Stepmania Online

Can anyone help me install Stepmania 5 on Linux?

I think you will be able to get much better help on the official StepMania forums: http://www.stepmania.com/forums/
Just in case you don't get a satisfactory answer here

Not sure what distro you're running, but if you're on Ubuntu or Mint might be of some help.

Well, I don't really play SM5 on linux. (I just use windows to play it.) Although, if you want to compile the source, you can get the most up to date version here:

https://github.com/stepmania/stepmania

I haven't compiled sm5 in linux in ages so, I won't be much help here. (Yes, I have tried it but, it's been a while...) All I know is you will need to get a bunch of dependencies/libs. You will need to run... autogen.sh? and build it in one of the directories... (It's been ages sorry. For all I know, it may be different now.) If your too lazy, install it in wine like I did. :P

If you get stuck, ask the developers. They would be more help than I am. IRC: irc.freenode.net/#stepmania-devs

edit: Actually, read this. http://beta.stepmania.com/wiki/compiling-stepmania/

~ SpoOkyMagician