Hi!
Few days ago I upgraded Plesk 12 to Onyx 17.5.3. I tried install Ruby extension for Onyx. But, installation failed with message:
Execution of /opt/psa/admin/plib/modules/ruby/scripts/post-install.php failed with exit code 1 and the output:
[2017-07-19 20:41:40] ERR [panel] Execution...