Ruby on Rails does not function on Amazon Linux servers.
Troubleshoot your installation
We deprecated the legacy Ruby codebase in cPanel & WHM version 66. We will not support any applications you create with the following interfaces:
To install Ruby and create Ruby web applications in cPanel & WHM version 66 and later, follow the directions in our How to Create Ruby Web Applications documentation.
This document outlines several problems that you may experience with your Ruby installation.
Ruby on Rails® web server port
Ruby on Rails uses its own web server, which must run on an alternate port. This causes an issue if you run a firewall on your system.
Ensure that you have opened each Ruby application's port in your firewall. We recommend that you only open the range of ports that are necessary to access each application (for example, if you run six Ruby applications, open ports
12006 on the firewall).
Unavailable RubyGems repository
Occasionally, the RubyGems repository is unavailable. If the RubyGems repository is unavailable during the installation process, run the
/usr/local/cpanel/scripts/installruby script again.
For more information, read the Ruby documentation.
To troubleshoot Mongrel-specific errors, review the
- If the errors indicate uninstalled gems, install them with the
gem install namecommand, where
namerepresents the gem name.
- If the errors indicate the wrong version of gems, run the
gem uninstallcommand, and then reinstall the correct gem version.
You can also restart the Mongrel server manually to resolve other issues. To do this, run the following command:
Run this command from the Ruby on Rails application's base directory as the user who owns the Ruby application.
If you encounter an unidentified problem, you can perform the following actions to troubleshoot the issue:
Use Ruby's built-in tools to diagnose the problem.
cPanel & WHM uses the standard set of Ruby on Rails tools.
- Check the
/usr/local/cpanel/logs/error_logfile and the
/log/mongrel.logfile for Ruby-related errors.
- Check for application-specific errors in the
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