How Cosmic Is Built: Modularity, Rust, and Config Design

We're back from Texas just in time to chat with Jon Seager, Canonical's VP of Engineering, and their new era with Ubuntu 25.10. On the way, we visit System76 in Denver where the COSMIC team has surprises waiting for us.

Sponsored By:

• Managed Nebula: Meet Managed Nebula from Defined Networking. A decentralized VPN built on the open-source Nebula platform that we love.
• 1Password Extended Access Management: 1Password Extended Access Management is a device trust solution for companies with Okta, and they ensure that if a device isn't trusted and secure, it can't log into your cloud apps.

Support LINUX Unplugged

Links:

• 💥 Gets Sats Quick and Easy with Strike
• 📻 LINUX Unplugged on Fountain.FM
• COSMIC — Next generation Cosmic desktop environment. Use it on your favorite distro!
• System76 — Powerful Linux computers designed by nerds, engineered by experts, handcrafted by humans in the US.
• GitHub - pop-os/cosmic-epoch: Next generation Cosmic desktop environment
• GitHub - pop-os/cosmic-applets: WIP applets for cosmic-panel
• Pop!_OS 24.04 (with COSMIC Desktop) Just Hit Beta - OMG! Ubuntu
• Canonical releases Ubuntu 25.10 Questing Quokka
• Ubuntu Engineering in 2025: A Retrospective · Jon Seager
• Ubuntu 25.10 Fix Pending For Broken Flatpak Support - Phoronix
• LINUX Unplugged 634: Config Confessions
• Hybrid Pick: ncspot
• Pick: poop (Performance Optimizer Observation Platform) — This command line tool uses Linux's perf_event_open functionality to compare the performance of multiple commands with a colorful terminal user interface.
• sharkdp/hyperfine: A command-line benchmarking tool