If you´re in a hurry you could follow my quick starting guide below:
Step 1. Download and install VMware vShere PowerCLI:
VMware vSphere PowerCLI is available for download from http://www.vmware.com/support/developer/PowerCLI/index.html
Select the release you want to download from the drop-down list and click on the download-link.
Double-click on the downloaded installation-package and follow the instructions to install PowerCLI.
Step 2. Start PowerCLI and connect to a vCenter Server:
Double-click on the “VMware PowerCLI” icon to start PowerCLI.
Use the CmdLet ‘Connect-VIServer’ as shown below to connect to the vCenter Server:
I found a good blogpost that lists the most essential tools for penetration testing: http://www.paladinsec.com/penetration-testing-tools-equipment/
To summarise the post, the following tools are a good start:
– Vulnerability scanner (OpenVAS, Nexpose, Nessus)
– Word processor (Word, Writer)
– Internet access
– Liability insurance
– Virtualization (VirtualBox, VMware, Hyper-V)
– Kali Linux and a virtual Windows PC
– Network cables and a switch