LUP 633: A Kernel in Every Core¶
- Air Date: 2025-09-21
- Duration: 88 mins 36 secs
About this episode¶
Can't get enough Linux? How about multiple kernels running simultaneously, side by side, not in a VM, all on the same hardware; this week it's finally looking real.
Your hosts¶
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.
- Unraid: A powerful, easy operating system for servers and storage. Maximize your hardware with unmatched flexibility.
Episode links¶
- 💥 Gets Sats Quick and Easy with Strike
- 📻 LINUX Unplugged on Fountain.FM
- nebula-tower — A user-friendly server to manage your Slack Nebula mesh network.
- Texas Linux Festival 2025 - Austin, TX
- JB Meetup: Austin Unplugged Birthday Lunch Party, Sat Oct 4 - Meetup.com
- JB Meetup: Austin Unplugged Birthday Lunch Party - Colony Events
- Turnstile Coffee Beer Cocktails and Burgers - Austin, TX
- bitchat
- Ad-Free Viewing By Showing Your Support During The Phoronix Oktoberfest / Autumn Sale — Through the end of the month (30 September), you can enjoy premium at the Oktoberfest rate. The normal Phoronix Premium rate is $45 USD per year or $250 for a lifetime subscription but for this year's Oktoberfest deal, you can go premium for just $30 per year or $150 for a lifetime subscription.
- GNOME 49 Release Notes — We code named the release “Brescia”, after a beautiful Italian city that hosted this year’s GUADEC.
- GNOME 49 Officially Released With Wayland Improvements, Showtime As Video Player
- Ubuntu 25.10 Beta Officially Released For Testing — Canonical today released the Ubuntu 25.10 Beta as they work toward the stable Ubuntu 25.10 release in mid-October.
- Ubuntu 25.10's Rust Coreutils Transition Has Uncovered Performance Shortcomings — Ubuntu 25.10's transition to using Rust Coreutils in place of GNU Coreutils has uncovered a few performance issues so far with the Rust version being slower than the C-based GNU Coreutils.
- base64 implementation almost 8x slower than GNU for some large files
- sort does not finish for large one line file
- Fedora 43 Beta ISOs Released For Testing — Fedora 43 Beta ISOs are now available for those wanting to help in testing.
- Omarchy 3.0 — Omarchy 3.0 is here — faster installs, big MacBook support, and lots of polish.
- systemd 258 Released With systemd-factory-reset & Other New Tools — Systemd 258 brings systemd-factory-reset to request a factory reset on the next reboot, systemd-pty-forward to allocate a pseudo TTY/PTY, UEFI firmware images can now be embedded in a UKI, and many other new features.
- systemd 258-rc1 Is A Massive Feature Release With New Tools, More Than 260 Changes
- Kernel RFC: Introduce multikernel architecture support — This patch series introduces multikernel architecture support, enabling multiple independent kernel instances to coexist and communicate on a single physical machine. Each kernel instance can run on dedicated CPU cores while sharing the underlying hardware resources.
- The Multikernel: A new OS architecture for scalable multicore systems [PDF]
- mirdaki/computer-config — Config for server and personal deployments
- My Ultimate Self-hosting Setup — Matthew shares their ultimate self-hosting setup built on NixOS, ZFS, and Tailscale, balancing privacy, data control, and usability for family and friends.
- basecamp/once-campfire — Campfire is a web-based chat application.
- Pick: savr: Read it later. Keep it local. No server needed. — Savr is an app for saving online content to read later. It is file-centric, offline first, future proof, and favors decentralization.
Tags¶
anaconda webui, barrelfish, brisket boost, campfire, cong wang, dhh, fake boost, fedora 43, fedora kinoite, gnome, gnome 49, hyprland, jb meetup, jupiter broadcasting, kexec, linux multikernel, linux podcast, linux unplugged, multikernel architecture support, nebula, omarchy, omarchy 3.0, open source, owntracks, paperless-ngx, phoronix, rate my nix, rust, rust coreutils, savr, systemd, systemd 258, texas linux fest, txlf, ubuntu, ubuntu 25.10, wayland, wee deep dive