- Plesk 10.x for Linux
- Plesk 11.x for Linux
- Plesk 12.0 for Linux
How to install Ruby on rails on Plesk on CentOS 6 / RHEL 6?
Ruby on rails is not supported by Plesk on CentOS 6 / RHEL 6
As a workaround install Ruby , Gems and mod_passenger manually. More details avalible here: https://www.phusionpassenger.com/download/#open_source