Hm, ik volg nu de wiki en loop tegen het volgende aan:
ubuntu@ubuntu:~$ sudo mount /dev/sda4 /mnt
mount: you must specify the filesystem type
ubuntu@ubuntu:~$ sudo mount /dev/sda5 /mnt
ubuntu@ubuntu:~$ ls /mnt
bin dev initrd.img lost+found opt sbin sys var
boot etc initrd.img.old media proc selinux tmp vmlinuz
cdrom home lib mnt root srv usr vmlinuz.old
ubuntu@ubuntu:~$ sudo mount --bind /dev /mnt/dev
ubuntu@ubuntu:~$ sudo mount --bind /proc /mnt/proc
ubuntu@ubuntu:~$ sudo mount --bind /sys /mnt/sys
ubuntu@ubuntu:~$ sudo mount --bind /usr /mnt/usr
ubuntu@ubuntu:~$ sudo chroot /mnt
root@ubuntu:/# update-grub
Generating grub.cfg ...
Warning: update-grub_lib is deprecated, use grub-mkconfig_lib instead
Found memtest86+ image: /boot/memtest86+.bin
done
root@ubuntu:/# grub-mkconfig_lib
grub-mkconfig_lib: command not found
bash: grub-mkconfig_lib: command not found
root@ubuntu:/# update-grub
Generating grub.cfg ...
Warning: update-grub_lib is deprecated, use grub-mkconfig_lib instead
Found memtest86+ image: /boot/memtest86+.bin
done
root@ubuntu:/#