SSH Permission Denied (Publickey) on EC2: Setup Fixes - How to Resolve Defender Module Not Found-Troubleshooting MongoDB Compass localhost:27017 Connection

Updated 2026-06-13 20:18:42macos-help
SSH Permission Denied (Publickey) on EC2: Setup Fixes - How to Resolve Defender Module Not Found-Troubleshooting MongoDB Compass localhost:27017 Connection
Before changing system settings, save your work and note the exact error text so you can compare results after each step.

Extra verification checklist

  • Restart the affected app after changing permissions or configuration files.
  • Test the same workflow in a clean browser profile or a temporary user account.
  • Compare the result on another network if the error may be connection related.