Make a USB Boot CD for Ubuntu 9.04

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Make a USB Boot CD for Ubuntu 9.04 Empty Make a USB Boot CD for Ubuntu 9.04

Post  Admin on Fri Jul 10, 2009 11:43 am

The following tutorial explains how to create a USB Boot CD that can be used to boot a Ubuntu 9.04 USB flash driveon computers with a BIOS that does not natively support booting from USB. The boot CDcontains a grub bootloader that loads the initrd and vmlinuz kernel from the CD and then proceeds to locate the filesystem on the USB drive. Because the USB driver modules are preloaded from the initrd on the CD, the compressed filesystem can then be detected and loaded from the USB device.

PC with a BIOS that does not support booting from USB
Working CD Drive and USB Port
Ubuntu 9.04 Live CD
USB flash drive with Ubuntu 9.04 preinstalled

1. Insert the Ubuntu 9.04 Live CD and restart your computer, booting from the CD
2. Open a Terminal and Type mkdir -p ubcd/boot/grub
3. Type cp /usr/lib/grub/i386-pc/stage2_eltorito ubcd/boot/grub
4. Type gedit ubcd/boot/grub/menu.lst
5. Add the following information to your menu.lst file and click save:

title Run Ubuntu 9.04 from USB DISK
root (cd)
kernel /boot/vmlinuz file=/cdrom/preseed/ubuntu.seed boot=casper noprompt cdrom-detect/try-usb=true persistent
initrd /boot/initrd.gz

6. Type cp /cdrom/casper/initrd.gz ~/ubcd/boot
7. Type cp /cdrom/casper/vmlinuz ~/ubcd/boot
8. Type sudo gedit /etc/initramfs-tools/modules
9. Add the following lines to the modules file and click save:


10. Type sudo gedit /etc/initramfs-tools/initramfs.conf
11. Add the following line to the bottom of the file and click save:

Type sudo mkinitramfs -o ubcd/boot/initrd.gz 2.6.2*

Replacing 2.6.2* with your actual kernel version.

12. Type uname -r to find your kernel version. I.E. initrd.gz 2.6.28-11-generic
13. Type mkisofs -R -b boot/grub/stage2_eltorito -no-emul-boot -boot-load-size 4 -boot-info-table -o usbcd.iso ubcd
14. Burn the usbcd.iso to a CD


[silent killer]


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