---
title: "Two computers, one monitor, zero fiddling"
url: https://daily.dev/posts/two-computers-one-monitor-zero-fiddling-diyojflm1
source_url: https://alexplescan.com/posts/2025/08/16/kvm
type: article
source: "Hacker News"
published: 2026-05-18T19:47:03.747Z
updated: 2026-05-18T19:47:27.023Z
reading_time: 6
upvotes: 0
comments: 0
language: en
---

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# Two computers, one monitor, zero fiddling

**[Hacker News](https://daily.dev/sources/hn)** · 6 min read · 0 upvotes · 0 comments

## Summary

A practical guide to switching between a Mac laptop and Linux desktop using a single monitor, keyboard, and mouse without touching any cables. The setup uses a monitor with built-in KVM (MSI MPG 321URX) combined with DDC commands sent over the display cable. On macOS, m1ddc and Hammerspoon bind a keyboard shortcut to switch inputs; on Linux, ddcutil with KDE's shortcut manager achieves the same. The result is seamless input switching triggered entirely from the keyboard.

## Full article

daily.dev links to this article rather than hosting it. Read it at the original source: <https://alexplescan.com/posts/2025/08/16/kvm>

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