Checklists for software errors, setup, and tool workflows.

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Fix Git Push Rejected Non-Fast-Forward After Pull

You run git pull, then git push, and get: ! [rejected] non-fast-f...

Docker Container Exits Immediately on Linux: Fixes
You start a Docker container, but it exits immediately. This is a common issue on Linux. The cont...

Fix VS Code Git Auth Failed with Personal Access Token
If you're using a personal access token (PAT) for Git authentication in VS Code and seeing &#...

Fixing Nginx Upstream Connection Refused and Permission Denied
If you see connect() failed (111: Connection refused) or connect() failed (13:...

Fix Windows Search Indexing High CPU Usage
If your computer's fan spins up and Task Manager shows Windows Search using a lot of CPU, the...

Fix Nginx Upstream Connection Refused in Proxy Pass
When Nginx returns a 502 Bad Gateway or logs upstream connection refused

Checklists for software errors, setup, and tool workflows.

Latest checklists

Fix Git Push Rejected Non-Fast-Forward After Pull

Docker Container Exits Immediately on Linux: Fixes

Fix VS Code Git Auth Failed with Personal Access Token

Fixing Nginx Upstream Connection Refused and Permission Denied

Fix Windows Search Indexing High CPU Usage

Fix Nginx Upstream Connection Refused in Proxy Pass

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