You will need to upgrade to at least a link 4 to run cPanel on your VPS.
To install cpanel on your VPS, you will need to first log into your server as root after a fresh installation. Since the installation can take a while, I recommend installing screen (apt-get or yum install screen). Now you will want to download and install cPanel:
If you get disconnected, you can ssh back into your server as root, and run:
After everything is complete, and there are no errors, you should be able to access the WHM control panel by visiting https://your_ip:2087