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The most popular blog posts about infrastructure & devops on Hacker News. 114 posts.
These days, I’m building a lot of hardware projects based on the ubiquitous Raspberry Pi mini computer. Especially with the Raspberry Pi Zero W (an even tinier version, with the W denoting the wifi-capable version), you can have one anywhere and can power it from any USB power source.
Last time around I was looking for a large dedicated VPS in the $100/month price range. Since then I have started deploying a lot more tiny cloud instances that cost less than $10/month to run just one or two apps. So this time around I am looking for the best bang for the buck for less $10 per month. Unmanaged, of…
Learn how to build an air quality monitoring device with a PMS7003 sensor, Raspberry Pi and some Java code. Help raise awareness about air pollution.
Why can't we have nice digital things?
I'm currently working on a logging project that was initially implemented using AWS Elasticsearch. Having worked with large-scale mainline Elasticsearch clusters for several years, I'm absolutely stunned at how poor Amazon's implementation is and I can't fathom why they're unable to fix or at least improve it. I…
Complete Guide on understanding the Syslog protocol, syslog message format as well as log forwarding. Best practices included!
There is a lot of material out there about services meshes, and this is another one. Yay! But why? Because I would like to give you the perspective of someone who wish service meshes did exist 10 years ago, long before the rise of container platforms like Docker and Kubernetes. I’m not claiming that this perspective…
I was at cfgmgmtcamp 2019 in Ghent, and did a talk which I think was well received about the need for some Kubernetes configuration management as well as the solution
As a software developer, I know first-hand how difficult it is to build quality products quickly and cheaply. It’s an art form that we sometimes get right, and other times devolves into something akin to the Obama era healthcare government site. Our level of control over the resulting product varies, and blame for…
Let’s Encrypt is a revolutionary new certificate authority that provides free certificates in a completely automated process. These certificates are …
Take manual control of your Linux system’s DNS resolution and keep programs from interfering with and overwriting your resolv.conf file.
Update fall 2024 I have decided to decomission this machine and it is no longer in use.
You should choose a monorepo because the default behavior it encourages in your teams is visibility and shared responsibility, especially…
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Robert O'Callahan. Christian. Kiwi. Software guy. All content human-authored unless otherwise noted.
This is inspired by Dan Luu's post on the advantages of a single big repository over many small ones. That post is fairly old, and I confess that I'm hardly up to date on the state of tooling, both for managing multiple repos and for dealing with one big one. But I'm going to make an argument which I think mostly…
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Discussion on Hacker News This article and its topic were the subject of fairly detailed discussion on this thread here on Hacker News. Perusing through the comments should be well worth your time,…
If, like me, you’re over 40 and work in IT, you’ll probably remember a time when everyone used Windows, and a small but growing proportion of people were wasting their lives compiling Linux in their spare time.
Every time someone reports higher latency after migrating to Kubernetes, the root cause is an assumption that changed. This is one of those stories.
This guide will walk you through the setup of a remote machine that will act as a personal VPN server at the cost of 3 to 5 USD per month. We will also configure it to act as a DNS resolver that will automatically block spam, tracking, advertising and malware domains on all of your connected devices.
