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We built the fastest CI and it failed
Earthly CI, touted as the fastest CI system, is shutting down due to a lack of market demand and difficulty in convincing users to switch from exis...
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DevOps Is Bullshit (2022)
A Critique of How We've Fooled Ourselves for Years.
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The UK is wasting a lot of wind power
The UK discarded 6% of its windpower last year, at a cost of almost £1bn. What’s going on, and how can we fix it?
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How I run my servers (2022)
I've been writing recently about servers and internet infrastructure 1 . A lot of this writing is predicated on running server software on a VM or physical machine, rather than using a more cloudy solution, which is somewhat unpopular these days. However, I think it's a pretty reasonable way to do things, and it's not…
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Bun 0.6
A new JavaScript bundler, standalone executables, and lots of new features and improvements
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GitHub Actions could be so much better
I love GitHub Actions: I’ve been a daily user of it since 2019 for both professional and hobbyist projects, and have found it invaluable to both my overall productivity and peace of mind. I’m just old enough to have used Travis CI et al. professionally before moving to GitHub Actions, and I do not look back with joy 1…
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We replaced Firecracker with QEMU
Firecracker is not the best choice for all kinds of workloads.
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Rethinking serverless with FLAME
Imagine if you could auto scale simply by wrapping any existing app code in a function and have that block of code run in a temporary copy of your app
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We achieved a 6-fold increase in Podman startup speed
In August 2022, Dan Walsh (one of the authors of this article) moved out of his role as container runtimes architect at Red Hat to architect for the Red Hat ...
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Slack’s migration to a cellular architecture
Summary In recent years, cellular architectures have become increasingly popular for large online services as a way to increase redundancy and limit the blast radius of site failures. In pursuit of these goals, we have migrated the most critical user-facing services at Slack from a monolithic to a cell-based…
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Privacy friendly ESP32 smart doorbell with Home Assistant local integration
Privacy focused “smart” doorbells seem to be few and far between so I decided to build one that integrates with Home Assistant via ESPHome and is easy to build.
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Moving our Encrypted DNS servers to run in RAM
We recently announced the completion of our migration to remove all traces of disks in use on our VPN infrastructure.
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Kafka is dead, long live Kafka
Chances are you probably had a strong reaction to the title of this post. In our experience, Kafka is one of the most polarizing technologies in the data space. Some people hate it, some people swear by it, but almost every technology company uses it.
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Migrating from Supabase
Our journey from Supabase to Postgres and Render
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Fast self-hostable open-source workflow engine
Why is Windmill the fastest self-hostable workflow engine and job processing framework
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We’re no longer sunsetting the free team plan
We're reversing course. After taking in feedback from the community, we’re no longer sunsetting the Free Team plan.
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Introduction to Immutable Linux Systems
In this article, you will learn what stands behind the label immutable when it comes to Linux systems
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We have successfully completed our migration to RAM-only VPN infrastructure
Today we announce that we have completely removed all traces of disks being used by our VPN infrastructure!
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March 20 ChatGPT outage: Here’s what happened
An update on our findings, the actions we’ve taken, and technical details of the bug.
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Bun v0.8
Bun gets debugger support, fetch streaming, and `bun update`. ReadStream and WriteStream from `node:tty` are implemented, including raw mode on `process.stdin`. SvelteKit now works in Bun. Plus bug fixes and stability improvements.
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Deno Queues
Introducing Deno Queues - zero config, scalable messaging with a guaranteed at-least-once delivery. This new primitive builds on the foundation set by Deno KV, and is available today in the Deno JavaScript runtime and Deno Deploy.
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MRSK vs. Fly.io
Comparison of MRSK and Fly.io
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Supabase Edge Runtime: Self-Hosted Deno Functions
We are open-sourcing Supabase Edge Runtime allowing you to host your Edge Functions anywhere.
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Zimaboard: The closest thing to my dream home server setup
I gave in to my impulses and bought myself a small single board computer to be my power-efficient home server, here's how it went.
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From Go on EC2 to Fly.io
How I switched hosting my Go-based side projects from Amazon EC2 to Fly.io, significantly simplified deployment, and saved a bit of cash while I was at it.
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FreeBSD on Firecracker
A large amount of fantastic open source software originates from “scratching an itch”. Such was the case with Firecracker . In 2014, Amazon launched AWS Lambda as a “serverless” compute platform: Users can provide a function — say, ten lines of Python code — and Lambda provides all of the infrastructure between an…
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Monitoring Is a Pain
And we're all doing it wrong (including me) I have a confession. Despite having been hired multiple times in part due to my experience with monitoring platforms, I have come to hate monitoring. Monitoring and observability tools commit the cardinal sin of tricking people into thinking this is an
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Docker
Lately I tend to stick to topics that are historic by at least twenty years, and that does have a lot of advantages. But I am supposedly a DevOps professional, and so I will occasionally indulge in giving DevOps advice... or at least opinions, which are sort of like advice but with less of a warranty.
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OpenTelemetry in 2023
4 Years In, OpenTelemetry Delivers on its Promise for Open Observability