Show HN: Witr – Explain why a process is running on your Linux system
Hacker News (score: 14)
Found: December 26, 2025
ID: 2810
Description
CLI Tool
Show HN: Witr – Explain why a process is running on your Linux system
Hi HN,
I built a small Linux CLI tool called witr (Why Is This Running?).
The idea came from a situation most of us have hit: you log into a machine, see a process or port running, and immediately wonder why it exists, who started it, and what is keeping it alive right now.
witr traces a process, service, or port back to its origin and responsibility chain and explains it in a way that’s quick to read, especially when you’re debugging under pressure.
This is v0.1.0. It’s intentionally small and focused. Feedback, criticism, and edge cases are very welcome.
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