I have problem install vmware server on ubuntu server 9.10 64 (2.6.31-21-server)
i have googling aroud the world to find the answers and this is the best right now..
if you have download vmware server 2 and found this problem
unable to load vmnet
Execution aborted.
follow this guid and it will work ..
http://radu.cotescu.com/2010/01/19/how-to-install-vmware-server-ubuntu-fedora-opensuse/