Purpose-built systems, computing appliances, are typically built around or on top of general purpose systems. In this week's Twitter Space we look at how those similarities can lead customers to accidental calamity.

I Know This! (Purpose-built systems with general-purpose guts)

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Back in May 2014 Joyent accidentally rebooted an entire datacenter (not just the handful of node as intended!). That incident--traumatic was it was--informed many aspects of the Oxide product. Bryan and Adam were joined by members of that former Joyent team to discuss, commiserate, and--perhaps--get some things off their chests.  a live show weekly on Mondays at 5p for about an hour, and recording them all; here is the recording. In addition to Bryan Cantrill and Adam Leventhal, speakers included Josh Clulow, Brian Bennett, Robert Mustacchi, and Steve Tuck. Some of the topics we hit on, in the order that we hit them:The Register: Fat-fingered admin downs entire Joyent data centerBryan's talk: Debugging Under FireOxide and Friends on the Oakland BallersThe Ur AgentJoyent post-mortemPRs needed!If we got something wrong or missed something, please file a PR! Our next show will likely be on Monday at 5p Pacific Time on our Discord server; stay tuned to our Mastodon feeds for details, or subscribe to this calendar. We'd love to have you join us, as we always love to hear from new speakers!

Rebooting a datacenter: A decade later

The long-awaited Oxide and Friends bookclub! Bryan and Adam were joined by special guest--and real life biologist--Greg Cost to discuss Philip Ball's terrific book, How Life Works: A User’s Guide to the New Biology. Spoiler: Alan Turing makes a very expected appearance! In addition to Bryan Cantrill and Adam Leventhal, we were joined by special guest Greg Cost. Some of the topics we hit on, in the order that we hit them:The Turing patternRNA as a precursor to DNAXenopus frogXenobotsAnton computerBryan's reading notes

 Central themesPower and limitations of metaphor – especially mechanical onesThe fundamental, diametrical opposition between life and machines. (Nature does not use simulations!)Rejecting the neo-Darwinian paradigmPassages of note:p. 91: “of the common SNPs seen in human populations, fully 62 percent are associated with height” … “the most common genomic associations for complex traits like this are in the noncoding regions” What is cognition? p. 137: “Life is, as biologist Michael Levin Jeremy Gunawardenaand philosopher Daniel Dennet have argued, ‘cognition all the way down’” AlphaFold2 p. 148 “AlphaFold does not so much solve the infamously difficult protein-folding problem as sidestep it. The algorithm makes no predictions about how a polypeptide chain folds, but simply predicts the end result based on the sequence.”p. 156: allostery refers to how a

Bookclub: How Life Works by Philip Ball

The Oxide Friends have talked about the Hashicorp license change, the emergence of an open source fork of Terraform in OpenTofu, and other topics in open source. A few weeks ago both InfoWorld and Hashicorp (independently?) accused OpenTofu of stealing Terraform code—a serious claim that turned out to be fully unfounded. We (you!) have been lucky to avoid this topic with a couple of guests lined up to talk about the xz exploit discovery and founding the Oakland Ballers… but we ran out of distractions! Bryan and Adam talk about this FUD and FUD generally. Your hosts were Bryan Cantrill and Adam Leventhal. Some of the topics we hit on, in the order that we hit them:Infoworld: OpenTofu may be showing us the wrong way to forkOpenTofu responsePRs needed!If we got something wrong or missed something, please file a PR! Our next show will likely be on Monday at 5p Pacific Time on our Discord server; stay tuned to our Mastodon feeds for details, or subscribe to this calendar. We'd love to have you join us, as we always love to hear from new speakers!

All we have to fear is FUD itself

Bryan, Adam, Steve, and the Oxide Friends are joined by the founders of the Oakland Ballers, the continuation of a long history of baseball in Oakland. There turns out to be a plenty in common between founding a computer company and founding a baseball team--and we both have our fans supporting us! In addition to Bryan Cantrill and Adam Leventhal, we were joined by very special guests Paul Freedman and Bryan Carmel as well our somewhat-special boss, Steve Tuck. Some of the topics we hit on, in the order that we hit them:The Oakland BallersBryan and Adam at Manaea's no-noThe Munson-Nixon lineThe Pioneer LeagueBaseball's longest gameAdam's neighbor, Bill George, scorer of the longest gameYolo HighwheelersBART's sponsorship of the BallersJ.T. Snow joins the BallersJ.T. saves Dusty's sonIf we got something wrong or missed something, please file a PR! Our next show will likely be on Monday at 5p Pacific Time on our Discord server; stay tuned to our Mastodon feeds for details, or subscribe to this calendar. We'd love to have you join us, as we always love to hear from new speakers!

A Baseball Startup with Paul Freedman and Bryan Carmel

Andres Freund joined Bryan and Adam to talk about his discovery of the xz backdoor. It’s an incredible story… so great to get into the details with Andres. We started by ranting about the coverage in the New York Times… coverage that explicitly refused to dig into the details! It’s all the more shocking because the big story here is how Andres’ penchant for digging into the details is what saved us all from what would have been a pervasive and damaging attack! In addition to Bryan Cantrill and Adam Leventhal, we were joined by special guest Andres Freund. Our research for this episode:Andres' initial public disclosureNew York Times: Did One Guy Just Stop a Huge Cyberattack? by Kevin RooseKevin RooseNew York Times front page from April 4th, 2024How I got started as a developer with Andres Freund & Heikki Linnakangas | Path To Citus Con Ep08The Mystery of ‘Jia Tan,’ the XZ Backdoor Mastermind | WIREDHow one volunteer stopped a backdoor from exposing Linux systems worldwide - The VergeLinux backdoor was a long con, possibly with nation-state support, experts say - Nextgov/FCWresearch!rsc: Timeline of the xz open source attackBrian Krebs thread on mastodonXz/liblzma: Bash-stage Obfuscation ExplainedA Microcosm of the interactions in Open Source projectsRisky Business #743 -- A chat about the xz backdoor with the guy who found it (podcast)Risky Biz News: F-Droid narrowly avoided XZ-like incident in 2020 (podcast)What we know about the xz Utils backdoor that almost infected the world | Ars TechnicaEverything I know about the XZ backdoorLINUX Unplugged 556: The xz Backdoor Exposed 

I Know This! (Purpose-built systems with general-purpose guts)

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