NixOS on The Negation

The Terminal State of Mind

Wed, 28 May 2025 21:24:28 +0000

I use the terminal. Not because I am a command-line wizard or particularly efficient with it, but because the GUI has never given me the rhythm and flow I need.

NixOS Rebuilds, Upgrades and Generation Diffs

Tue, 27 May 2025 21:20:42 +0000

Today, I upgraded my NixOS system to the latest version, v25.05. It went smoothly. I just want to report my experience here.

Managing NixOS on DigitalOcean with Colmena

Fri, 23 Aug 2024 21:14:29 +0000

In this post, we will prepare a DigitalOcean image for NixOS, launch a droplet with it and manage it using Colmena.

Backup GitHub Repositories with gidek

Mon, 05 Aug 2024 21:24:10 +0000

Do you backup your Git repositories? If not, you should consider doing so. I might even have a solution for you if you are using GitHub: gidek. It even has some NixOS goodies packed with it.

Managing NixOS Secrets via SOPS, sops-nix and opsops

Sat, 03 Aug 2024 18:29:25 +0000

Secret provisioning is a critical operation during the deployment and management of a software system. The way it is done can have significant impact on both security and operational efficiency.

In this post, I am going to discuss SOPS, sops-nix and opsops tools for managing secrets and how I and my team use it.

OpenResty on NixOS for an API Gateway

Thu, 01 Aug 2024 11:45:40 +0000

Are you using an API gateway? Do you really need one? If you are using NixOS and feel comfortable with some Lua, you may want to consider OpenResty on NixOS as an API gateway.

Running NixOS Guests on QEMU

Wed, 31 Jul 2024 14:41:19 +0000

Once in a while, I want to test some NixOS configuration without affecting my main system or launching new hosts on the cloud.

Running NixOS on a virtual machine (VM) is a safe and reproducible way to test such configurations. As for VMs, I have used VirtualBox, Vagrant and lxd in the past. However, I have found QEMU to be the simplest and most flexible solution for my needs.

This guide is a quick reference to create and run NixOS guests on QEMU.

Archiving PostgreSQL Backups on NixOS

Tue, 30 Jul 2024 09:18:10 +0000

This is a technical note on how to archive PostgreSQL backups on NixOS to one or more targets using rclone.

NixOS on Raspberry Pi 4 with Encrypted Filesystem

Sat, 18 Nov 2023 00:00:00 +0000

This guide documents how to install NixOS on Raspberry Pi 4 with an encrypted root filesystem.