how do I install GKSU or other program to edit as root to save changes in grub file at /etc/default to enable nomodeset bootup?
66473
Can't open Gedit as root
35051
Change boot entry names and grub background?
70351
How do I edit the boot order in the GRUB menu to have Windows first?
134817
How do I set Ubuntu to my default boot?
127841
Bring Debian to second Position in the GRUB Menu at startup
94793
How do you run update-grub?
9235
grub: boot from ISO
50617
Grub rescue : how to fix insmod normal, unknown file system
34743
Run command at boot as root
93688
How can I add a new operating system boot entry to the GRUB2 menu?
42716
How do I set 'nomodeset' after I've already installed Ubuntu?
9466
How to get to the GRUB menu at boot-time?
56484
How to run a complete GUI as root?
138803
GRUB menu edit protection only
78405
I can't get grub menu to show up during boot
37518
Display grub menu and options without rebooting?
69296
How to disable grub menu at boot time in Ubuntu 20.04?