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Saving Energy: Home Server That Automatically Suspends to RAM and Wakes Up Again
Researcher interested in usable security and privacy.
Topics /
Infrastructure & DevOps
The most popular blog posts about infrastructure & devops on Hacker News. 156 posts.
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Making my own bed sensor
I recently created some “bed sensors” for my smart home that detect if one of us, or both of us, is in bed. I use a couple of pressure mats that detect when weight is applied to them, and stuck then under our mattress at around hip level and these tell my Home Assistant home automation platform if
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That Old NetBSD Server, Running Since 2010
A retrospective on a NetBSD server set up in 2010 under tight deadlines, running almost untouched for over a decade on consumer-grade hardware-proof of the OS's remarkable stability.
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PgBouncer is useful, important, and fraught with peril
Updated 2024-09-17 to reflect updated PgBouncer support for protocol-level prepared statements 🐘 To start, I want to say that I’m appreciative that PgBouncer exists and the work its open source maintainers put into it. I also love working with PostgreSQL, and I’m thankful for the incredible amount of work and…
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A terminal case of Linux
Has this ever happened to you? You want to look at a JSON file in your terminal, so you pipe it into jq so you can look at it with colors and stuff. That’s a useless use of cat. …oh hey cool bear....
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FreeBSD Jails Containers
FreeBSD networking and containers (Jails) stacks are very mature and provide lots of useful features … yet for some reason these features are not properly advertised by the FreeBSD project &#…
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I discovered caching CDNs were throttling my everyday browsing
Update: 28 Nov 2023 Zen Internet and I have amicably parted ways over this matter. Their technical response has been added to this post.
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Moving my PC into my rack in a 2U case
This week I finally moved my gaming/Linux PC into my little office rack—it's that 2U box above the UPS at the bottom: I remembered seeing Linus Tech Tips' 4U build in a video a couple years ago—but he has a full 42U rack in his basement. I don't have that much space—just 2U (technically 3U if I wanted) in my little…
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Last week's Let's Encrypt downtime
How I detected that Let's Encrypt issued 645 non-compliant certificates
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“It works on my machine” turns to “it works in my container” (2019)
You had things running with occasional glitches and there was always an excuse “It works in my machine” as there is rarely identical…
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Bare-Metal Kubernetes, Part I: Talos on Hetzner
I’ve been running a Kubernetes cluster on a mix of virtual and bare metal machines with Hetzner for about a year now, and while the setup has served me well, being a very exploratory exercise at the time it wasn’t very well documented.
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Kubernetes Needs an LTS
There is no denying that containers have taken over the mindset of most modern teams. With containers, comes the need to have orchestration to run those containers and currently there is no real alternative to Kubernetes. Love it or hate it, it has become the standard platform we have largely
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Could we stop Yellowstone from erupting with a giant geothermal power plant?
It’s become fairly common knowledge that Yellowstone National Park, in addition to being incredibly beautiful, is sitting on top of an enormous supervolcano that catastrophically erupts every few hundred thousand years.
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Docker Is Four Things
Docker is not just a way of running programs on Linux without a virtual machine. Docker is 4 things.
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What's wrong with enterprise Linux
An examination of what is wrong with the Enterprise Linux model and a recommendation for a middle ground.
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The Curse of Docker
I'm heading to Las Vegas for re:invent soon, perhaps the most boring type of industry extravaganza there could be. In that spirit, I thought I would write something quick and oddly professional: I'm going to complain about Docker.
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Crafting container images without Dockerfiles
Last month I have been developing a Rust tool to create container images from Conda environments, without going through Docker. It was a wild trip down the rabbit hole of OCI images, so I thought I’d share part of the adventure here. Enjoy! But why? If you are used to building container images, you might be asking…
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The simplicity of single-file Golang deployments
Deploy Go apps as single static binaries with systemd. No Docker, no npm, zero-downtime via socket activation. Modern complexity is often unnecessary.
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Kubernetes is hard
Recently, 37signals unveiled mrsk , a tool developed internally to ease with deployments of their services and an accompanying blog post which sparked a lengthy discussion on Hacker News .
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When deployments are easy, code becomes simpler
You bump into DORA in the wild a lot.
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The long life of Apache httpd 2.4
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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Testing on production
It might seem like a click baity title but it’s not. Let me explain.
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I don't want to host services but I do
I don't want to self-host and think most individuals shouldn't host services for others. Yet I do it anyway, and even teach people how to.
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Passive Solar Water Desalination
I know we are supposed to be worried about the world supply of fresh water. I have been hearing that at least for the last 40 years, and the statistics are alarming. According to the Global Commission on the Economics of Water: "We are seeing the consequences not of freak events, nor of population growth
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Working on Multiple Web Projects with Docker Compose and Traefik
Docker Compose is a brilliant tool for bringing up local development environments for web projects. But working with multiple projects can be a pain due to clashes. For example, all projects want to listen to port 80 (or perhaps one of the super common higher ones like 8000 etc.). This forces developers to only bring…