http://mohammadag.xceleo.org/public/NITUbuntu/ubunturootfs.tar.bz2

Quick instructions, the instructions are based on gparted,

1. Connect the N900 to a PC running linux (Live CDs/Virtual machines will suffice).
2. Use gparted to partition the N900's MicroSD card, the image is 2.3GBs uncompressed, so you'll need at least 2.5GBs to run Ubuntu (3GBs if you want extra space for /home or apps).
3. Unpack the tar.bz2 into the root of the partition, an easy way to do this would be to use file-roller, the default archive manager in Ubuntu.
4. Disconnect the N900 from your PC.
5. Open terminal, type ls /dev/mmcblk1* to see the partitions on your MicroSD.
Assuming your partition is /dev/mmcblk1p2,

Code:
mkdir -p /mnt/ubuntu && mount /dev/mmcblk1p2 /mnt/ubuntu


Code:
cp -r /lib/modules/* /mnt/ubuntu/lib/modules/
cp /lib/firmware/* /mnt/ubuntu/lib/firmware/
chroot /mnt/ubuntu /bin/bash
useradd -m <replace with your username here> (e.g useradd -m mohammad)
# fill in details as you wish.
visudo
# Edit the file and add your username to sudoers using visudo
# Example (replace my username with yours)
# # User privilege specification
# root ALL=(ALL) ALL
# mohammad ALL=(ALL) ALL
Code:
cp /usr/share/applications/gnome-terminal.desktop /home/mohammad/Desktop/
Code:
exit
6. Install bootmenu-n900 and add a bootmenu entry in /etc/bootmenu.d
Code:
vi /etc/bootmenu.d/ubuntu.ext.item
# Press I to enter input mode.
# Replace partition numbers with the ones on your device.
Code:
ITEM_NAME="Ubuntu 9.10 Karmic (external SD, partition 2)"
ITEM_ID="ubuntu"
ITEM_DEVICE="${EXT_CARD}p2"
ITEM_MODULES="mbcache jbd ext3"
ITEM_FSTYPE="ext3"
ITEM_FSOPTIONS="noatime,rw"
Shutdown the N900, hold the U key to go into flashing mode then
Code:
flasher-3.5 --enable-rd-mode --set-rd-flags=no-omap-wd,no-lifeguard-reset,no-ext-wd

Reboot, and pick Ubuntu in the bootmenu and gnome desktop should start.

to get BT working
Code:
echo "00:11:22:33:44:55" > /sys/devices/platform/hci_h4p/bdaddr; modprobe -r hci_h4p; modprobe hci_h4p



CREDITS TO MohammadAG ON MAEMO.ORG

Running Ubuntu on a 3.5 inch screen is funny


Hey 4llerbuntu, i got a Barnes and Noble Nook Color for sale, already rooted with FroYo running off the SD card. You can also throw on a Honeycomb port on it. Plus it'll run Ubuntu just fine.
Interested?

waddya know pretty useful at times.


how mush for the nook? truth be told not digging tablets right now. dat thing got ports and useful batteries?