version 1.0.0, 2014-07-04 : Initial version
Some notes about the GRUB bootloaderNotes about the GRUB bootloader.
In GRUB’s configuration file, the
(hd0, 0) means to load the bootloader from
the partition 0 of the hd0 drive.
In RHEL6, the GRUB version used is 0.97 so you can still edit the
/boot/grub/grub.conf manually unlinke GRUB 2.0.
From GRUB’s command line:
To find the partition containing GRUB’s conf file:
find /grub/grub.confor simply
To reinstall grub on hd0:
To boot in maintenance mode (
init 1 /
telinit 1 equivalent) from the grub
menu, just append
single to the boot arguments to the "kernel" line.
If you are booting by default on runlevel 5 and that you want to reboot in runlevel 3, just add " 3" at the end of the kernel line at the grub prompt. Tested on Centos.