An E-Ink Homelab Dashboard on a Jailbroken Kindle

I had an old Kindle sitting in a drawer for years. It still charges, the battery seems to work, and the screen is perfectly readable in daylight. Throwing it away felt wrong and at the same time I kept opening Proxmox or Uptime Kuma in a browser tab just to check whether anything in my homelab was broken. That is a lot of clicks for a question with a one-word answer. So the Kindle now stands on a shelf and shows the answer without me asking. How it works The split between device and server is deliberate. A Flask app runs in a container on one of my LXCs. It collects data from a few sources, renders a 600x800 grayscale PNG with Pillow, and serves it at /dash.png. The Kindle runs a shell loop that downloads that image every five minutes and draws it with eips. pve · no Docker Uptime Kuma Open-Meteo Proxmox API Kindle dashink cron */15 · pool usage + SMART monitor states weather + sun uptime on docker-apps renders 600×800 grayscale PNG eips → framebuffer dashink-collect.sh :8099 GET…