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The Changelog The Changelog #524

Mainframes are still a big thing

This week we’re talking about mainframes with Cameron Seay, Adjunct Professor at East Carolina University and a member of the Governing Board of the Open Mainframe Project. If you’ve been curious about mainframes, this show will be a great guide.

Cameron explains exactly what a mainframe is and how it’s different from the cloud. We talk COBOL and the state of education and opportunities around that language. We cover the state-of-the-art in mainframe land, System Z, Linux on mainframes, and more.

Ship It! Ship It! #82

Red Hat's approach to SRE

Narayanan Raghavan leads the global SRE organization that runs Red Hat managed cloud services including OpenShift Dedicated, Azure Red Hat Openshift, Red Hat OpenShift Service on AWS, and Red Hat OpenShift Data Science among others across the three major cloud providers: AWS, GCP & Azure. We start with a high-level discussion about DevOps, SRE & platform engineering, and then we dig into SRE specifics, including what it takes to safely roll out updates across many tens of thousands of OpenShift clusters.

Ship It! Ship It! #77

Seven shipping principles

15 years ago, Gerhard discovered magic in the form of Ruby on Rails. It was intuitive and it just worked. That is the context in which Gerhard fell in love with infrastructure and operations.

Today, for special episode 77, we start at Seven Shipping Principles, and, in the true spirit of Ship It, we’ll see what happens next.

Our guest is David Heinemeier Hansson, creator of Ruby on Rails, co-founder of Basecamp & HEY, and a lot more - check out dhh.dk.

David Heinemeier Hansson world.hey.com

Why 37signals is leaving the cloud

TLDR: AWS is super-expensive at scale.

Of course it’s expensive to rent your computers from someone else. But it’s never presented in those terms. The cloud is sold as computing on demand, which sounds futuristic and cool, and very much not like something as mundane as “renting computers”, even though that’s mostly what it is.

But also:

It’s also about what kind of internet we want to operate in the future. It strikes me as downright tragic that this decentralized wonder of the world is now largely operating on computers owned by a handful of mega corporations. If one of the primary AWS regions go down, seemingly half the internet is offline along with it.

Methinks this will become even more of a trend in the coming months and years.

Ship It! Ship It! #75

How vex.dev runs on AWS, Fly.io & GCP

Few genuinely need a multi-cloud setup. There is plenty of advice out there which mostly boils down to don’t do it, you will be worse off. Vex.dev is a startup that provides APIs for video and audio streaming. The hard part is real-time combined with massive scale - think hundreds of thousands of concurrent connections. They achieve this by using a combination of Fly.io, AWS and GCP. Jason Carter, founder of Vex Communications, is joining us today to talk about the multi-cloud setup that vex.dev runs.

Cloud github.com

Use SQL to instantly query your cloud services

This lets you do so many cool things, even joining across disparate services:

select
  aws.name aws_user_name,
  slack.id as slack_user_id,
  slack.display_name as slack_name
from
  aws_iam_user as aws,
  slack_user as slack
where
  aws.name = slack.email;

+--------------------------+---------------+------------+
|     aws_user_name        | slack_user_id | slack_name |
+--------------------------+---------------+------------+
| dwight@dundermifflin.com | U2EMB8HLP     | dwight     |
| jim@dundermifflin.com    | U02HE4Z7E     | jim        |
+--------------------------+---------------+------------+

Useful for compliance, security, ops, and cost management.

Ship It! Ship It! #69

The cloud native ecosystem

Maybe it’s the Californian sun. Or perhaps it’s the time spent at Disney Studios, the home of the best stories. One thing is for sure: Taylor Dolezal is one of the happiest cloud native people that Gerhard knows.

As a former Lead SRE for Disney Studios, Taylor has significant hands-on experience running cloud native technologies in a large company. After a few years as a HashiCorp Developer Advocate, Taylor is now Head of End User Ecosystem at CNCF. In his current role, he is helping enable cloud native success for end-users like Boeing, Mercedes Benz & many others.

Cloud resoto.com

Resoto is a meta layer on top of your cloud infra

As best I can tell, this provides simplified search across your infra, generates reports so you can easily audit resource usage, and lets you create/trigger jobs such as cleaning up unused resources and enforcing tag structures.

The search looks pretty powerful and you can pipe search results directly to jobs for quick processing:

search is(resource) and tags.owner==null | tag update owner "John Doe"

The Changelog The Changelog #501

The power of eBPF

eBPF is a revolutionary kernel technology that has lit the cloud native world on fire. If you’re going to have one person explain the excitement, that person would be Liz Rice. Liz is the COSO at Isovalent, creators of the open source Cilium project and pioneers of eBPF tech.

On this episode Liz tells Jerod all about the power of eBPF, where it came from, what kind of new applications its enabling, and who is building the next generation of networking, security, and observability tools with it.

Ship It! Ship It! #65

Two thumbs up for the Cool Wall

Tammer Saleh, founder of Super Orbital, a tiny team of exceptional Kubernetes engineers and teachers, is joining us today to talk about what is cool in the Cloud Native world. Yes, it’s the same Tammer that we had the pleasure of on shipit.show/31 - Is Kubernetes a platform?

