* wget http://download3.vmware.com/software/vmserver/VMware-server-1.0.8-126538.tar.gz
While you begin downloading VMware, register here to get the free serial key.
Also, install the following package:
* sudo apt-get install kernel-package xinetd
Now, unpack the VMware pacakage:
* tar zxvf VMware-server-1.0.8-126538.tar.gz
* cd vmware-server-directory
Run the installation script:
* sudo ./vmware-install.pl
Now you will get a series of questions that you need to answer and finally it will install the VMserver on your Ubuntu box.