ubuntu-gnome@ubuntu-gnome:~$ sudo mount --bind /dev /mnt/dev
mount: mount point /mnt/dev does not exist
ubuntu-gnome@ubuntu-gnome:~$ sudo mount --bind /proc /mnt/proc
mount: mount point /mnt/proc does not exist
ubuntu-gnome@ubuntu-gnome:~$ sudo mount --bind /sys /mnt/sys
mount: mount point /mnt/sys does not exist
ubuntu-gnome@ubuntu-gnome:~$ sudo chroot /mnt
chroot: failed to run command ‘/bin/bash’: No such file or directory
ubuntu-gnome@ubuntu-gnome:~$