Grub.cfg is the file which replaced GRUB 0.97's menu.lst. For example, if the first menuentry contains " on sda5, then the GRUB installed on sda5 OS is controlling the menu/boot. By default, the first menuentry always lists an option from the installation which is in charge of GRUB 2. UUID: sudo grub-probe -t fs_uuid /boot/grubįrom the GRUB 2 menu at boot, the user can also determine which Ubuntu is controlling the boot on a multi-OS system. To find out where GRUB 2 is installed, the user can run the following commands:ĭevice: sudo grub-probe -t device /boot/grub The menu.lst of GRUB legacy is no longer used. GRUB 2 incorporates a totally revised directory and file hierarchy. command can be invoked by a user with Administrator (root) privileges and is automatically run when GRUB 2 packages or the kernel is updated.
This command activates scripts which by default determine the status of the current Ubuntu OS and search the system for other operating systems which, if found, are added to the GRUB 2 menu. This file is recreated automatically whenever the update-grub command is run. GRUB 2 builds its menu (grub.cfg) by running scripts found in the /etc/grub.d/folder and the settings in the /etc/default/grub file. To determine your version, use grub-install -V. The documentation on this page applies to GRUB 1.99 unless otherwise noted. The current version of GRUB is 1.99, which was introduced with Ubuntu 11.04, Natty Narwhal and is the version installed with 12.04, Precise Pangolin LTS.
#Phoenix os grub entry how to#
This page describes the new file structure and details how to the user can change the default settings used to create the boot menu. GRUB 2's method of building the GRUB menu is vastly different from GRUB 0.97. If [ x"$/gfxblacklist.GRUB 2 is the default boot loader for Ubuntu. # from /etc/grub.d and settings from /etc/default/grub # It is automatically generated by grub-mkconfig using templates Kernel /PhoenixOS/kernel quiet CMDLINE SRC=/PhoenixOS dev/sda5 /home ext4 (rw,relatime,data=ordered) dev/sda3 / ext4 (rw,relatime,errors=remount-ro,data=ordered) Partition Attrs Start Sector End Sector # of Sectors System Partition Boot Start Sector End Sector # of Sectors Id System I/O size (minimum/optimal): 4096 bytes / 4096 bytes Sector size (logical/physical): 512 bytes / 4096 bytes Sda3: _īoot files: /boot/grub/grub.cfg /etc/fstab Sda2 and looks at sector 267517760 of the same hardĭrive for core.img, but core.img can not be found at Sda2: _īoot sector info: Grub2 (v1.99-2.00) is installed in the boot sector of
=> Grub2 (v2.00) is installed in the MBR of /dev/sda and looks at sector 2048 Paste from boot-repair at Sat, 21:50:49 +0000īoot Info Script 8f991e4 + Boot-Repair extra info
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