Shows
Doorbraak RadioMattias 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 minDoorbraak RadioMattias 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 đ
The differences of distributions vs. operating systems
FreeBSD vs OpenBSD vs NetBSD
Package managers in BSD
Creating packages for BSD
âpkgâ vs âportsâ in BSD
Filesystem differences between Linux & BSD...2020-03-031h 14Syscast 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 CPUâs
The ARM CPU doesnât exist (đ±)
Janâs hardwar...2020-01-161h 04
Three Devs and a Maybe161: 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 âbear marketâ of 2018 and how valuable the âMastering Bitcoinâ book is to understanding itsâ internals.
From here we move on to the concept of âCode is Lawâ and the implications of such an approach, the pros nâ 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
Three Devs and a Maybe161: 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 âbear marketâ of 2018 and how valuable the âMastering Bitcoinâ book is to understanding itsâ internals.
From here we move on to the concept of âCode is Lawâ and the implications of such an approach, the pros nâ 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 solutions such a...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 17Three Devs and a Maybe132: Caching using Varnish with Mattias GeniarIn this weeks episode we discuss the Varnish âHTTP acceleratorâ 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 itsâ 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, Mattiasâs own podcast and his new DNS Spy product.2017-07-021h 04Three Devs and a Maybe132: Caching using Varnish with Mattias GeniarIn this weeks episode we discuss the Varnish âHTTP acceleratorâ 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 itsâ 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, Mattiasâs 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 04Syscast Podcast by Mattias Geniar#7: Config Management Camp: Kubernetes, Sysdig & MgmtIâm back! Sort of.
This is a mono-episode where itâs 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 Iâm 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 minSyscast Podcast by Mattias Geniar#6.5: SysCast is taking a little breakI wish I didnât have to bring this message, but Iâm fairly certain you already noticed it: there hasnât been a new SysCast podcast in a while.
Iâm 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 donât have at the moment.
The plan is to bring SysCast back in a few months. In the meantime, donât unsubscribe just yet, keep the RSS feed going. In a few months, I hope to be back â fu...2016-10-2301 minSyscast Podcast by Mattias Geniar#6: Application Security & Cryptography with Scott ArciszewskiFor the 6th episode of SysCast Iâm 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, youâll 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 Wouldnât Base64 a Password â Cryptography Decoded
The Cryptopals Crypto Challenges
Timing Attacks
htshells (Self contained htaccess shells and attacks)
SysCast episode on the Caddy Webserver...2016-08-261h 05Syscast 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 itâs 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 Hatâs 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 minSyscast Podcast by Mattias Geniar#4: Curl, libcurl and the future of the web, with Daniel StenbergIf youâre a sysadmin or a developer, youâve 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, Googleâs Quic, LibreSSL vs OpenSSL and so much more. If youâre interested in âthe webâ, this episode is for you!
Shownotes
Daniel is @bagder on Twitter
Danielâs blog is at daniel.haxx.se/blog
Googleâs QU...2016-06-221h 02Syscast 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 Hashicorpâs Vault.
Iâm 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 youâre 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 minSyscast 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 youâve 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 08Syscast Podcast by Mattias Geniar#1: Matt Holt, creator of Caddy webserver(Note: audio quality isnât super great, Iâll get that fixed for episode #2)
Exciting! This is the very first episode of the SysCast podcast!
Iâm 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 minThree Devs and a Maybe82: Delving into HTTP/2 with Mattias GeniarOn this weekâs 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 âbest practicesâ in regard to HTTP 1.1 usage.
We then move on to discuss the HTTP2 protocol, the changes that have been made...2015-12-161h 00Three Devs and a Maybe82: Delving into HTTP/2 with Mattias GeniarOn this weekâs 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 âbest practicesâ 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