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Brunch With Brent: Tim Canham | Jupiter Extras 87 Jul 10, 2022

Show notes

Brent sits down with Tim Canham, Senior Software Engineer at NASA's Jet Propulsion Laboratory. We explore topics including the hardware and software powering NASA’s Ingenuity Mars Helicopter; JPL's switch from Solaris to Linux; the open source projects, tools, and philosophy at JPL, ...and more.

Special Guest: Tim Canham.

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Links:

LINUX Unplugged
LINUX Unplugged - Tim Canham
Timothy Canham - People Profile - NASA Mars
NASA Jet Propulsion Laboratory (JPL) - Robotic Space Exploration
Mars Helicopter - NASA Mars
Mars Perseverance Rover | NASA
Cassini | NASA
Curiosity – NASA Mars Exploration
Sun Microsystems - Wikipedia
Oracle Solaris - Wikipedia
Fry's Electronics - Wikipedia
Matplotlib — Visualization with Python
Elasticsearch — The Official Distributed Search & Analytics Engine
BBC World Service - 13 Minutes to the Moon
BBC World Service - 13 Minutes to the Moon, Ep.05 The fourth astronaut — The computer that got us to the moon. The size of a briefcase, there had never been anything like it. Apollo 11 was “the first time software ran on the moon”.
Impostor syndrome - Wikipedia
How NASA Designed a Helicopter That Could Fly Autonomously on Mars - IEEE Spectrum
GitHub - F´ - A Flight Software and Embedded Systems Framework
F´ - A Flight Software and Embedded Systems Framework
Meet the Open-Source Software Powering NASA’s Ingenuity Mars Helicopter
quickemu — Quickly create and run optimised Windows, macOS and Linux desktop virtual machines.
MythTV, Open Source DVR
Brent Gervais - @brentgervais on Twitter

Podcasting is Back | Office Hours 7 Jul 08, 2022

Show notes

The community is quick at work; we share major updates on our new website project, and chat with the "Offical" Podcasting 2.0 consultant to find out what he's developing next for podcast listeners.

Special Guest: Alecks Gates.

Sponsored By:

Links:

Office Hours 7 Live Video - JupiterTube — Watch the live stream version of the show.
Linux Foundation Uses DRM for New Podcast — Fun fact: the website for the Linux Foundation’s podcast The Untold Stories of Open Source uses a Spotify embedded player, which, um, uses a DRM solution, and makes a certificate call to a Widevine server on load.
Podcasting 2.0 ushers in a new era for podcasting — Podcasting is back. You might be wondering: Did it ever leave? Yes, it did. A true podcast is based on an open protocol (RSS) that any player can use to subscribe to any show.
Podverse: "NEW: Embed a Podverse player on your website! 🥳 — NEW: Embed a Podverse player on your website!
Share a single episode, or a list of all episodes.

Also: change the styles of your player with a customization script.
Alecks' Blog — As long as humanity has been around, we have, in one way or another, commented on things.
Office Hours 5 - The episode we start talking about the new site project
The New Hugo based MVP jupiterbroadcasting.com
Jupiter Broadcasting Web Site GitHub — Join the project over on our GitHub page.
Citadel for of Umbrel — Citadel allows you to run a Bitcoin Lightning node or a personal server on a Raspberry Pi. Citadel is proudly Free and open-source software (FOSS). Anyone is free to use, copy, study, and change the software in any way.
Grab a New Podcast App that's Podcasting 2.0 Compatiable — Grab an app that supports all the new features being built with Podcasting 2.0, and send a Boost into the show!

Linux Action News 248 Jul 07, 2022

Show notes

The new movement to leave GitHub, an Ubuntu bug biting 22.04 users, the hardware platform Fedora might start taking seriously, and a major desktop dev departs Red Hat.

