Mattias Geniar - Podcast Details

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Changelog News The move faster manifestoBrian Guthrie lists his seven rules for moving faster in software, Continuous-Claude-v2 is a context management system for Claude Code, Gas Town is Steve Yegge’s multi-agent orchestrator for Claude Code, Paul Dix sees a great engineering divergence in 2026, and Mattias Geniar thinks web development is fun again. View the newsletterJoin the discussionChangelog++ members save 1 minute on this episode because they made the ads disappear. Join today!Sponsors:Depot – 10x faster builds? Yes please. Build faster. Waste less time. Accelerate Docker image builds, and GitHub Actions workflows. Easi...

2026-01-0507 min

The Changelog: Software Development, Open Source The move faster manifesto (News)Brian Guthrie lists his seven rules for moving faster in software, Continuous-Claude-v2 is a context management system for Claude Code, Gas Town is Steve Yegge’s multi-agent orchestrator for Claude Code, Paul Dix sees a great engineering divergence in 2026, and Mattias Geniar thinks web development is fun again. View the newsletterJoin the discussionChangelog++ members save 1 minute on this episode because they made the ads disappear. Join today!Sponsors:Depot – 10x faster builds? Yes please. Build faster. Waste less time. Accelerate Docker image builds, and GitHub Actions workflows. Easi...

2026-01-0507 min

Changelog Master Feed The move faster manifesto (Changelog News #175)Brian Guthrie lists his seven rules for moving faster in software, Continuous-Claude-v2 is a context management system for Claude Code, Gas Town is Steve Yegge’s multi-agent orchestrator for Claude Code, Paul Dix sees a great engineering divergence in 2026, and Mattias Geniar thinks web development is fun again. View the newsletterJoin the discussionChangelog++ members save 1 minute on this episode because they made the ads disappear. Join today!Sponsors:Depot – 10x faster builds? Yes please. Build faster. Waste less time. Accelerate Docker image builds, and GitHub Actions workflows. Easi...

2026-01-0507 min

Doorbraak Radio Mattias Geniar: 'Ik ben benieuwd waar de bitcoin en blockchain binnen tien jaar staan'Mattias Geniar is een open sourcespecialist met een voorliefde voor Linux. Vandaag vertelt hij ons meer over blockchain en bitcoin. Hij studeerde toegepaste informatica aan de Karel de Grote-Hogeschool.Blockchain is een breed onderwerp. In mensentaal is het een database, waar elke input is vastgezet op een specifiek tijdstip. Zo krijg je een chronologisch overzicht van gegevens. Elke tien minuten worden deze gegevens vastgezet in een snapshot. Een snapshot is de technische benaming voor de opslag van een groep gegevens. Wanneer een snapshot wordt opgeslagen verwijst het ook naar de vorige snapshot die is opgeslagen. Zo krijg...

2020-07-0229 min

Syscast Podcast by Mattias Geniar #9: The differences between Linux and BSDIn this episode of Syscast, I talk to Jan-Piet Mens to discuss the differences between Linux and BSD systems. If you have any feedback, as always, reach out via e-mail at m@ttias.be or on Twitter at @mattiasgeniar. Show topics We discuss: The differences between Linux & BSD in user-land Why did Linux become more popular than BSD? How systemd drove Jan-Piet to BSD 😉 The differences of distributions vs. operating systems FreeBSD vs OpenBSD vs NetBSD Package managers in BSD Creating packages for BSD “pkg” vs “ports” in BSD Filesystem differences between Linux & BSD...

2020-03-031h 14

Syscast Podcast by Mattias Geniar #8: CPU wars: Intel vs. AMD vs. ARMIn this new episode of Syscast, I talk to Jan Somers for a deep-dive into CPUs. We discuss Intel vs. AMD and what the role and future of ARM might be. If you have any feedback, as always, reach out via e-mail at m@ttias.be or on Twitter at @mattiasgeniar. Show topics In this episode, we discuss: The inception of Intel & AMD The x86 instructionset Production sizes (nm) and sockets Hyperthreading in Intel and AMD Pipelines: core count vs. clockspeeds Introducing ARM CPU’s The ARM CPU doesn’t exist (😱) Jan’s hardwar...

