• The APS Catalog has been deprecated and removed from all Plesk Obsidian versions.
    Applications already installed from the APS Catalog will continue working. However, Plesk will no longer provide support for APS applications.
  • Please be aware: with the Plesk Obsidian 18.0.78 release, the support for the ngx_pagespeed.so module will be deprecated and removed from the sw-nginx package.

Ruby On Rails Installation Instruction for Plesk 12 on Centos

Both articles are the most official sources you can have by now. One comes from the development team and another one from Parallels launch partner.
Stock Plesk guides don't cover such topics

Regards
 
Back
Top