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My RabbitMQ setup for notifications
I recently decided to try out RabbitMQ (the popular messaging queue) to fix the problem of notifications.
Topics /
Infrastructure & DevOps
The most popular blog posts about infrastructure & devops on Hacker News. 1,840 posts.
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Monorepos and the Fallacy of Scale
In a recent blog post entitled “Monorepos: Please don’t,” Matt Klein discusses the pros and cons - as it turns out, mostly cons in his view - of monorepos. The long and short of it is that he thinks that they are not a good fit for most teams. After thinking about this question for a few years I have come to the…
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Ditching PaaS: Why I Went Back to Self-Hosting
I had never been a fan of devops/server-admin work. The sheer number of headaches involved in setting up the services, configuring them, automating them, and ensuring their reliability were just annoying and time-consuming. PaaS offerings like Heroku, AWS—and later—Railway, and Render, were appealing options out of…
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The Irrevocable SSL Certificates of Cloudflare
moved this website 'worldofmatthew.com' away from CloudFlare back in August 2020.That should have been the end of the relation with CloudFlare for my website.
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The security scanner that cried wolf
If you’ve ever been alarmed by how many security vulnerabilities your Docker image has, even after you’ve installed security updates, here’s what’s going on.
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Building binary deb packages: a practical guide
How to ship your apps on Debian and derivatives.
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Minisforum Stuffs Entire Arm Homelab in the MS-R1
The Minisforum MS-R1 uses the same Cix CD8180 Arm SoC as the Orion O6 I reviewed earlier this year. But everything else about this thing is different. What this thing should be, is a box that runs Linux and can compete with at least an Apple M1 Mac mini, or a mid-range Mini PC. But what we got... is something…
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Head in the Zed Cloud
For the past five months I've been leading the efforts to rebuild Zed 's cloud infrastructure.
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HAProxy: How to temporary disable a back end server using the command line
HAProxy can be controlled from the command line using its admin socket. This can be used to easily disable and enable a backend server on the cli.
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An upside-down backup strategy
An Upside-Down Backup Strategy I have a strange way of doing backups these days. When I save something, the master copy is in the cloud. If a file exists only on my local drive, it's not safe....
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Futures of distributions
Seems Debian is talking about why they are unable to package whole categories of modern software, such as anything using npm. It's good they're having a conversation about that, and I want to give a broader perspective.
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Varnish Explained
Complete guide to Varnish cache: HTTP headers, VCL configuration, cache invalidation, ESI, and practical setup. Video, slides & real-world examples.
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PostgreSQL needs a new load balancer
We do a lot of high-availablity PostgreSQL deployments for clients. As of 9.1, streaming replication (SR) is excellent for this, and can sc...
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Visualizing Docker Containers and Images
This post is meant as a Docker 102 -level post. If you are unaware of what Docker is, or don't know how it compares to virtual machines ...
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Back to Linux
Background Note: I’ve started writing this article about one year ago (September 2020), but I dropped it at some point. Its final version is way less ambitious than my original plans for it, mostly because I forgot some of things that were on mind back then. Still, better than nothing. A long time ago (in 2011) I…
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Some thoughts on personal Git hosting
As part of my ongoing (and somewhat futile) efforts to ReDeCentralise, I'm looking at moving my personal projects away from GitHub. I already have accounts with GitLab and CodeBerg - but both of those sites are run by someone else. While they're lovely now, there's nothing stopping them becoming as slow or AI-infested…
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Project Mini Rack – compact and portable homelabs
Today I'm announcing Project MINI RACK, an open source project to help those building homelabs, RF/wireless rigs, and other electronics projects into mini 10" racks. Not everyone can afford (either due to budget or space constraints) to have a full 19" rack in their home. Besides that, people may want to deploy small…
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BPF port-based firewall for systemd services
The first post introduced the IPIngressFilterPath and IPEgressFilterPath feature for the upcoming systemd release 243 to support custom BPF programs as firewall for services. There was a simple example for a minimal BPF program written in C and how to load it for a systemd service. Then there was a standalone program…
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