How to make GRUB changes permanent?
42716
How do I set 'nomodeset' after I've already installed Ubuntu?
95582
How to remove duplicate entries in Grub menu?
93688
How can I add a new operating system boot entry to the GRUB2 menu?
137947
How to manually manage grub.cfg for Grub2?
61181
Editing the default boot item in grub menu, a definitive answer?
35870
How to change kernel at boot
144045
Where can I permanently modify Directory[]?
54607
Where is the persistent option for Startup Disk Creator in 16.04?
90002
How can I get grub2 to boot a different option only on the next boot?
157083
How to remotely control which OS Grub boots?
98936
How to set GRUB timeout to 0 on Ubuntu 18.04
153932
How do I make modprobe changes permanent?
30233
How can I fix/install/reinstall grub?
104432
How to set previous kernel as default in GRUB (Grub customizer)
69493
Add GRUB menu item to boot into terminal
61026
How to apply changes of newly added user groups without needing to reboot?
69331
How to change grub command-line (grub shell) keyboard layout?