Checklists for software errors, setup, and tool workflows.

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Fix 'pip externally managed environment' Error on Python 3.11

When you try to install a package with pip on Python 3.11 and see the error error: external...

Fix Nginx 'Permission Denied' Upstream Errors
When Nginx logs permission denied while connecting to an upstream (e.g., a Unix sock...

Fix Nginx Configuration Test Failure from Rewrite Rules
You run nginx -t and get an error. The log points to a rewrite rule. This is common ...

Fix Docker Desktop Engine Stopped After Sleep Mode
You wake your computer from sleep, open Docker Desktop, and see the engine is stopped. The whale ...

Update Git SSL Certificates to Fix 'unable to get local issuer'
If you see fatal: unable to access 'https://...': SSL certificate problem: unable t...

Fix Nginx Upstream Connection Refused & Upstream Not Found
When you see upstream connection refused or upstream not found in your ...

Checklists for software errors, setup, and tool workflows.

Latest checklists

Fix 'pip externally managed environment' Error on Python 3.11

Fix Nginx 'Permission Denied' Upstream Errors

Fix Nginx Configuration Test Failure from Rewrite Rules

Fix Docker Desktop Engine Stopped After Sleep Mode

Update Git SSL Certificates to Fix 'unable to get local issuer'

Fix Nginx Upstream Connection Refused & Upstream Not Found

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