===== Ubuntu rootfs on USB HDD =====

To this you'll need:
      * PC running Linux
      * **ODROID-C1** [[c1_release_linux_ubuntu|Ubuntu Image]]
      * 256MB Minimum MicroSD (Contents will be erased)
      * 8GB Minimum USB Disk (Contents will be erased)

<WRAP left round alert 100%>
Running the guide will erase the contents of your MicroSD/USB Disk. Its highly recommended to double check before running any of the commands it may even break your OS Install
</WRAP>
<WRAP left round alert 100%>
Replaced /dev/sdX with the microsd/usb disk nodes! Make sure of what you are choosing here! 
</WRAP>
<WRAP left round alert 100%>
Replace **ubuntu-14.04.1lts-lubuntu-odroid-c1-20141211.img.xz** with the name of a new image if it exists!
</WRAP>

1. Become root!
<code>
sudo -s
</code>

2. Clean up the **MicroSD**
<code>
dd if=/dev/zero of=/dev/sdX bs=1M count=10
</code>

3. Write the base to the microsd card.
<code>
xzcat ubuntu-14.04.1lts-lubuntu-odroid-c1-20141211.img.xz | dd of=/dev/sdX bs=1M count=150
</code>

4. Remove a useless partition from **MicroSD**
<code>
parted /dev/sdX rm 2
</code>

5. Sync to write any left data
<code>sync</code>

6. Remove the **MicroSD** and connect it to the board. **Don't power it up yet!**
Also, connect your USB HDD or USB Flash Drive to your PC.

7. Clean up the **USB DISK**
<code>
dd if=/dev/zero of=/dev/sdX bs=1M count=10
</code>

8. Write the image to the **USB DISK**
<code>
xzcat ubuntu-14.04.1lts-lubuntu-odroid-c1-20141211.img.xz | dd of=/dev/sdX bs=1M
</code>

9. Remove the useless partition from the **USB DISK** 
<code>
parted /dev/sdX rm 1
</code>

<WRAP left round alert 100%>
Be careful, the command below must be run exactly as its posted. Just replace the /dev/sdX for your device!
</WRAP>

10. Resize the partition the **USB DISK**
<code>
fdisk /dev/sdX <<EOF
d
2
n
p
2
266240

w
EOF
</code>

11. Clean & Resize the **USB DISK**
<code>
e2fsck -y -f /dev/sdX2
resize2fs /dev/sdX2
</code>

12. Sync up to make sure everything is written
<code>
sync
</code>

13. Connected everything to the board and power it up! It should work.



If you want to discuss this guide jump into our [[http://forum.odroid.com|Forums]]
Make sure to post logs and use a very rich amount of details.


**Useful Tips by johnbeetem from the** [[http://forum.odroid.com/viewtopic.php?f=112&t=9392|ODROID Forum]]