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Links:

Give Up GitHub: The Time Has Come! — Today, we take a stronger stance. We are ending all our own uses of GitHub, and announcing a long-term plan to assist FOSS projects to migrate away from GitHub.
Roma, one of the first RISC-V laptops, may ship in September — As for the specs, the Roma laptop will, we're told, come with a quad-core RISC-V processor, an Arm security enclave core, a GPU/NPU accelerator for video and AI workloads, up to 16GB of LPDDR4 or LPDDR4X memory, and up to 256GB of storage.
System76 Announces New Alder Lake Laptop With Coreboot Firmware — System76 has announced a new Lemur Pro laptop model that is now offering 12th Gen "Alder Lake" Intel processors while continuing to feature Coreboot firmware.
System76.com
Fedora May Finally Provide Official Support For The Raspberry Pi 4 — The hope with this change proposal is to provide more "official" support for Fedora Linux on the Raspberry Pi 4B / 400 / CM4 hardware.
Changes/RaspberryPi4 - Fedora Project Wiki
Fedora 37 Proposing To Allow Unrestricted Access To Flathub
Fedora 37 Looks To Better Manage Its 175MB+ Of Linux Firmware Blobs
Fedora 37 Gets A Batch Of New Features Approved
New Ubuntu MATE Release — Improved compositor and video playback performance, zswap (lz4) by default & optimised image sizes
Systemd Creator Lands At Microsoft — The prominent open-source developer responsible for several prominent projects joined Microsoft and is continuing his focus on systemd development.
Lennart Poettering - systemd + PulseAudio Creator - Departed Red Hat
Linode Now Supports Kali Linux
Ubuntu 22.04 LTS Has A Change On The Way For Systemd-OOMD Being Kill-Happy With Apps
ManagedOOMSwap docs
Discussion: systemd-oomd issues on desktop
249.11-0ubuntu3.4 : systemd package : Ubuntu

Laptop Coasters | Coder Radio 473 Jul 06, 2022

Show notes

Mike's Linux Toolchain for 2022, and his first week with CoPilot. Then we chat about the series of choices that led us to go independent so many years ago.

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Links:

Michael Dominick on Twitter — Is this tweet too corny? ;)
Matrix Meetup Space
Calagator — Calagator is an open-source community calendaring platform.
My Linux Toolbox '22 - dominickm.com — I got some request for what my work stack is like on Linux compared to what it was on macOS. Some of these applications I use on both systems but am listing anyway because they have some feature that facilitates that.
Junction: Application/browser chooser — Junction lets you choose the application to open files and links.
Check out Fountain a Podcasting 2.0 App — Send a boost into the show with Fountain.
Grab a New Podcast App — Check out the Podcasting 2.0 compatible apps with new features and Boost support.

Too Nixy for My Shirt | LINUX Unplugged 465 Jul 03, 2022

Show notes

The one shared secret behind some of the world's most powerful open-source projects.

Brent's Node:
03cf7e9b79a3230749db642ad690889065ec35b9ded184266d4fce424ab75470fc

Sponsored By:

Support LINUX Unplugged

Links:

