NixOS

In the previous post “Installing NixOS on BTRFS: Part 1” I realized only after installing NixOS that I had forgot to encrypt my installation, so I have decided to reinstall. This is a small follow up to that post.

It has been many months since I had decided to update my HTPC running NixOS. Sadly, failing to update the HTPC machine as new NixOS versions became available left my machine’s OS version too far back and now no longer compatible with the current version of my NixOS config. I was left with many errors when attempting to upgrade and some may not have been resolvable due to some packages requiring newer compilers that were not available on the system. After a couple hours of debugging I realized this was not worth the effort and decided to simply scrap the system and reinstall. This new install will be just about the simplest install possible, so it is a good starting point.

During the install process for NixOS it will not typically (at least in my experience) add a tmpfs entry to /tmp, as a result I need to add this post install. Simply add the following to your nix config: