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Non blocking and zero downtime ALTER statements in PostgreSQL with pg-osc
pg-osc is a CLI tool for making non-blocking, zero downtime schema changes in PostgreSQL
Topics /
Infrastructure & DevOps
The most popular blog posts about infrastructure & devops on Hacker News. 1,839 posts.
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eBPF Networking Techniques – Packet Redirection
This is the first post of a many planned to shed light on the various networking techniques eBPF makes available to a Linux network developer.
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Email Done My Way, Part 0 – The Journey
Warning. This whole series is not a simple HOWTO. This series is about how I run my mail server. I go through the configuration, line by line and explain. It’s not going to be a simple Copy/Paste to run your own mail server. You have been warned.
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My IRC client runs on Kubernetes
Trust me, there's a reason for this
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Self-Hosted Homelab Website
This website, along with a stack of other projects—including virtualization, remote observability, VPNs, NAS, and more—runs from my wall-mounted home lab.
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Nix and NixOS, my pain points
Posts and writings by Rémy Grünblatt 🍃
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Using Makefile(s) for Go
Using Makefile(s) for Go — Danish Prakash
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The Day “/Proc” Died
Solaris'd... This morning I got an email from our group manager asking about a UNIX server...
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BeyondCorp is dead, long live BeyondCorp
No organization has fully implemented zero trust architecture. Many advocates, including the US government, overlook devices as a key BeyondCorp component.
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My favorite Erlang container
Forcing Kubernetes to let me do Erlang live code upgrades in a containerized deployment.
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Optimising Docker Layers for Better Caching with Nix
Nix users value its isolated, repeatable builds and simple sharing of development environments. Nix makes it easy to go back in time and rebuild software from years ago without issue.
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Fixing the Unfixable: Story of a Google Cloud SSRF
David Schütz's bug bounty writeups
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Why we are leaving Dropbox
I have been using Dropbox almost since its incubation back in 2007, ultimately ending up using 320+ GB for business and 375+ GB of personal…
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ThinkPad as a Server: The Follow-Up
The ThinkPad as a server is back, this time with a couple of adjustments.
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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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Under the Hood of Amazon EC2 Container Service
In this post I explore the Amazon ECS architecture and what this architecture enables.
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Scaling Secret: Real-Time Chat
(This is the first of a series of technical posts I intend to write, and my goal is to help other engineers learn from the experience of…
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My home network observes bedtime with OpenBSD and pf
The files mentioned in this article are available for viewing or cloning here: the 'pf-bedtime' repo .
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Cache Them If You Can
I always smile when I hear a web performance speaker say this. I forget who said it first, but I’ve heard it numerous times at conferences and meetups over the past few years. It’s true! Caching is critical for making web pages faster. I’ve written extensively about caching:
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OpenSSH taking minutes to become available, booting takes half an hour (2018)
So, your machine now needs minutes to boot before you can ssh in where it used to be seconds before the Debian Buster update?
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Load testing is hard and the tools are not great
If you're building an application that needs to scale—and we all tell ourselves that we are—then at some point you have to figure out if it does or not. This is where load testing comes in: if you want to see whether or not your application can handle scale, just generate scale and see if it can handle it! It sounds…