge-error' && mkdir ~/apt && cp /etc/apt/sources.list ~/apt && cp -rv /etc/apt/sources.list.d/ ~/apt && sed -i 's/buster\/updates/bullseye-security/g;s/buster/bullseye/g' /etc/apt/sources.list && sed -i 's/buster\/updates/bullseye-security/g;s/buster/bullseye/g' /etc/apt/sources.list.d/* && apt update -yy && apt upgrade --without-new-pkgs -yy && apt full-upgrade -yy && apt autoremove -yy && apt autoclean -yy && reboot
24 Nov 2021