Git from the inside out — The essay focuses on the graph structure that underpins Git and the way the properties of this graph dictate Git’s behavior.
gitk — The Git repository browser
ungit — The easiest way to use git. On any platform. Anywhere.
Trustix — Distributed trust and reproducibility tracking for binary caches
Kexec and Kdump on Raspberry Pi
Install NixOS on Oracle Cloud
Kexec and Kdump on arm64
An update to Raspberry Pi OS Bullseye — So with this latest release, the default “pi” user is being removed, and instead you will create a user the first time you boot a newly-flashed Raspberry Pi OS image.
Build a Raspberry Pi Linux System the Hard Way — The instructions below will explain how to build a Linux environment for a Raspberry Pi 3B from scratch, focusing on extreme minimalism. I will build most components from source code and use BusyBox as the only user application on the target.
NixOS Wiki: NixOS on ARM/Raspberry Pi 4
Installing NixOS on a Raspberry Pi
NixOS on ARM/Raspberry Pi
nixos-pi — How to install NixOS on raspberry PI
Generating Raspberry Pi Images with NixOS
NixOS on a Raspberry Pi: creating a custom SD image with OpenSSH out of the box
nixos-docker-sd-image-builder — Build custom SD images of NixOS for your Raspberry Pi (or any other supported AArch64 device) in 5-20 minutes.
NixOS + Raspi4
Installing NixOS on the Raspberry Pi 4
How to Setup NixOS on a Raspberry Pi
NixOS on Raspberry Pi 4
Kernel Support for miscellaneous Binary Formats (binfmtmisc) — The Linux Kernel documentation
Cross-compiling the Raspberry Pi OS Linux kernel on macOS | Jeff Geerling
NixOS on ARM
Cross Compiling - NixOS Wiki
ARMing Yourself - Working with ARM on x8664
Debian Wiki: qemu-user-static
ARM64/QEMU - Ubuntu Wiki
Emulating a Raspberry Pi with QEMU
Emulating ARM on Debian/Ubuntu
Raspberry Pi Documentation - Remote Access
Emulating ARM with QEMU on Debian/Ubuntu
Using QEMU to build arm64 experimental environment
How to set up an ARM64 playground on Ubuntu 18.04
Emulating ARM with QEMU on Debian/Ubuntu
NixOS — tmpfs as root
Erase your darlings — immutable infrastructure for mutable systems
Umbrel — A personal server OS for self-hosting
Umbrel Troubleshooting Guide
JB London Meetup — August 5th 6pm, Jubilee Park & Garden
Home Manager Manual — This manual will eventually describe how to install, use, and extend Home Manager.
Tutorial: Getting started with Home Manager for Nix
Merkle Tree
Git Book - Git Internals
Commits are snapshots, not diffs - The GitHub Blog — I believe that Git becomes understandable if we peel back the curtain and look at how Git stores your repository data. After we investigate this model, we’ll explore how this new perspective helps us understand commands like git cherry-pick and git rebase.
Fear Not The SHA! - Git Internals - YouTube
Git Internals by John Britton of GitHub - CS50 Tech Talk - YouTube
Merkle tree in Bitcoin - BitcoinWiki
Merkle Tree with real world examples - YouTube
What is the merkle tree in Bitcoin? - YouTube
OpenMPTCProuter — Internet connection bonding
Podverse — NEW: Embed a Podverse player on your website! 🥳
Nebula v1.6.0 — Experimental: nebula clients can be configured to act as relays for other nebula clients. Primarily useful when stubborn NATs make a direct tunnel impossible.

A Pi For Every Problem | Self-Hosted 74 Jul 01, 2022

Show notes

Our guest this week has more Raspberry Pis than anyone we've ever met. We get insights into all the projects he used them for, what's worked great, and what's not worked at all.

Special Guest: Jscar_Hawk.

Sponsored By:

Support Self-Hosted

Links:

London Meetup August 5th at 6pm GMT — VENUE: Jubilee Park & Garden on the Southbank of River Thames near the London Eye.
August 5th at 6pm GMT
Matrix Meetup Space — Let's plan future meetups, both physical and virtual in our Matrix space. ✅
Nanoleaf Elements - Wood Look Hexagons — Nanoleaf Elements are both beautiful wall art and customizable ambient lighting made to look beautiful on or off.
Nanoleaf - Home Assistant — The Nanoleaf integration allows you to control and monitor Nanoleaf Light Panels, Canvas, Shapes, Elements, and Lines.
Josh's Raspberry PI Projects List — Josh has been keeping a list of awesome projects he uses his Raspberry Pi's for.
Josh's Lab Hardware
Self-Hosted Storage Leaderboard
Fountain.FM Chris' Favorite Podcasting 2.0 App — Try out Fountain, a Podcasting 2.0 app with Boosts.
BoostCLI — Command-line tool to send and review Podcasting 2.0 Value.
Podcasting 2.0 Apps — Grab a Podcasting 2.0 compatible app with tons of new features like: Boostagrams, Chapters, Hosts info, Sat Streaming, Search, Value, and clips.

Linux Action News 247 Jun 30, 2022

Show notes

Fedora gets serious about its server editions, our thoughts on Valve's increased Steam Deck production, and the surprising results of booting Linux on the Apple M2 SoC.

Sponsored By:

Linode: Sign up using the link on this page and receive a $100 60-day credit towards your new account.