2020-01-161h 04

Three Devs and a Maybe 161: Exploring Bitcoin with Mattias GeniarIn this weeks episode we are lucky to have Mattias Geniar back on the show to discuss his experiences delving into Bitcoin and Cryptocurrencies. We start off by chatting about his introduction to Bitcoin, the ‘bear market’ of 2018 and how valuable the ‘Mastering Bitcoin’ book is to understanding its’ internals. From here we move on to the concept of ‘Code is Law’ and the implications of such an approach, the pros n’ cons of being a developer in this space, and how he stores his private keys (not your keys, not your coins!). This leads us to highlight second-layer scaling solution...

2019-04-011h 14

Tech45 #367: Een homeopathische hoeveelheid vrouwenWe hebben eindelijk nog eens een vrouw in ons panel: TechGirl Anke. Sponsor Bunq, bank of the free Follow-up Joren de Groof stuurde ons een tweet van Mattias Geniar over het feit dat Apple iPhones met een oude batterij zou 'downclocken', dus trager laat werken om ervoor te zorgen dat die batterij toch minstens een dag meekan. Onderwerpen De sms bestaat 25 jaar. Frankrijk verbiedt smartphones in de klas. De eerste echte trailer voor Ready Player One is er. Tips Anke: NXtv Maarten: Slaughterbots Toon: Tarmac Ruurd: Persepolis Rising luisterboek & NOS op 3...

2017-12-131h 17

Three Devs and a Maybe 132: Caching using Varnish with Mattias GeniarIn this weeks episode we discuss the Varnish ‘HTTP accelerator’ with Mattias Geniar. We start off the show with the problem Varnish is trying to solve, how it decides to cache content and the power within its’ request/response life-cycle. We then move on to highlight testing strategies, tools to gain insight into your Varnish instance and cache invalidation options (Purging vs. Banning). Finally, we touch upon Edge Side Includes, Mattias’s own podcast and his new DNS Spy product. Show Links Mattias on Twitter Delving into HTTP/2 with Mattias Geniar Varnish HTTP Cache Varnish Explained Varnish...

2017-07-021h 04

Radio Wordpress RadioWordPress #32: Mejora la velocidad de carga de WordPress un 50%La versión de php afecta drásticamente al rendimiento de vuestro WordPress, quizás no seáis conscientes de cómo afecta la versión de php de vuestro servidor, pero creedme si os digo que es un factor crítico a tener en cuenta. Me pasa mi compañero en Tecnocrática Adrian un enlace al blog de Mattias Geniar https://ma.ttias.be/wordpress-php-7-1/ en el que hacía unas pruebas para ver cual era impacto de la versión de php sobre nuestro WordPress y el resultado era aplastante, php 7.1 afectaba al rendimiento m...

2017-03-1613 min

Syscast Podcast by Mattias Geniar #7: Config Management Camp: Kubernetes, Sysdig & MgmtI’m back! Sort of. This is a mono-episode where it’s just me talking about Config Management Camp, a conference held in Gent in February 2017. I recap a few interesting talks and projects I saw. This is an episode that I recorded in the car. So there might be audio quality concerns and I’m very much looking for feedback on this format: is it hearable? Does it bother you? Should I do more of these recaps? Please let me know via e-mail at m@ttias.be or on Twitter at @mattiasgeniar.

2017-02-0918 min

Syscast Podcast by Mattias Geniar #6.5: SysCast is taking a little breakI wish I didn’t have to bring this message, but I’m fairly certain you already noticed it: there hasn’t been a new SysCast podcast in a while. I’m taking a bit of a break to organise things, prepare better and overall bring a better show. But that takes time, and time is something I don’t have at the moment. The plan is to bring SysCast back in a few months. In the meantime, don’t unsubscribe just yet, keep the RSS feed going. In a few months, I hope to be back – fu...

