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Latest Troubleshooting Guides

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Troubleshooting

How to Manually Download Windows Updates for Ubuntu

If you manage a dual-boot system or need to apply Windows updates from an Ubuntu machine, manuall...

Troubleshooting

How to Fix Docker Daemon Not Running Permission Denied Error

You try to run a Docker command like docker ps and get an error: Cannot connec...


                    
                    
                        
                            
                            
                                Troubleshooting
                                Fix PowerShell Execution Policy Error on Windows
                                
When you try to run a PowerShell script and see the error unable to run script because exec...

                            

                        
                    

                    
                    
                        
                            
                            
                                Troubleshooting
                                Fix Docker Compose Build No Cache Error
                                
When you run docker compose build --no-cache and hit an error, it usually means the ...
                            
                        
                    
                    
                    
                        
                            
                            
                                Troubleshooting
                                Fix MySQL Connection Refused on Localhost
                                
You try to connect to MySQL on localhost and get ERROR 2003 (HY000): Can't connect to MySQL...

                            

                        
                    

                    
                    
                        
                            
                            
                                Troubleshooting
                                How to Fix MySQL Connection Refused and Permission Denied Errors
                                
When you see ERROR 2003 (HY000): Can't connect to MySQL server on 'host' (111 Connection re...



        
            
                
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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.