How can I get GRUB2 to boot a different option only on the next boot?
I would like to be able to tell it to boot to Windows on the next boot only and then when I restart from Windows have the system return to booting Ubuntu. I found Grub Legacy – section 4.3.1 – Booting once-only but I am using Ubuntu 14.04 server which has the newer version of grub.
How can I change the default operating system to GRUB2?
You can change its settings to select a default operating system, set a background image, and choose how long GRUB counts down before automatically booting the default OS. We configured GRUB2 on Ubuntu 14.04 here, but the process should be similar for other Linux distributions.
What are the defaults for the Grub boot loader?
By default, GRUB_DEFAULT=0 uses the first entry as the default — change the number to 1 to use the second entry, 2 to use the third entry, or so on. You could also use GRUB_DEFAULT=saved and GRUB would automatically boot the last operating system you chose each time you boot. You can also specify a label in quotes.
Is it possible to dual boot two Linux distributions?
And that may lead to problems. I recommend the latter, but the former may work, specially if you are dual booting two Linux which are very similar, like two Debian versions, or if the two Linux distribution are using different DEs. Test them at your own risk. 1. Install the first distribution
How to change the default boot partition in Ubuntu?
1 . find your efi partition using sudo lsblk -f and not down its UUID ( it should be a vfat partition of couple of hundred Mbs) . let’s take this partiton as /dev/mmcblkx and UUID as XXXX-XXXX in this example . Create /boot/efi/ folder and mount efi partition under /boot/efi using command sudo mount /dev/mmcblkx /boot/efi.
How can I get back to Ubuntu from Grub?
Can anyone help me get back to Ubuntu ? Type linux (hd0,1)/vmlinuz root=/dev/sda1 or linux (hd0,1)/linux root=/dev/sda1 depending on what you found with ls (hd0,1)/, then: If you get initramfs rescue mode enter your password, then startx .
Why does grub not show the menu in Ubuntu?
By default, GRUB will show the menu if there is a second operating system installed. If only Ubuntu is installed, then GRUB will generally load Ubuntu without showing the menu. To reconfigure GRUB to always show a menu:
Where do I find grub when booting an ISO?
Booting the ISO. Once the menuentry has been created and GRUB 2 updated, the ISO entry will appear on the GRUB menu during boot. If the entry was created in the /etc/grub.d/40_custom file, it will appear after the Ubuntu and other OS listings on the main GRUB menu.