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Troubleshooting

Fixing Nginx Upstream Connection Refused on Port 443

You see "upstream connection refused" in your Nginx error log when proxying requests to p...

Troubleshooting

Fix 'Python Virtual Environment Activate Command Not Found'

When you try to activate a Python virtual environment with source venv/bin/activate ...

Troubleshooting

Fixing 'Command Not Found' in VS Code Terminal

You open the integrated terminal in VS Code, type a command you know is installed, and get ...


                    
                    
                        
                            
                            
                                Troubleshooting
                                Fix 'Port Already Used by Another Container' in Docker Compose
                                
When you run docker compose up and see an error like port is already allocated...

                            

                        
                    

                    
                    
                        
                            
                            
                                Troubleshooting
                                Fix Nginx Redirect Loop After SSL Certificate Install
                                
You installed an SSL certificate, and now your site redirects in a loop. The browser shows 'E...
                            
                        
                    
                    
                    
                        
                            
                            
                                Troubleshooting
                                Fix 'Python Command Not Found' in Git Bash on Windows
                                
When running Python in Git Bash on Windows, you may see bash: python: command not found



        
            
                
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                    Support Note
                     Test fixes in a non-critical profile first, keep backups for configuration files, and record exact error messages before changing settings.