Support Linux Action News

Links:

Fedora 37 Gets A Batch Of New Features Approved — Fedora 37 is working its way toward release before the end of October.
The Performance Cost To A Proposed Fedora 37 CFLAGS/CXXFLAGS Change
Fedora CoreOS Hopes To Become An Official Edition With Fedora 37
Fedora 37 Looks To Ship With Stratis Storage 3.1 Support
Fedora 37 Proposing To Allow Unrestricted Access To Flathub
Fedora Magazine: Accessibility in Fedora Workstation — I am very happy to announce that Red Hat has just hired Lukas Tyrychtr, who is a blind software engineer, to lead our effort in making sure Red Hat Enterprise Linux and Fedora Workstation has excellent accessibility support!
Firefox 102 Available With Transform Streams, Geoclue On Linux — Firefox 102.0 isn't the most exciting end-user update but does have some developer additions like Transform Streams support and support for Geoclue with Firefox Linux builds for geolocation.
Thunderbird 102 Released With Big Improvements To This Leading Open-Source Mail Client — Thunderbird 102 introduces a new address book implementation, a new spaces toolbar, a new import/export wizard, a redesigned message header, and other "quality of life" updates. There are also some extras with Thunderbird 102 like adding Matrix chat support.
Matrix.org Security release: Synapse 1.61.1 — Today we're exceptionally releasing Synapse 1.61.1, which comes as a security release. Server administrators are encouraged to update as soon as possible.
Synapse Release v1.61.1
Synapse Advisory — URL previews of unusual or maliciously-crafted pages can crash Synapse media repositories or Synapse monoliths.
Valve More Than Doubles Steam Deck Production, Q3 Reservations Starting Soon — Valve just tweeted out some great news for SteamDeck fans, saying it has more than doubled the number of Steam Decks being produced every week. The company also says it just sent out the last batch of Q2 reservation emails and is prepared to start kicking off Q3 reservations on June 30th 2022.
Check Your Steam Deck Order Status
Vim 9.0 — The main goal of Vim9 script is to drastically improve performance. This is accomplished by compiling commands into instructions that can be efficiently executed. An increase in execution speed of 10 to 100 times can be expected.
Vim 9.0 Released With New Vim9 Script For 10~100x Execution Speed
Linode Security Digest — June 20-26, 2022
Apple M2 Enablement For Linux Begins With Good Progress — Hector Martin on Monday began his Linux M2 bring-up effort, including with a livestream of this reverse engineering / debugging / kernel hacking effort. Hector confirmed NVMe, USB, and SMC functionality are working for the M2 on the first day of the effort.
M2 Asahi Linux bring-up YouTube Stream

Drunken Copilot | Coder Radio 472 Jun 29, 2022

Show notes

Mike just signed up for a year of GitHub Copilot and Chris tries to understand why. Then we catch each other up on some recent surprises.

Sponsored By:

Linode: Receive a $100 60-day credit towards your new account. Promo Code: linode.com/coder
Tailscale: Tailscale is the easiest way to create a peer-to-peer network with the power of Wireguard.

Support Coder Radio

Links:

Drunken Copilot | CR 472 Live - JupiterTube — Catch the live video stream of Coder on Jupiter.Tube
Michael Dominick on Twitter — Runs #Linux @system76 tested and kitten approved! #HPDevOne. My boy has asked to learn #Minecraft modding. Why wouldn’t I teach him on @poposofficial
Meta is launching an avatar store, and designer clothes — If you can’t afford the actual clothes, I guess?
Guides - Migrate a PostgreSQL Database to a Managed Database — Fully managed cloud database clusters built on top of Linode’s trusted and reliable platform.
HP Dev One Review - dominickm.com — System 76 and HP have LET THEIR POWERS COMBINE to create the HP Dev One
GitHub Copilot launches with $10/month subscription — Microsoft's GitHub on Tuesday released its Copilot AI programming assistance tool into the wild after a year-long free technical trial.
Senior Oops Engineer on Twitter — github copilot is incredible. it just sells code other people wrote, but because it's an "AI" it is apparently allowed to launder that code without it being a "derivative work". lol. lmao. what an amazing grift.
GitHub Copilot and open source laundering — GitHub’s Copilot is trained on software governed by these terms, and it fails to uphold them, and enables customers to accidentally fail to uphold these terms themselves.
Mosh: the mobile shell — Remote terminal application that allows roaming, supports intermittent connectivity, and provides intelligent local echo and line editing of user keystrokes.
Get a Podcasting 2.0 App — Grab a Podcasting 2.0 compatible app, and send a Boost into the show ✅
The Podcasting 2.0 App Chris Uses - Fountain.fm — Follow @ChrisLAS using Fountain.FM for clips, Boosts, and other great Podcasting 2.0 features.

