How to Upgrade NixOS to 25.11
Upgrading NixOS is a straightforward process, but it’s important to follow the correct steps to ensure a smooth transition. Here is a guide on how to upgrade your system to NixOS 25.11. 1. List Current Channels First, it’s a good idea to verify your current channels. nix-channel --list 2. Add the New 25.11 Channel Add the new NixOS 25.11 channel to your system. sudo nix-channel --add https://nixos.org/channels/nixos-25.11 nixos 3. Update All Channels Update your channels to download the new package definitions. ...