Yea, Ubuntuforums don't allow editing posts for longer than 3 weeks. So no choice but to write a new one on each update, check a few posts up for a link like this
Originally Posted by rainbatt
Edit: now they allow editing again. First post updated
That's strange, what distribution/version are you using? Could you try this in a terminal and tell me the output?
Originally Posted by gnihc11
That will tell you if you got all the packages required by Minecraftinstaller installed. (If you got the tool dpkg installed that is)
dpkg -s bash sudo gksu zenity wget | grep 'Package\|Status'