Protection de GRUB
echo 'set superusers="root"' >> /etc/grub.d/40_custom
grub-mkpasswd-pbkdf2 >> /etc/grub.d/40_custom
10 nano /etc/grub.d/10_linux
11 nano /etc/grub.d/40_custom
12 chmod 711 /etc/grub.d/40_custom
13 nano /etc/grub.d/10_linux
14 nano +34 /etc/grub.d/10_linux
15 grub-mkconfig -o /boot/grub/grub.cfg