In today’s episode, we also cover two great blog posts:

  1. Zero to GitOps: Terraform and the AWS EKS Blueprints project by Sean Kane
  2. Hunting Down an Intermittent Failure in Cilium by James McShane

We wrap up with ✨ The Cool Wall of Cloud Native ✨

Ship It! Ship It! #63

KubeVelo 2022

We know that many of you listen to this podcast while running 🏃‍♀️ or cycling 🚴‍♂️ Hey Dan!

How many of you cycled to a conference? Gerhard knows a single person that cycled 764 miles for 8 days straight from Switzerland to Spain for this year’s KubeCon EU. His name is Johann Gyger, a CNCF ambassador & a cloud consultant at Peak Scale. Johann is a cloud engineer at heart that is all in on sustainability. He is the main reason why Gerhard is super excited to talk about electric cars & Dagger at the Swiss Cloud Native Day this September.

Jerod Santo changelog.com/posts

SQLite's web renaissance

I won’t call SQLite’s current moment a comeback, because the most used database engine in the world doesn’t have anything to come back from. I’m going with “renaissance”, because despite its already mass adoption, there has been something of a rebirth of interest from one software sector that had previously relegated it to dev & test environments: web apps

Cloud github.com

Store files as YouTube videos == infinite disk space

YouTubeDrive is a Wolfram Language (aka Mathematica) package that encodes/decodes arbitrary data to/from simple RGB videos which are automatically uploaded to/downloaded from YouTube. Since YouTube imposes no limits on the total number or length of videos users can upload, this provides an effectively infinite but extremely slow form of file storage.

Filed under: ways-no-youtube-engineer-ever-imagined-people-would-use-their-software

Rust github.com

A cross-platform file explorer powered by a virtual distributed filesystem

Spacedrive helps you organize your files across many devices in one place. Here’s the motivation:

Many of us have multiple cloud accounts, drives that aren’t backed up and data at risk of loss. We depend on cloud services like Google Photos and iCloud, but are locked in with limited capacity and almost zero interoperability between services and operating systems. Photo albums shouldn’t be stuck in a device ecosystem, or harvested for advertising data. They should be OS agnostic, permanent and personally owned. Data we create is our legacy, that will long outlive us—open source technology is the only way to ensure we retain absolute control over the data that defines our lives, at unlimited scale.

A cross-platform file explorer powered by a virtual distributed filesystem

Cloud rohanrd.xyz

Why you should start self hosting

A short, cogent argument why hosting your own cloud services is worth the time/effort:

Consider this, you carefully curate your playlists on Spotify but every now and then you see a certain song missing from your playlist. Same goes for videos saved in your YouTube playlists or other music/video streaming services. Then there is also the case of OTT streaming platforms where the show you were going to watch over weekend has now disappeared.

The author points to r/selfhosted and this awesome self hosted list as good resources to get started.

Rich Burroughs loft.sh

7 open source cloud native tools that aren’t Kubernetes

Rich Burroughs:

When you hear the phrase “cloud native,” is Kubernetes the first thing that comes to your mind? It is for me, and I expect I’m not alone. Kubernetes is now the second-largest open source project after Linux, and it’s the big fish in the cloud native pond. But there are many other projects in the CNCF landscape and the broader cloud native community.

So, I thought I’d list some cloud native tools that can be very useful for teams that aren’t using Kubernetes or aren’t using it for every workload. Here are 7 of them that I like a lot.

If Rich’s name rings a bell, that’s because he was just on Ship It! last week. 😉

PostgreSQL github.com

Building a cloud native storage engine for Postgres

One of the things we discussed with Paul Copplestone from Supabase was what, exactly, might a cloud native Postgres look like? Well, perhaps it will look like OrioleDB:

A new storage engine for PostgreSQL, bringing a modern approach to database capacity, capabilities and performance to the world’s most-loved database platform.

OrioleDB consists of an extension, building on the innovative table access method framework and other standard Postgres extension interfaces. By extending and enhancing the current table access methods, OrioleDB opens the door to a future of more powerful storage models that are optimized for cloud and modern hardware architectures.

Cloud garagehq.deuxfleurs.fr

Garage - a self-hosted distributed object storage solution

Garage is a distributed storage solution, that automatically replicates your data on several servers. Garage takes into account the geographical location of servers, and ensures that copies of your data are located at different locations when possible for maximal redundancy, a unique feature in the landscape of distributed storage systems.

It has an S3-compatible API and can be used as a storage backend for things like NextCloud, Matrix, and Mastodon. It’s being built by a non-profit in France that is “working to promote self-hosting and small-scale hosting.” Why do they do this?

self-hosting means running our own hardware at home, and providing 24/7 Internet services from there. We have many reasons for doing this. One is because this is the only way we can truly control who has access to our data. Another one is that it helps us be aware of the physical substrate of which the Internet is made: making the Internet run has an environmental cost which we want to evaluate and keep under control. The physical hardware also gives us a sense of community, calling to mind all of the people that could currently be connected and making use of our services, and reminding us of the purpose for which we are doing this.

Troy Hunt troyhunt.com

How I got pwned by my cloud costs

Troy Hunt (of Have I been Pwned fame) has been a vocal proponent of cloud-first services for awhile. Last December, that strategy came back to bite him:

It all started with my monthly Azure bill for December which was way over what it would normally be. It only took a moment to find the problem…

He goes on to tell the tale in excruciating detail. Be careful out there, cloud natives.

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