via https://superuser.com/questions/864748/can-ssh-as-root-but-can-not-restart-cannot-execute-binary-file
reboot -> "echo b > /proc/sysrq-trigger"
via @iMilnb
via http://forums.madmoizelle.com/sujets/ecm-des-vegeta-ien-ne-s-veganes-et-des-curieux-ses.108439/
via https://cyrille-borne.com/complement-74-nettoyage-de-printemps/