2016-10-2301 min

Syscast Podcast by Mattias Geniar #6: Application Security & Cryptography with Scott ArciszewskiFor the 6th episode of SysCast I’m joined by Scott Arciszewski. We talk about PHP, cryptography, securing online applications, cache timing attacks, his CMS called Airship and so much more. If you like security and crypto, you’ll like this episode! Shownotes Scott is @CiPHPerCoder on Twitter as well as @ParagonIE Scott works at Paragon Initiative Enterprises CMS Airship Secure Coding Rules OWASP Top 10 grsecurity You Wouldn’t Base64 a Password – Cryptography Decoded The Cryptopals Crypto Challenges Timing Attacks htshells (Self contained htaccess shells and attacks) SysCast episode on the Caddy Webserver...

2016-08-261h 05

Syscast Podcast by Mattias Geniar #5: Ansible: config management & deploying code with James Cammarata from Red HatIn this episode I talk to James Cammarata, head of Ansible core engineering to discuss the Ansible project. We discuss how it’s used as a config management tool in both a push/pull scenario, how Ansible can be used as a deployment tool and an orchestrator. We touch on the terminology, Red Hat’s acquisition, ideal use cases, how to get started with Ansible, Ansible vs. Puppet and so much more. If I can borrow 2 minutes of your time, leave a rating on iTunes please! Shownotes You can find James as @theji...

2016-08-0452 min

Syscast Podcast by Mattias Geniar #4: Curl, libcurl and the future of the web, with Daniel StenbergIf you’re a sysadmin or a developer, you’ve probably used curl before. Or some kind of project, like PHP, Python, Ruby, … that uses libcurl. You can thank Daniel Stenberg, creator and maintainer of curl, for that. In this episode I talk to Daniel about the history of curl and libcurl, we discuss the web and open source, Google’s Quic, LibreSSL vs OpenSSL and so much more. If you’re interested in ‘the web’, this episode is for you! Shownotes Daniel is @bagder on Twitter Daniel’s blog is at daniel.haxx.se/blog Google’s QU...

2016-06-221h 02

Syscast Podcast by Mattias Geniar #3: Managing Secrets with Vault, with Seth VargoThis 3rd episode of SysCast revolves around secrets: managing API keys, passwords, tokens, … with Hashicorp’s Vault. I’m joined by Seth Vargo from Hashicorp who explains how Vault works, its internals, different use cases, key management & rollover and lots of interesting details about Vault itself. If you’re storing your passwords inside your git repository or managing them by hand in yaml/ini files, listen to this episode to learn how Vault can help store credentials more securely and automate secret management for you. Once again, if you have a minute or 2, leave a rati...

2016-05-3147 min

Syscast Podcast by Mattias Geniar #2: An introduction to Docker with Nils De MoorIn this second SysCast podcast I talk with Nils De Moor about Docker; what is Docker, how does it work, different development workflows and other Docker best practices. If you’ve ever wanted to know what Docker is and how it can help in your infrastructure, this episode is for you. If I can borrow 2 minutes of your time, leave a rating on iTunes please! Shownotes @ndemoor on Twitter The Docker channel on #techbelgium The Docker Quickstart The Containerizers YouTube channel (videos from Docker Belgium User Group presentations) The Docker Belgium meetup gr...

2016-05-261h 08

Syscast Podcast by Mattias Geniar #1: Matt Holt, creator of Caddy webserver(Note: audio quality isn’t super great, I’ll get that fixed for episode #2) Exciting! This is the very first episode of the SysCast podcast! I’m very happy to have Matt Holt as my first guest, who created the Caddy webserver. We talk about the Caddy project, the Go language and community, the unique benefits of Caddy and its Caddyfile, dealing with Pull Requests and so much more. A couple of lessons learned on my part: stereo recording is useless, everything should be mono (I now merged stereo to mono, bu...

2016-05-0957 min

Three Devs and a Maybe 82: Delving into HTTP/2 with Mattias GeniarOn this week’s show we are joined by Mattias Geniar to discuss all things HTTP2. We start of the show with discussion on how he got into programming, moving into a DevsOps role as his career has progressed. From here we briefly discuss the term DevOps and how he uses a lot of Puppet in his current role. This leads us into chat about a host of topics revolved around HTTP, the history, TCP, the OSI model and ‘best practices’ in regard to HTTP 1.1 usage. We then move on to discuss the HTTP2 protocol, the changes that have been m...

2015-12-161h 00