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Grouper (Ubuntu)

Visual overview

Prefer a visual tour? See the Grouper overview → start page.

Based on: Ubuntu 26.04

Grouper brings the bootc model to the most familiar base in Linux: Ubuntu. Atomic image updates, composefs, and the same desktops as every other TunaOS variant — experimental today, parity-bound tomorrow.

Features​

  • 🧪 Experimental by design: Where we prove the Ubuntu bootc work. It has a composefs root and apt-built desktops, and the newest ideas come here first.
  • 🍺 Baked-in Homebrew: Standard across all TunaOS variants.
  • 📦 Flatpak First: Tuned for a desktop where containers hold the applications.

Status​

Grouper is Experimental now. We do not recommend it for production. It is where we prove the Ubuntu bootc work.

Downloads​

Images:

  • ghcr.io/tuna-os/grouper:gnome
  • ghcr.io/tuna-os/grouper:kde
  • ghcr.io/tuna-os/grouper:niri
  • ghcr.io/tuna-os/grouper:xfce

Installation​

Using Container Image​

podman pull ghcr.io/tuna-os/grouper:gnome

Building ISO with Just​

# Clone the repo
git clone https://github.com/tuna-os/tunaOS.git
cd tunaOS

# Build Grouper ISO
just build-iso grouper

Community Support​