Sorry for the silence guys. Apparently my forum notifications got caught by my spam filter.
Layolayo - What graphics card do you have? Cogs makes heavy use of vertex and pixel shaders, so if you don't have a dedicated graphics card with hardware support for transforms and lighting (Usually considered "OpenGL 2.0 compliant"), then your machine probably doesn't have the horsepower to run Cogs.
Doxin - You should have more than enough horespower, but from what I've seen, you'll likely need the proprietary drivers to run Cogs. I'm not much of a Linux driver expert, but so far, I haven't heard of any workarounds or alternatives.