http://mac-on-linux.sourceforge.net/wiki/index.php/Features#Apple_Guest_OSes

Apple Guest OSes 

OS Version________Boots_______Limitations

MacOS 7.5.2 - 8.6____Untested______Requires MacOS Boot ROM

MacOS 8.6 - 9.2.2____Yes__________ None

Click to expand...

So ... first, catch your Linux ...

Amazing what you can find with a few minutes of Googling, isn't it? :