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Putting a dumb weather station on the internet
After all, why not? Why shouldn't I put a dumb Temu weather station on the Internet?
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Cloudflare outage should not have happened
[BROKEN LINK: blog/google-cloud-s-outage-should-not-have-happened-and-they-seem-to-be-missing-the-point-on-how-to-avoid-it-in-the-future.pre-processed.org], another global IT outage happened (dèjá vu strikes again in our industry). This time at cloudflare(Prince 2025). Again, taking down large swaths of the internet…
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Yocto, RockPi and SBOMs: Building modern embedded Linux images
TLDR: I wanted to generate an up-to-date disk image for a Rock Pi 4 using Yocto that included CUPS and Docker to both get a better understanding of Yocto …
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Running a Certificate Transparency log
Maybe you, yes you, should run a Certificate Transparency log. It’s cheaper, easier, and more important than ever.
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Linux VM without VM software – User Mode Linux
Quick demonstration of using User Mode Linux (UML) to run a Linux VM inside Linux's userspace, without additional VM software or even root permissions
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Build Your Own Minisforum N5 Inspired Mini NAS
Print your own 5-bay N5 Mini NAS! Inspired by the Minisforum N5, this 175mm x 175mm design fits most small beds—use any mini PC you prefer.
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Building a Firecracker-Powered Course Platform to Learn Docker and Kubernetes
The iximiuz Labs origin story: five years of technical blogging followed by six months of active development resulted in an online learning-by-doing platform for DevOps, SRE, and Platform Engineers.
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Datadog's $65M/year customer mystery solved
The internet has been speculating the past few days on which crypto company spent $65M on Datadog in 2022. I confirmed it was Coinbase, and here are the details of what happened.
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A train-sized tunnel is now carrying electricity under South London
Electricity has started flowing through a deep-level tube train sized tunnel running through South London.
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WireGuard topologies for self-hosting at home
I recently migrated my self-hosted services from a VPS (virtual private server) at a remote data center to a physical server at home. This change was motivated by wanting to be in control of the hardware and network where said services run, while trying to keep things as simple as possible. What follows is a…
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Run Docker containers natively in Proxmox 9.1 (OCI images)
Published: 20-11-2025 22:34 | Author: Remy van Elst | Text only version of this article
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Reproducing the AWS Outage Race Condition with a Model Checker
Welcome to Waqas' blog
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iPhone DevOps (2023)
I wrote earlier about my dream of developing “single-handedly” on an iPhone. Then, I wrote some more about it . The dream still lives strongly! I am now coding single-handedly in any language on my iPhone SE model 2022. But although i still like pythonista I am now using a combination of three great apps that allow me…
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Worldwide power grid with glass insulated HVDC cables
Moving electricity around the world has huge financial and environmental benefits. Unfortunately, current power transmission systems are both lossy and expensive to build. This post explores an alternative design for cables to make undersea power transmission substantially cheaper.
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Microservices should form a polytree
Microservices work best as a polytree with clear dependencies and no cycles. Learn how this structure reduces complexity and makes systems easier to scale and maintain.
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Setting up a trusted, self-signed SSL/TLS certificate authority in Linux
With OpenSSL, it’s pretty easy to generate a simple self-signed TLS certificate . Just run the following command:
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Nix Derivations, Without Guessing
I went on a little low-level Nix adventure yesterday and early this morning because of this excellent blog post. In it, Farid builds up the simplest possible Nix derivation—making a file that has the contents “hello world”. Here’s what I like about it:
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How to run phones while being struck by suicide drones
In Ukraine suicide drones strike critical infrastructure regularly. Some outages are caused directly by the attacks - destroyed power plants, substations, transformers, power lines, some are scheduled in advance - power grid wasn’t designed to work while some of its power plants and transformers are destroyed and are…
141
From Azure Functions to FreeBSD
Putting FreeBSD’s “power to serve” motto to the test. On Thanksgiving morning, I woke up to one of my web services being unavailable. All HTTP requests failed with a “503 Service unavailable” error. I logged into the console, saw a simplistic “Runtime version: Error” message, and was not able to diagnose the problem…
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Incremental Backups of Gmail Takeouts
Discusses the problem of Gmail takeouts as a single giant file and provides detailed background on the gmail-mbox-codec app that allows efficient incremental backups of said file.
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Escaping surprise bills and over-engineered messes: Why I left AWS
Frustrated with AWS's complexity and cost risks, I switched to NearlyFreeSpeech for its prepaid model, ensuring financial control while keeping hosting simple and flexible.
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Comparing AWS Lambda ARM64 vs. x86_64 Performance Across Runtimes in Late 2025
See how AWS Lambda arm64 stacks up against x86_64 in real-world benchmarks across CPU, memory, and I/O workloads using Node.js, Python, and Rust.
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Switching to BunnyCDN in Less Than 2 Hours
Update, 2025-04-16: I wrote a follow-up post after about a month of usage, and you can read that here. Given some recent, uh, instability in US politics, and given that everyone likes an underdog, I’ve been looking at European alternatives to my current hosting situation, which is Cloudflare. After looking through…
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Don't pick weird subnets for embedded networks, use VRFs
Don't pick random subnets to avoid IP address conflicts on foreign networks, use VRFs!
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Turning a Decommissioned iPhone into a UniFi Protect Camera
Why buy a bespoke camera when you can do something much harder instead?
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Configuring Split Horizon DNS with Pi-Hole and Tailscale
Post describing how I've configured pihole to return different results to clients on my tailnet than those on the LAN.
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Don't sell space in your homelab (2023)
Hanging out in subreddits like /r/homelab, /r/servers, and /r/datahoarder, I see this question asked too many times: I have extra space in my home server, how …
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What I Self Host
I’ve always liked reading blogs, and have used several feed readers in the past (Feedly, for example). For a long time I was thinking it would be fun to writ...