Hide GRUB when booting

[JiaZhang]

I forgot to mention that you need to be in chroot in order to update the GRUB on your internal drive. Because you use live-USB or live-CD so you need to change the filesystem view to the one in your internal drive, not the live-USB/CD one.

I give you 2 good references on how to do this:

[HowTo] Chroot from or into any Linux distribution

Difficulty: ★★★☆☆ Step 1: Mount your system. This works for both GRUB and EFI systems/installations Okay, the first thing to do is to be root. To do so, open a terminal and type in sudo -i then hit the Enter key. You may then give in your password if prompted. We then need to create a directory where we will mount the target system. In this case, let’s make a directory named “chroot”, by entering mkdir /chroot in the terminal. Time to find where is your system located!! To do so, you may e…

https://askubuntu.com/questions/145241/how-do-i-run-update-grub-from-a-livecd