How to Fix Nginx Upstream Connection Refused on Port 80
When nginx logs show "upstream connection refused" while connecting to port 80, it means ...
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All notesFix Nginx Configuration Test Failure on Location Directive
When you run nginx -t and see an error like [emerg] invalid location directive...
Common Causes of Nginx Configuration Test Failure
When you run nginx -t and see an error, it usually means a syntax mistake, a missing...
Fix 'package.json Not Found' After Cloning a Repository
Symptom
You clone a repository from GitHub (or another remote), change into the directory...
Checklist for Nginx Configuration Test Failure
When you run nginx -t and get a failure, the server won't reload or restart. Thi...
How to Create a New Branch from a Detached HEAD in Git
If you see a message like "You are in 'detached HEAD' state" in Git, it means you...
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Resolving 'index.lock file exists' in Git
Firefox Secure Connection Failed: Date and Time Fix