Does anyone know of a bootable burnin tester?

I've used several programs over the years but they are all dos/windoze based. I'd like something in linux. The UBCD (ultimate boot cd) is okay for testing individual components but not for burnin testing.

I'm not looking for compatibility testing and would like to be able to test systems with either windoze, dos, linux, etc.

When I find a suitable program/suite, I'll burn it to a usb stick for use.

Any suggestions?