Ubuntu Live-cd guided by iso

Source: Internet
Author: User
Ubuntulive-cd provides the iso file boot function. you only need to add the bootcasperiso-scan/filename/path/to/filename. iso parameter to the kernel boot. The following grub2 boot ubuntu-11.10-desktop-i386.iso from the U disk as an example. (Assume that the USB flash drive is only... ubuntu live-cd provides the iso file boot function, as long as you add the parameter boot = casper iso-scan/filename =/path/to/filename to the kernel boot. iso.
The following grub2 boot ubuntu-11.10-desktop-i386.iso from the U disk as an example. (Assume that the USB flash drive has only one partition .)

Download the ubuntu-11.10-desktop-i386.iso to the U disk root directory
In grub2, if you can access the casper directory in this iso by using loopback device loading or other methods, you can use the following methods to guide grub2:

Grub> loopback lo (hd0, 1)/ubuntu-11.10-desktop-i386.iso
Grub> linux (lo)/casper/vmlinuz boot = casper iso-scan/filename =/ubuntu-11.10-desktop-i386.iso
Grub> initrd (lo)/casper/initrd. lz
Grub> boot
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