# A Kernel in Every Core URL: /show/linux-unplugged/633/ > 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. - Show: [LINUX Unplugged](/show/linux-unplugged/) - Episode: 633 - Date: 2025-09-21 - Hosts: brent, chris, wes - Duration: 01:28:36 - Audio: https://aphid.fireside.fm/d/1437767933/f31a453c-fa15-491f-8618-3f71f1d565e5/9a5d5c7e-85c5-4580-a6ca-668acf3229ec.mp3 Transcripts: [text/vtt](https://feeds.jupiterbroadcasting.com/transcripts/lup/9a5d5c7e-85c5-4580-a6ca-668acf3229ec.vtt) [application/x-subrip](https://feeds.jupiterbroadcasting.com/transcripts/lup/9a5d5c7e-85c5-4580-a6ca-668acf3229ec.srt) Sponsors: - [Nebula](/sponsors/defined.net-lup/index.md): Meet Managed Nebula from Defined Networking. A decentralized VPN built on the open-source Nebula platform that we love. - [1Password Extended Access Management](/sponsors/1password.com-lup/index.md): Secure every sign-in for every app on every device. - [Unraid](/sponsors/unraid.net-lup/index.md): A powerful, easy operating system for servers and storage. Maximize your hardware with unmatched flexibility. ### Episode Links * [πŸ’₯ Gets Sats Quick and Easy with Strike](https://strike.me/ "πŸ’₯ Gets Sats Quick and Easy with Strike") * [πŸ“» LINUX Unplugged on Fountain.FM](https://www.fountain.fm/show/dWiuBeqpDSM86AwXRXov "πŸ“» LINUX Unplugged on Fountain.FM") * [nebula-tower](https://github.com/transformerlab/nebula-tower "nebula-tower") β€” A user-friendly server to manage your Slack Nebula mesh network. * [Texas Linux Festival 2025 - Austin, TX](https://2025.texaslinuxfest.org/ "Texas Linux Festival 2025 - Austin, TX") * [JB Meetup: Austin Unplugged Birthday Lunch Party, Sat Oct 4 - Meetup.com](https://www.meetup.com/jupiterbroadcasting/events/311012106 "JB Meetup: Austin Unplugged Birthday Lunch Party, Sat Oct 4 - Meetup.com") * [JB Meetup: Austin Unplugged Birthday Lunch Party - Colony Events](https://colonyevents.com/rKm3Q4D8bzxh6Mp0L_eKc?e=0vi3zunvzweodcqx5sbq37txr4nt1mqy "JB Meetup: Austin Unplugged Birthday Lunch Party - Colony Events") * [Turnstile Coffee Beer Cocktails and Burgers - Austin, TX](https://turnstilebrews.com/ "Turnstile Coffee Beer Cocktails and Burgers - Austin, TX") * [bitchat](https://bitchat.free/ "bitchat") * [Ad-Free Viewing By Showing Your Support During The Phoronix Oktoberfest / Autumn Sale](https://www.phoronix.com/news/Phoronix-Fall-Promotion-2025 "Ad-Free Viewing By Showing Your Support During The Phoronix Oktoberfest / Autumn Sale") β€” 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](https://release.gnome.org/49/ "GNOME 49 Release Notes") β€” We code named the release β€œBrescia”, after a beautiful Italian city that hosted this year’s GUADEC. * [GNOME 49 Officially Released With Wayland Improvements, Showtime As Video Player](https://www.phoronix.com/news/GNOME-49-Released "GNOME 49 Officially Released With Wayland Improvements, Showtime As Video Player") * [Ubuntu 25.10 Beta Officially Released For Testing](https://www.phoronix.com/news/Ubuntu-25.10-Beta "Ubuntu 25.10 Beta Officially Released For Testing") β€” 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](https://www.phoronix.com/news/Ubuntu-Rust-Coreutils-Perf "Ubuntu 25.10's Rust Coreutils Transition Has Uncovered Performance Shortcomings") β€” 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](https://github.com/uutils/coreutils/issues/8574 "base64 implementation almost 8x slower than GNU for some large files") * [sort does not finish for large one line file](https://github.com/uutils/coreutils/issues/8583 "sort does not finish for large one line file") * [Fedora 43 Beta ISOs Released For Testing](https://www.phoronix.com/news/Fedora-43-Beta-Released "Fedora 43 Beta ISOs Released For Testing") β€” Fedora 43 Beta ISOs are now available for those wanting to help in testing. * [Omarchy 3.0](https://github.com/basecamp/omarchy/releases/tag/v3.0.0 "Omarchy 3.0") β€” Omarchy 3.0 is here β€” faster installs, big MacBook support, and lots of polish. * [systemd 258 Released With systemd-factory-reset & Other New Tools](https://www.phoronix.com/news/systemd-258 "systemd 258 Released With systemd-factory-reset & Other New Tools") β€” 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](https://www.phoronix.com/news/systemd-258-rc1 "systemd 258-rc1 Is A Massive Feature Release With New Tools, More Than 260 Changes") * [Kernel RFC: Introduce multikernel architecture support](https://lwn.net/ml/all/20250918222607.186488-1-xiyou.wangcong@gmail.com/ "Kernel RFC: Introduce multikernel architecture support") β€” 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]](https://www.sigops.org/s/conferences/sosp/2009/papers/baumann-sosp09.pdf "The Multikernel: A new OS architecture for scalable multicore systems \[PDF\]") * [mirdaki/computer-config](https://github.com/mirdaki/computer-config "mirdaki/computer-config") β€” Config for server and personal deployments * [My Ultimate Self-hosting Setup](https://codecaptured.com/blog/my-ultimate-self-hosting-setup/ "My Ultimate Self-hosting Setup") β€” 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](https://github.com/basecamp/once-campfire "basecamp/once-campfire") β€” Campfire is a web-based chat application. * [Pick: savr: Read it later. Keep it local. No server needed.](https://github.com/jonocodes/savr "Pick: savr: Read it later. Keep it local. No server needed.") β€” Savr is an app for saving online content to read later. It is file-centric, offline first, future proof, and favors decentralization.