Update Process does not show progress
If you find that the update process does not show progress on the web browser, this is due to not having the php5 sessions information stored on tempfs (kinda required if you run with a read-only system).
This is fixed from Pi-Star 3.3.8 and onwards, but if you run into this before installing 3.3.8, I have written a very simple fix for it:
Login to your pi-star over SSH, and run the following (you do not need to be root, and you do not need to make the disk writable first the script does all that for you):
bash <(curl -s http://www.mw0mwz.co.uk/pi-star/updateFix.sh)