Checklists for software errors, setup, and tool workflows.

Fix Git SSL Certificate Problem: Unable to Get Local Issuer

You run git clone https://example.com/repo.git and get:

fatal: unable to acc...

Fix VS Code Breakpoint Not Hit in Remote Development

You set a breakpoint in VS Code while working in a remote environment—SSH, container, or WSL—but ...

Docker Container Exits Immediately: Diagnosing Out of Memory

You start a Docker container and it exits within seconds. The logs show nothing obvious, or they ...

Fix ERR_NAME_NOT_RESOLVED After Chrome Update

If Chrome started showing ERR_NAME_NOT_RESOLVED on every website right after an upda...

Python Virtual Environment Not Activating on Mac: Fixes

You open Terminal, run source venv/bin/activate, and nothing happens—or you get an e...

DNS Probe Finished NXDOMAIN vs Server Not Found: Key Differences

When you see a 'DNS probe finished NXDOMAIN' or 'Server not found' error in your ...