Checklists for software errors, setup, and tool workflows.

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Jupyter Kernel Dead: Common Causes and Fixes

You're working in a Jupyter notebook, and suddenly the kernel dies. The notebook becomes unrespon...

Fix 'UFW Status Shows Port Not Active' Error

You run sudo ufw status and see a rule for a port, but the port isn't actually activ...

Fix Task Scheduler Cannot Connect to Server Error

When you open Task Scheduler and see "Task Scheduler cannot connect to the server" or a similar m...

Fix VS Code Remote SSH Connection Timeout Not Working

You're trying to connect VS Code to a remote server via SSH, but it times out and fails. The Remo...

Fix Conda Environment Creation Failure with Permission Denied

You run conda create -n myenv python=3.9 and get a Permission denied

Fix Windows Terminal Setup Configuration Update Errors
If you see an error during Windows Terminal setup that says something like "Configuration update ...