Contents
How do I access etc default grub?
Open the file with gksudo gedit /etc/default/grub (graphical interface) or sudo nano /etc/default/grub (command-line).
How do I restore default grub?
To do so, as root , follow these steps:
- Run the rm /etc/grub.d/* command;
- Run the rm /etc/sysconfig/grub command;
- For EFI systems only, run the following command: ~]# dnf reinstall grub2-efi shim.
- Rebuild the grub.cfg file by running the grub2-mkconfig -o command as follows:
GNU GRUB Menu: Change the Default Boot OS
- Find the string for the OS you want to set as the default.
- Highlight the string and copy it to the clipboard.
- Edit /etc/default/grub $ sudo vi /etc/default/grub.
Where is my GRUB installed?
The GRUB 2 files will normally be located in the /boot/grub and /etc/grub. d folders and the /etc/default/grub file in the partition containing the Ubuntu installation. If another Ubuntu/Linux distribution controlled the boot process, it will be replaced by the GRUB 2 settings in the new installation.
Where is the file / etc / default / Grub located?
The file /etc/default/grub belongs to no package, dpkg -S /etc/default/grub and apt-file search /etc/default/grub will both return nothing. However, /etc/default/grub is generated by grub-pc when it is not present.
What happens if there is no default Grub file?
If the file doesn’t exist, then all values are default ones, like you didn’t set them up. If you really only want to know “why this works”, the answer is that LiveCD Ubuntu that you used for installation had this unimportant for boot file \\etc\\default\\grub.cfg, so created yours important for boot /boot/grub/grub.cfg using it.
Why is grub.cfg not found when booting?
If it still doesn’t work, please post your /boot/grub/grub.cfg file. Those entries affect what you see when the kernel boots, not grub. Make sure you have not accidentally introduced a trailing space on any of the lines in /etc/default/grub (see below).
Is there a grub file in Ubuntu 13.10?
I’m running Ubuntu 13.10. I wanted to change the GRUB timeout by editing the /etc/default/grub file. But there was no such file in my system. On startup the GRUB menu is displayed and I’m not experiencing any boot problems. If this file was so important for booting, why am I nit experiencing any boot problems?