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The original was posted on /r/selfhosted by /u/taylorwilsdon on 2025-07-14 00:19:40+00:00.
netshow is super lightweight, a go-anywhere type of tool mainly to keep me from going crazy as the terminal focus bounces around with any other network tool I've tried. Uses Textual UI for interactivity, psutil & lsof as datasources with some additional little magic bits. Works great in Linux & macOS, will not work for Windows.
I shared my open source tool for interactive network monitoring, port usage & process identification on r/selfhosted almost exactly a month ago, and just released v0.2 with a bunch of improvements based on the feedback I got then - I thought you fine folks might appreciate! Now has a no-emoji mode for those who prefer a nice clean UI, just hit the "e" key in app to removal all traces of emoji slop.
Can be driven entirely by keyboard, works great with headless systems.
uvx netshow will get you started, or pip install netshow if uv ain't your cup of tea - run with sudo for psutil, fallback to drawing from lsof without
Repo in the post link, feedback is more than welcomed - feel free to rip it apart, steal it and critique the code as you please!