Workflow manuals for setup steps, repeatable tasks, and software operations.

How to Fix a Detached HEAD in Git Using SourceTree

If you open SourceTree and see a message like “You are in ‘detached HEAD’ state,” it means your w...

Fix 'git pull failed index.lock file exists' Error

When running git pull, you may see an error like:

fatal: Unable to create &#...

How to Fix Chrome ERR_CONNECTION_RESET with DNS Flush

If Chrome shows ERR_CONNECTION_RESET, the connection was interrupted. This often...

Fix Docker Pull Access Denied on Windows 10

When you run docker pull on Windows 10 and see access denied, the pull ...

Fix Nginx 502 Bad Gateway with Docker and PHP-FPM

You have a Docker setup with Nginx proxying to a PHP-FPM container, and you're getting a 502 ...

Docker Nginx 502 Bad Gateway: Memory Limit Fix

You're running Nginx in Docker as a reverse proxy, and suddenly you see 502 Bad Gateway error...