Checklists for software errors, setup, and tool workflows.

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Fix Remote Desktop Connection Blocked by Firewall

When you try to connect to a remote PC using Remote Desktop (RDP) and get an error like “Remote D...

Fix Nginx Permission Denied Errors on Ubuntu

If you're seeing permission denied errors in your Nginx error log on Ubuntu, the...

Python Virtual Environment Not Activating on Ubuntu: Fixes

You've created a Python virtual environment on Ubuntu, but when you run source venv/bin...

Fix Git 'index.lock' File Exists Error in IntelliJ
If you see an error like fatal: Unable to create 'project/.git/index.lock': File ex...

Fix 'pip externally managed environment' on Ubuntu 23.04
If you're on Ubuntu 23.04 (Lunar Lobster) and try to install a Python package with pip, you m...

Fix Nginx Upstream Connection Refused Error
If you see upstream connection refused in your Nginx error logs, it means Nginx trie...

Checklists for software errors, setup, and tool workflows.

Latest checklists

Fix Remote Desktop Connection Blocked by Firewall

Fix Nginx Permission Denied Errors on Ubuntu

Python Virtual Environment Not Activating on Ubuntu: Fixes

Fix Git 'index.lock' File Exists Error in IntelliJ

Fix 'pip externally managed environment' on Ubuntu 23.04

Fix Nginx Upstream Connection Refused Error

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