Checklists for software errors, setup, and tool workflows.

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Latest checklists

Fix Python Permission Denied When Installing Virtualenv with Pip

Fix Python Permission Denied When Installing Virtualenv with Pip

When you run pip install virtualenv and see a Permission denied err...

Fix 'nginx: configuration test failed unexpected end of file'

Fix 'nginx: configuration test failed unexpected end of file'

When running nginx -t or nginx -t -c /path/to/nginx.conf, you might see...

Fix npm install Permission Denied on Linux

Fix npm install Permission Denied on Linux

When you run npm install on Linux and hit a permission denied error, it usually mean...

Fix Nginx Upstream Connection Refused & Upstream Not Found

Fix Nginx Upstream Connection Refused & Upstream Not Found

When you see upstream connection refused or upstream not found in your ...

Fix Windows Update Service Not Running for System Restore

Fix Windows Update Service Not Running for System Restore

You might see “System Restore did not complete successfully” or “Windows Update service is not ru...

Fix Git Clone Connection Timed Out Due to Firewall

Fix Git Clone Connection Timed Out Due to Firewall

You run git clone and after a long pause see connection timed out. This...