Git Happens | LINUX Unplugged 464 Jun 26, 2022

Show notes

We're going back in time to witness the early days of a critical tool to build Linux, then jump forward 15 years and join our buddy Brent on his journey to learn that very tooling.

Sponsored By:

Support LINUX Unplugged

Links:

WSL 2 distros are now supported on Windows Server
Ten SpaceX Starlink Updates
Dish calls out Elon Musk for tweets about Starlink and RVs, planes
Dish begs FCC to deactivate Starlink setups used in moving vehicles
SpaceX: Starlink Risks Becoming ‘Unusable’ If Dish Gets 12GHz Spectrum
JB London Meetup - Aug 5 “6pm London time”
London Colony Meetup - Matrix chat room
Linode Guides — Migrate a PostgreSQL Database to a Managed Database
Tech Talk: 2007 Linus Torvalds on git
Oh My Git! — An open source game about learning Git!
Getting started with Git: Terminology 101
Tech With Tim - Git And GitHub in ~30 Minutes
JB GitHub - Website Rebuild Ideas & Explorations · Discussion #8
Git Tutorial for Beginners - Git & GitHub Fundamentals In Depth
Cleanup by Brent · Pull Request #29
GitKraken
awesome-git — A curated list of amazingly awesome Git tools, resources and shiny things.
ungit — The easiest way to use git. On any platform. Anywhere.
Hugo: The world’s fastest framework for building websites
Celebrating 15 years of Git — An interview with Git maintainer Junio Hamano
Brunch with Brent: Quentin Stafford-Fraser — Brent sits down with Dr Quentin Stafford-Fraser, computer scientist, serial-entrepreneur, inventor (perhaps) of the webcam, Augmented Reality Ph.D. who ran the very first web server at the University of Cambridge, among much more.
Office Hours 6: Peer to Peer Future — Interview with Mitch Downey, co-founder of Podverse.
Fountain 0.4.0 — Listen to Earn, Promotions & Paid Likes
gpodder.net — gpodder.net is a libre web service that allows you to manage your podcast subscriptions and discover new content. If you use multiple devices, you can synchronize subscriptions and your listening progress.
Source for gpodder.net
GPodder Sync in the Nextcloud App Store
Podverse: Podcasting 2.0 certified player for Android, F-Droid, iOS, and the web.
[Album] The New Deal
TinyPilotKVM: Control any computer remotely.

Linux Action News 246 Jun 23, 2022

Show notes

Some highlights from Linus' recent fireside chat, Qt gets a new leader and a Linux botnet we should probably take seriously.

Support Linux Action News

Links:

Akamai Warns Of “Panchan” Linux Botnet — The botnet introduces a unique (and possibly novel) approach to lateral movement by harvesting of SSH keys. Instead of just using brute force or dictionary attacks on randomized IP addresses like most botnets do, the malware also reads the idrsa and knownhosts files to harvest existing credentials and use them to move laterally across the network.
Canonical Continues Working On Ubuntu’s Firefox Snap Performance — On the Ubuntu blog is a new post by Canonical's Oliver Smith about their latest efforts to improve the Firefox Snap performance and other outstanding issues with this sandboxed version of the Mozilla web browser.
Lars Knoll Announces His Successor For Qt Chief Maintainer — The voting period for the new Chief Maintainer has ended yesterday. This means Volker Hilsheimer will be our new Chief Maintainer. Congratulations!
New Chief Maintainer for the Qt Project
Talisman: Debut of X — I've spent the last couple weeks writing a window system for the VS100. I stole a fair amount of code from W, surrounded it with an asynchronous rather than a synchronous interface, and called it X. Overall performance appears to be about twice that of W.
X Window System Turns 38 Years Old — It was on 19 June 1984 that Bob Scheifler announced the initial X window system release "X1" at MIT.
X Windows System Design Principles, a lecture by James Gettys
A Political History of X - Keith Packard (LCA 2020)
Linus Torvalds: Rust For The Kernel Could Possibly Be Merged For Linux 5.20 — Torvalds commented that real soon they expect to have the Rust infrastructure merged within the kernel, possibly even for the next release -- meaning Linux 5.20.
Open Source Summit North America 2022: Keynote: Linus Torvalds
How are we improving Firefox Snap performance? Part 2

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