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Dtrace for Linux
Not explicitly mentioned in that talk, but certainly the most exciting thing, is that Oracle is doing a proper linux kernel port:
Topics /
Infrastructure & DevOps
The most popular blog posts about infrastructure & devops on Hacker News. 1,839 posts.
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Why are nuclear power construction costs so high?
Nuclear power currently makes up slightly less than 20% of the total electricity produced in the US, largely from plants built in the 70s and 80s.
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Arch Linux Now Has a Bit-for-Bit Reproducible Docker Image
As a follow-up to the similar milestone reached for our WSL image a few months ago, I’m happy to share that Arch Linux now has a bit-for-bit reproducible Docker image! This bit-for-bit reproducible image is distributed under a new “repro” tag. The reason for this is due to one noticeable caveat: to ensure…
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Linux is Most Used OS in Microsoft Azure – over 50 percent of VM cores
For the last few years, Microsoft has stated during event keynotes and in other places that Linux is a rapidly growing operating system (OS) being used within Microsoft Azure. They had proudly stat…
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Why Self-Host?
Let me make the argument why you should start self-hosting more of your personal services.
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My Homelab Setup
How I repurposed my old gaming PC to set up a home server for data storage, backups, and self-hosted apps.
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Moving my serverless project to Ruby on Rails
Serverless is like a black hole. It promised exciting adventures, but the gravity sucked me in and I spent most of my efforts dealing with its complexity, in...
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My Amazon S3 Mistake
DevFactor | Page are used for templating and causing DevFactor to be easily navigable
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Nix – Death by a Thousand Cuts
thoughts, talks, docs and unpopular opinions
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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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Building a NAS
I’ve been fascinated by high-volume, fault-tolerant data storage systems for a long time. I started my data storage setup in earnest with a 4-disk RAID 5 array on an ARC-1210 controller installed in my daily-driver Windows desktop. When that array inevitably filled up, I added another array on a second ARC-1210. That…
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Scaling GitHub
Written pieces, talks, and other bits by Zach Holman.
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Building a Budget Homelab NAS Server
How I chose parts, built, and configured my first custom home storage server.
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Cloud VM benchmarks 2026
NOTE June 2026: Hetzner announced over 100% increases in prices. They will honour old prices for instances built before June 15th 2026, but for new instances the performance/price ratios show below are no longer valid.
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How to Build a Minimal ZFS NAS Without Synology, QNAP, TrueNAS (2024)
If you need a basic NAS and don't care about GUI features, it is suprisingly simple to set up a ZFS dataset and share it over the network using Samba.
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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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Ansible Techniques I Wish I’d Known Earlier
If you’ve ever spent ages waiting for an Ansible playbook to get through a bunch of tasks so yours can be tested, then this article is for you.
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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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How I re–over-engineered my home network for privacy and security
How I used Docker Compose, Ansible, and Caddy to re-over-engineer my network setup for easier maintenance, treating my Raspberry Pi like cattle, not a pet.
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On SQS
In my position I probably shouldn’t have a favorite AWS product, just like you shouldn’t have a favorite child. I do have a fave service but fortunately I’m not an (even partial) parent; so let’s hope that’s OK. I’m talking about Amazon Simple Queue Service , which nobody ever calls by its full name.
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Air Gaps
Since I started working with Snowden’s documents, I have been using a number of tools to try to stay secure from the NSA. The advice I shared included using Tor, preferring certain cryptography over others, and using public-domain encryption wherever possible. I also recommended using an air gap, which physically…
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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
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Dear friend, you have built a Kubernetes
Mac's Tech Blog
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I made a simple geolocation service
Learn how to create simple Geolocation service without 3rd-party APIs
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The modern HTTPS world has no place for old web servers
You're probably reading this page because you've attempted to access some part of my blog (Wandering Thoughts) or CSpace , the wiki thing it's part of. Unfortunately you're using a browser version that my anti-crawler precautions consider suspicious, most often because it's too old (most often this applies to versions…
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