This section contains an updated set of articles meant to cover all areas of the product in an introductory fashion for the purpose of troubleshooting.

• Troubleshooting a Ruby Version Mismatch
• Troubleshooting PostgreSQL Service Start-Up Failures: Potential Permissions and Configuration Issues
• Troubleshooting MySQL Database Issues After Cloud Stack v7 Update
• Troubleshooting Deployment Failure Due to Gemfile and Gemfile.lock Mismatch
• Enabling Amazon RDS as a Database Provider in Engine Yard
• Understanding and Resolving Frequent Logging of Requests in Passenger Log File
• Monitoring and Alerting in Engine Yard
• Troubleshooting the Deployment Process in Engine Yard
• The Default Deploy Hooks in Engine Yard
• Understanding Backups, Snapshots, and Replication
• Working with Amazon RDS in Engine Yard
• Troubleshooting Database Issues
• The Utility Applications in Engine Yard
• Managing Applications with Monit and Systemd
• Debugging the Chef Run
• The Anatomy of Chef Cookbooks in Engine Yard
• The Chef Run in Engine Yard
• Troubleshooting Web Requests in Engine Yard
• The Rails Application Server in Engine Yard
• Utility Instance Cheat Sheet
• Database Instance Cheat Sheet
• Application Instance Cheat Sheet