Installing VMware Workstation from http://www.vmware.com/jp/products/desktop_virtualization/workstation/overview
Installing Packer from http://www.packer.io/downloads.html
To build packer yourself, install golang 1.1. http://skywir3.wordpress.com/2013/05/15/how-to-install-go-golang-1-1-in-linux-from-source-tar-gz-file/