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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
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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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Nix and NixOS, my pain points
Posts and writings by Rémy Grünblatt 🍃
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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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Fixing the Unfixable: Story of a Google Cloud SSRF
David Schütz's bug bounty writeups
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On Web3 Infrastructure
In recent months, there has been a resurgence in the usage of the term “web3”: a nebulous term that (like it or hate it) has suddenly become a banner for much of the innovation happening in the space of blockchain and distributed ledger technology. The term has been around for a while (since 2014 when Gavin Wood…
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Fast CI with MicroVMs
I saw an opportunity to fix self-hosted runners for GitHub Actions. Actuated is now in pilot and aims to solve most if not all of the friction.
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Using Nix on macOS
I recently started using the Nix Package Manager on macOS and the process has been painful. In this post, I’m going to write down how I’m currently using Nix...
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My thoughts about Fly.io (so far) and other newish technology I'm getting into
Hartley writes about full stack software engineering and AI-driven software development.
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Why Not ZFS (2021)
ZFS is a hybrid filesystem and volume manager system that is quite popular recently but has some important and unexpected problems.
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About adding a static route to my DOCSIS modem
You may think this is an easy task but let’s find out. One would expect such functionality in a web interface …
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The End of Localhost
All the Cloud's A Staging Env, and All the Laptops Merely Clients
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Can a laptop from 2012 be a viable home server?
I took a spare ThinkPad T430 and put all my home server workloads on it. Here's how it went.
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The complete idiot's guide to OpenBSD on the Pinebook Pro
Today I will show you how I installed the latest snapshot of OpenBSDon my Pinebook Pro with plenty of detail so that you can do it, too.I will include instru...
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How Asus and a Microsoft Bug Almost Broke Remote Work
A couple of years after it happened I'm sharing this story about the intersection of an OS bug, a network hardware quirk, and a global pandemic. A chain…
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Lock-In and Multi-Cloud
Alone in a room with the customer’s CTO, I said “So, I spent this morning talking to your people, and it looks like you’re using low-level generic tech for everything and managing it yourself. You could save a shit-ton of money by using high-level managed services and get load-scaling for free.” “Yeah,” he said, “but…
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About using Nix in my development workflow
TL;DR If you don’t want to read how I’ve got to use Nix and general information about it but only focus on its use to setup a development environment, please jump to Using Nix. Even from that part, the reading can take some time as I wanted to share what I’ve learned and found useful accross two months of intensive…
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We're moving away from swap partitions on our Linux 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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Explaining modern server monitoring stacks for self-hosting
In this article, I'm exploring four different servers monitoring setups involving Grafana, VictoriaMetrics, Prometheus and Collectd.
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AWS is not a dumb pipe
In 1997, David Isenberg wrote an article called the Rise of the Stupid Network. Isenberg worked at Bell Labs, the R&D lab of AT&T, and was responsible for some significant breakthroughs during the PC and the early int...
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How I learned to stop worrying and love the YAML
Something I miss after emigrating from the UK to the USA is the using the name of a yeast extract based spread as an adjective. To describe something as “marmite”
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The Lost Art of System Administration
I spent a good chunk of my adolescence learning Linux systems administration. I attribute some of my success as a software engineer to the scripting and systems knowledge I picked up while installing, maintaining, and...
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Event-driven access to my home after a run
I always run with my phone on me, so accessing my home afterward has been convenient since installing MyQ W-Fi connected garage doors several years ago. No need to remember to carry a separate house key anymore and getting into my house is (usually) an app launch away. It has worked great, until one day …
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