Actually this is what you can find on Parallels web site
Download Option 1: "One-Click" installer
Use the One-Click Installer utility to perform a clean installation of the Panel in one step into any Linux OS. The utility automatically determines your operating system and installs the latest version of an appropriate distributive in the typical configuration.
One-Click Installer works only on Linux OSes.
To install the Panel, run one of the following commands on behalf of the superuser:
- If you have the wget utility, run
wget -O - http://autoinstall.plesk.com/one-click-installer | sh
- If you have the curl utility, run
curl http://autoinstall.plesk.com/one-click-installer | sh
- If you have the fetch utility, run
fetch -o - http://autoinstall.plesk.com/one-click-installer | sh
The installer can be downloaded via web interfaces as well
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