[Guide] How to install Ubuntu Linux on your phone [1.0 Coming Soon]

adb reboot
adb shell busybox df -h /dev/block/mmcblk1p1 <-----[make sure you have enough free space]
adb shell
cd /sdcard/ubuntu
mv ubuntu.img oldubuntu.img
dd if=/dev/zero of=ubuntu.img bs=1024000 count=XXXX <-----[XXXX is the size in MB you want]
mke2fs ubuntu.img <------[answer "y" if it ask if you want to proceed]
losetup /dev/block/loop1 ubuntu.img
losetup /dev/block/loop2 oldubuntu.img
mkdir ubuntu
mkdir oldubuntu
mount -t ext2 /dev/block/loop1 ubuntu
mount -t ext2 /dev/block/loop2 oldubuntu
cp -a oldubuntu/* ubuntu
umount ubuntu
umount oldubuntu
reboot

#! /system/bin/bash

# bash script to resize the ubuntu.img file used for Ubuntu on Android
#
# Real work on how to do this by unCoRrUpTeD at XDA
#    (http://twitter.com/#!/unCoRrUpT3d) - see:
# http://xdaforums.com/showpost.php?p=16455543&postcount=101
#
# Interactive stuff added by EarlyMon (XDA, Android Forums) 2011 Aug 9

clear
echo "Ubuntu image resizer - Please be root!"
echo
echo "It is imperative that you ONLY run this immediately AFTER rebooting!"
echo -n "Tell the truth - did you just now reboot? [y/N] "
read rebooted

if [[ !( "$rebooted" =~ [Yy] ) ]]; then
   echo "OK, try again after reboot, exiting."
   exit
fi

cd /sdcard/ubuntu

sd_free=`df /sdcard | awk '{print $6}' | sed s/K$//`
# Convert to MB
sd_free=$[$sd_free/1000]
# Reserve 500 MB as a safety measure
sd_free=$[$sd_free-500]

ubuntu_size=`ls -l ubuntu.img | awk '{print $4}'`
ubuntu_size=$[$ubuntu_size/1000000]

# Pick a lower limit here for the image size
minimum=2150

echo  "Existing Ubuntu image size: $ubuntu_size MB"
echo  "Free space on SDcard: $sd_free MB"
echo -n "Target size in MB? (minimum: $minimum) "
read target

if [[ "$minimum" < "$target" && "$target" < "$sd_free" ]]; then

   echo "Resizing ubuntu.img to $target MB"
   echo
   echo "Beginning resize - will reboot when done."
   echo "Test ubuntu.img when complete - discard oldubuntu.img if happy"
   echo
   echo "Please be patient - image creation will take several minutes"
   echo
   echo "mke2fs prompt will be answered automagically"
   echo

   if [ ! -d /data/local/ubuntu ]; then
      mkdir /data/local/ubuntu
   fi
   MOUNT=/data/local/ubuntu

   mv ubuntu.img oldubuntu.img
   dd if=/dev/zero of=ubuntu.img bs=1024000 count=$target

# DO NOT modify the indentation of the following herefile
#   DO NOT allow trailing spaces after either use of the word
#   END_HEREFILE -- be especially cautious of this with copy/paste

   mke2fs ubuntu.img << END_HEREFILE
y
END_HEREFILE

   # Strictly cosmetic
   echo "y"

   losetup /dev/block/loop1 ubuntu.img
   losetup /dev/block/loop2 oldubuntu.img
   mkdir $MOUNT/ubuntu
   mkdir $MOUNT/oldubuntu
   mount -t ext2 /dev/block/loop1 $MOUNT/ubuntu
   mount -t ext2 /dev/block/loop2 $MOUNT/oldubuntu
   cp -a $MOUNT/oldubuntu/* $MOUNT/ubuntu
   umount $MOUNT/ubuntu
   umount $MOUNT/oldubuntu
   rmdir $MOUNT/ubuntu
   rmdir $MOUNT/oldubuntu
   reboot

else
   echo "$target is not a good size"
   cd -
   exit
fi

cd /sdcard/ubuntu
su
bash ubuntu_sizer.sh

# cd /sdcard/ubuntu
# bash
bash-4.1# bash ubuntu_sizer.sh

Ubuntu image resizer - Please be root!

It is imperative that you ONLY run this immediately AFTER rebooting!
Tell the truth - did you just now reboot? [y/N] y
Existing Ubuntu image size: 2147 MB
Free space on SDcard: 2964 MB
Target size in MB? (minimum: 2150) 2500
Resizing ubuntu.img to 2500 MB

Beginning resize - will reboot when done.
Test ubuntu.img when complete - discard oldubuntu.img if happy

Please be patient - image creation will take several minutes

mke2fs prompt will be answered automagically

2500+0 records in
2500+0 records out
2560000000 bytes transferred in 614.510 secs (4165920 bytes/sec)
mke2fs 1.41.11 (14-Mar-2010)
ubuntu.img is not a block special device.
Proceed anyway? (y,n) y
Filesystem label=
OS type: Linux
Block size=4096 (log=2)
Fragment size=4096 (log=2)
Stride=0 blocks, Stripe width=0 blocks
156480 inodes, 625000 blocks
31250 blocks (5.00%) reserved for the super user
First data block=0
Maximum filesystem blocks=641728512
20 block groups
32768 blocks per group, 32768 fragments per group
7824 inodes per group
Superblock backups stored on blocks: 
	32768, 98304, 163840, 229376, 294912

Writing inode tables: done                            
Writing superblocks and filesystem accounting information: done

This filesystem will be automatically checked every 36 mounts or
180 days, whichever comes first.  Use tune2fs -c or -i to override.
[COLOR="Blue"]EarlyMon$ <---this is the kickout to my machine after reboot[/COLOR]

set
ls -l /system/bin/mount
ls -l /system/xbin/mount

# ls -l /system/bin/sh

-rwsrwxrwx root     shell       82840 2011-05-23 08:32 sh

# ls -l /system/bin/toolbox

-rwsrwxrwx root     shell       81544 2011-05-23 08:32 toolbox

ls -l /system/bin/sh*
ls -l /system/bin/toolbox

ls -l /system/bin/bash