HOWTO: Install Backtrack 5 on Wubi

The easiest way to do that (we need to mount the virtual disk anyway), is to access it from outside. In my case, I already have Ubuntu installed beside Windows. You may also use a Ubuntu Live CD (like the Installer, or even any Linux based Live CD). In fact, all you need is Linux Smilie:

To not have to sudo everything (for Ubuntu), we just do it once to become root:

sudo -i

Create your temporary mount points:

cd /mnt

mkdir ./windows (your Windows C drive)

mkdir ./wubi (Wubi's virtual disk)

mkdir ./backtrack (Backtrack CD)

mkdir ./bt (Backtrack root disk image)

Mount your Windows partition containing Wubi (your C partition). Here is an example (where “Windows” is the label of your partition):

mount /dev/disk/by-label/Windows/ /mnt/windows

mount -o loop /mnt/windows/ubuntu/disks/root.disk /mnt/wubi

Note: “/mnt/wubi” is now our reference to access your root partition (/) inside your Wubi’s installation.

Prepare the backup directory:

cd /root

mkdir ./wubi-backup

Now we can backup our two files:

cp /mnt/wubi/boot/grub/grub.cfg /root/wubi-backup/

cp /mnt/wubi/etc/fstab /root/wubi-backup/

Once backup is completed, say goodbye to your Wubi’s installation. You can backup “root.disk” if you want, but it’s not an obligation.

DON’T DO A TYPO ERROR HERE, OR YOU’LL SAY GOODBYE TO YOUR CURRENT SYSTEM TOO… THAT’S NOT THE OBJECTIVE HERE…

rm -r /mnt/wubi/*

Extract BT’s root image from the ISO. If you don’t already have your BT ISO, you can download it by typing:

wget <a href="http://mirror.switch.ch/ftp/pool/1/mirror/backtrack/BT5r3-GNOME-32.iso">http://mirror.switch.ch/ftp/pool/1/mirror/backtrack/BT5r3-GNOME-32.iso</a>

Note: Again, just use the version for your architecture. See above to know the right file to download.

For this step, you have two choices. First is to mount the ISO and copy the file, second is to extract the ISO archive and copy the file. Let’s go for the first one:

mount -o loop ./BT5r3-GNOME-32.iso /mnt/backtrack

mount /mnt/backtrack/casper/filesystem.squashfs /mnt/bt

Summary of your mount points:

mount -o loop ./BT5r3-GNOME-32.iso /mnt/backtrack

mount /dev/disk/by-label/Windows /mnt/windows

mount /mnt/backtrack/casper/filesystem.squashfs /mnt/bt

mount -o loop /mnt/windows/ubuntu/disks/root.disk /mnt/wubi

Time to copy the system files:

cp -fpr /mnt/bt/* /mnt/wubi/

And now, copy the two files that you have made a backup of before:

cp -f /root/wubi-backup/grub.cfg /mnt/wubi/boot/grub/

cp -f /root/wubi-backup/fstab /mnt/wubi/etc/

Adjust the boot config file for your kernel version. Use gedit’s find and replace function to do everything in a single step:

gedit /mnt/wubi/boot/grub/grub.cfg

Note: To know what version your BT ISO have, just get a look in “/mnt/bt/boot/”. It is a good idea to adjust also boot parameters like “ro splash vga=791”

Update Root Account:

chroot /mnt/wubi

pwconv

Create root’s password

passwd

It’s finish! Just unmount your mount points and remove temporary folders:

umount /mnt/bt

umount /mnt/backtrack

umount /mnt/wubi

umount /mnt/windows

rm -r /mnt/bt

rm -r /mnt/backtrack

rm -r /mnt/wubi

rm -r /mnt/windows

exit (to exit root shell)

You can now reboot your system, and choose “Ubuntu” at boot… I assume that you know what to do from there…

Additional tweaks, once BT is up and running

Use Make

If you would like to use make instructions (like is you want to compile your wireless drivers)

prepare-kernel-sources (ensure that you are connected to Internet)

cd /usr/src/linux

cp -fr include/generated/* include/linux/

Personally, I prefer to use the BT’s graphical interface rather than the text version:

Startx automatically

Add these lines to /root/.bashrc

if [ -z “$DISPLAY” ]; then

startx

fi

Enable full auto-complete in bash

Uncomment these lines:

if [ -f /etc/bash_completion ] && ! shopt -oq posix; then

. /etc/bash_completion

fi

Here is a tweak if you NEVER use the graphical interface:

Activate automatically eth0

nano /etc/network/interfaces

And add these lines:

auto eth0

allow-hotplug eth0

iface eth0 inet dhcp (uncomment this line)

Other bash tweaks:

Disable terminal beep

nano /root/.inputrc

add “set bell-style none” line in the new file and save it

Change keyboard layout

apt-get install console-common

and follow on screen instructions

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HOWTO: Install Backtrack 5 on Wubi

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