Meaning of root in GRUB config file - Unix Linux Stack Exchange @Kenny root(hd0,0) tells the grub where it's configuration files are located In this case, they can be found under (hd0,0) boot grub And, kernel vmlinuz-i686-up-4GB root= dev hda9 specifies the actual kernel image location from where it can be read, which is inside the boot folder There can be many kernel images
grub2 - Set root to current drive in GRUB - Ask Ubuntu From the manual: "The default is normally set by GRUB at startup based on the value of ‘prefix’" and "'prefix' is normally set by GRUB at startup based on information provided by grub-install" so it is basically hardcoded in stage 1 5 and will become wrong if you change the order of discs or partitions –
How to boot to root shell when GRUB recovery menu fails to load a shell . . . Can't seem to boot into root shell in recovery mode from GRUB I try booting into recovery mode from the GRUB menu and don't ever get a shell, just log messages from the kernel bootup Ctrl+Alt+F1-F12 don't really give me anything important either
grub2 - How do I boot into a root shell? - Ask Ubuntu "Drop to root shell prompt" gives you a command line root environment from where you can access your files as root (no sudo required) After having done your work on your files you can leave the command line shell by exit Choose "Resume normal boot" to proceed booting as usual
Grub-install: whats the root directory - Unix Linux Stack Exchange Apparently the grub-install of the original grub had the option --root-directory, but grub-install of grub2 has option --boot-directory: --boot-directory=DIR: Use DIR as the boot directory The default is boot GRUB will put its files in a subdirectory of this directory named grub –
How do I boot into single-user mode from GRUB? - Ask Ubuntu Select (highlight) the GRUB boot menu entry you wish to use Press e to edit the GRUB boot commands for the selected boot menu entry Look near the bottom of the list of commands for lines similar to linux boot vmlinuz-3 2 0-24-generic root=UUID=bc6f8146-1523-46a6-8b\ 6a-64b819ccf2b7 ro quiet splash initrd boot initrd img-3 2 0-24-generic
GRUB2: boot to a second (another) hard disk Make a safety copy of the grub configuration file (as root) sudo cp grub cfg grub cfg bak Run the grub-mkconfig program (as root), that will search for other operating systems and generate a new configuration file for grub: sudo grub-mkconfig -o grub cfg Now you can reboot the computer and the new operating system will be shown in the boot menu
How do I reset a lost password (using recovery mode requires me to type . . . Give root password for maintenance (or type Control-D to continue) Clearly, I do not know the root password If I type CTRL+D, I return to the list of options From this page I read: Under chapter 'The Other Way': 4 Highlight the line that begins kernel and press 'e' to edit` But in the grub configuration file I have no line that starts with
grub2 - Grub config separate root and boot partitions - Unix Linux . . . Since you are using LVM for your boot partition under GRUB2, you also need to add this line to your etc default grub: GRUB_PRELOAD_MODULES="lvm" When done issue an # update-grub or a # grub-mkconfig -o boot grub grub cfg command, and reboot
Debian Grub2: Moving root partition to new drive? BTW if you are adding a partition (like a windows) on which you don't want grub to write a in the boot sector, but you want grub to know about it when your computer boots, you can re-scan the partitions and generate a new grub cfg file by using the grub_mkconfig command as follows in a terminal session cd boot grub sudo cp grub cfg grub