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SUSE is forking RHEL
SUSE Preserves Choice in Enterprise Linux by Forking RHEL with a $10+ Million Investment
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Hunting for Nginx alias traversals in the wild
Research beyond the obvious
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Death by a Thousand Microservices
The software industry is learning once again that complexity kills
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Wendelstein 7-X: Gigajoule energy turnover generated for eight minutes
After successful recommissioning in autumn 2022, the Greifswald nuclear fusion experiment has surpassed an important target.
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The Prime Video microservices to monolith story
The Prime Video team published this story: Scaling up the audio/video monitoring service and reducing costs by 90%, and the internet piled…
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OpenGL 3.1 on Asahi Linux
Porting Linux to Apple Silicon
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300ms Faster: Reducing Wikipedia's total blocking time
How two simple steps improved the responsiveness of Wikipedia's mobile site
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Windows on Btrfs
So for the past year and a half or so I've been using the fantastic Windows btrfs driver for easily sharing files between my Windows and Linux dualboot. The driver works great and basically fully supports everything that both operating systems could ever want (and let me tell you transparent compression and copy on…
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I forked SteamOS for my living room PC
SteamOS 3 (“Holo”) is the Arch-based Linux distribution built for the Steam Deck, Valve Software’s portable PC gaming device. It’s a very interesting Linux distribution even when you only focus on how it updates itself: updates are performed atomically by downloading a new read-only root filesystem to an inactive…
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Offline is just online with extreme latency
I just finished watching “Local-first Software” by Peter Van Hardenberg and loved it! He talks about changing the paradigm we’re currently in where a program…
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{n} times faster than C
Owen's personal website and portfolio
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Designing a SIMD Algorithm from Scratch
Another explainer on a fun, esoteric topic: optimizing code with SIMD (single instruction multiple data, also sometimes called vectorization ). Designing a good, fast, portable SIMD algorithm is not a simple matter and requires thinking a little bit like a circuit designer.
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Improving Tailscale via Apple’s open source
Updates on innovations and the state of virtual private networks - globally, as well as Tailscale product and company news.
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The weird world of Windows file paths
File system paths on Windows are stranger than you might think. On any Unix-derived system, a path is an admirably simple thing: if it starts with a /, it’s a path. Not so on Windows, which serves up a bewildering variety of schemes for composing a path.
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No Start Menu for You
I tend to launch most programs on my Windows 10 laptop by typing the <Win> key, then a few letters of the program name, and then hitting enter. On my powerful laptop (SSD and 32 GB of RAM) th…
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The costs of microservices (2020)
An application typically starts its life as a monolith. Take a modern backend of a single-page Javascript application, for example - it starts out as a single stateless web service that exposes a RESTful HTTP API and uses a relational database as a backing store. The service is composed of a number of components, or…
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PostgreSQL: No More Vacuum, No More Bloat
PostgreSQL, a powerful open-source object-relational database system, has been lauded for its robustness, functionality, and flexibility. However, it is not without its challenges – one of which is the notorious VACUUM process. However, the dawn of a new era is upon us with OrioleDB, a novel engine designed for…
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ZFS for Dummies
As mentioned on previous posts, I have spent the past few weeks dealing with a ZFS crash on my FreeNAS install. Because of that, not only was I forced to learn how to troubleshoot ZFS, but I also had to learn how to setup new volumes and come up with new backup strategies (between a few other things).
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How small is the smallest .NET Hello World binary?
Here is a dumb question that you probably never asked yourself: What is the minimal amount of bytes we need to store in a .NET executable to have the CLR print the string"Hello, World!" to the standard output?
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We replaced Firecracker with QEMU
Firecracker is not the best choice for all kinds of workloads.
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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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Simple Unix Chat
The title oversells the content a bit 1 1: Some called it disingenous dickish clickbait. I don't disagree ;-) :
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Clocks and Causality – Ordering Events in Distributed Systems (2022)
In distributed systems, logical clocks play a key role in the ordering of system events. What are the various logical clock designs, and how do they help with event ordering? This article answers these questions.
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Elixir saves Pinterest $2M a year in server costs
Companies see huge server savings with Elixir.
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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…