...Look at the defines at the top for tweekability.
IMPORTANT: You must have wget installed first
To install, in a terminal type:
sudo apt-get install wget
To use:
extract: Upgrade Blender.sh to a directory
open up the file in your text editor to tweak options. See inside the file for more info on that.
Then run:
Most distros you can dbl click and select open in terminal.
Or manually in a terminal:
SUDO access is not required...
sh <path to file>