Checklists for software errors, setup, and tool workflows.

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Fix Git Stash Error: index.lock File Exists

You run git stash and see: fatal: Unable to create 'path/.git/index.lock&#...

Git Merge Unrelated Histories vs Rebase: When and How to Use Each
You've tried to merge two Git branches and got the error: fatal: refusing to merge unre...

Fix Python Permission Denied When Installing Virtualenv with Pip
When you run pip install virtualenv and see a Permission denied err...

Fix Chrome Certificate Error: Invalid Authority with Proxy Settings
You open Chrome and see NET::ERR_CERT_AUTHORITY_INVALID on every site, even trus...

Fix 'Permission Denied' for Yarn in VS Code Terminal
When you try to run yarn in the VS Code integrated terminal and see a Permissi...

Fixing Nginx Upstream Connection Refused on Port 443
You see "upstream connection refused" in your Nginx error log when proxying requests to p...

Checklists for software errors, setup, and tool workflows.

Latest checklists

Fix Git Stash Error: index.lock File Exists

Git Merge Unrelated Histories vs Rebase: When and How to Use Each

Fix Python Permission Denied When Installing Virtualenv with Pip

Fix Chrome Certificate Error: Invalid Authority with Proxy Settings

Fix 'Permission Denied' for Yarn in VS Code Terminal

Fixing Nginx Upstream Connection Refused on Port 443

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