Ubuntu Geek posted a guide about installing VMware Tools in Ubuntu 12.04 Guest

If youre running Ubuntu virtual machine on a VMware product, its recommended to install vmware tools to get advanced features and better performances. While installing Ubuntu guest OS, VMware will try to auto-install vmware tools but fail in most cases. Heres a manual way installing vmware tools after finish installing Ubuntu 12.04 guest os.

  How to Install VMware Tools in Ubuntu 12.04 Guest