Nix

TL;DR Use jail.nix to sandbox your AI agent environment to protect your host machine from rogue agent exfiltrating your API keys or stealing browser cookies. If you also enable Claude’s --dangerously-skip-permissions or Gemini’s --yolo, there is more reason to properly restrict what the agents can do. Besides, proper sandboxing gives you ease of mind knowing that it can’t wreak havoc on your host machine. Getting Started For the impatient: ...

Introduction Note This article is a good intro if you have no idea what I’m talking about. I use a Pixel 6A and I was surprised that I could run a Linux VM on it. Of course, I tried to use Nix on it. I found nixos-avf but it required Android 16+. I did not want to join the beta program so no NixOS for now. ...

TL;DR Use Distrobox when nixpkgs fails you or you don’t bother with declarative configuration. Introduction Never have I expected this much friction and frustration when switching to NixOS as my daily driver for development work. 1. Only nodejs 18 and above are available on nixpkgs I don’t get to choose what nodejs versions to use for work. For legacy projects I need nodejs 8, 14, 16 etc. The “oldest” compiled nodejs version available in nixpkgs is 18. I found Nix package versions but it requires compiling them from source. I can’t tell my boss “I’m compiling Nodejs 10 please wait 4 hours” before working on it. How I miss fnm. ...

flowchart TD A[Start] --> B{Is plugin in nixpkgs?} B -->|Yes| C[Add to optionalPlugins] B -->|No| D[Add to flake inputs] C --> E[Add any plugin dependencies and tools] D --> E E --> G[Register to lze in init.lua] G --> K[Run nix build .] K --> L[Test with ./result/bin/nvim] TL;DR Check it out: nixCats-nvim-example Run git clone https://github.com/kohane27/nixCats-nvim-example.git ~/.config/nixCats-nvim and start tinkering! Caveat My template assumes you are familiar with the Neovim plugin ecosystem, like adding plugins with lazy.nvim in a normal Linux/MacOS environment. This guide only shows you how to do so in Nix/NixOS. ...

flowchart TD A[How do you use Neovim?] --> B[Basic text editing] A --> C[IDE/PDE experience] B --> D[Use programs.neovim] C --> E[Configuration preference?] E --> F["Nix manages plugins Lua configures nvim"] E --> G[Fully in Nix] F --> H[Use nixCats-nvim] G --> I["Use nvf"] H --> J[Starting point?] J --> K[Already using lazy.nvim] J --> L[Want maximum control] K --> M["templates/LazyVim"] L --> N["templates/example"] click C "https://www.youtube.com/watch?v=QMVIJhC9Veg" _blank click D "https://nixos.wiki/wiki/Neovim" _blank click H "https://github.com/BirdeeHub/nixCats-nvim" _blank click K "https://github.com/folke/lazy.nvim" _blank click I "https://github.com/NotAShelf/nvf" _blank click M "https://github.com/BirdeeHub/nixCats-nvim/tree/main/templates/LazyVim" _blank click N "https://github.com/BirdeeHub/nixCats-nvim/tree/main/templates/example" _blank programs.neovim If the following describes how you use neovim: ...