Karyuu, we need your magical power to move this thread to the Linux forum
geko13Planeshift on Linux will most likely not start, or crash immediately after starting up, or show no texts, or show a corrupted picture, or delete everything on your hard disk, or burn your CPU and/or RAM, and give you a lot of gray hair

Or more seriously, search in the Linux
forums. There are several threads describing the same problem and they (hopefully) have a solution for you. To be honest, I never managed to get it working using the installer and built it myself from sources. The symptoms were quite similar -- a corrupted display.