Nix Configuration

This repository is home to the nix code that builds my systems.

Why Nix?

Nix allows for easy to manage, collaborative, reproducible deployments. This means that once something is setup and configured once, it works forever. If someone else shares their configuration, anyone can make use of it.

This flake is configured with the use of digga.

I-Want-ToBelieve's Dotfiles

NixOS / Home-Manager / Flake

🔧 Installation

1. Download iso

   # Yoink nixos-unstable
   wget -O nixos.iso https://channels.nixos.org/nixos-unstable/latest-nixos-minimal-x86_64-linux.iso
   
   # Write it to a flash drive
   cp nixos.iso /dev/sdX

2. Boot into the installer.

3. Switch to root user: sudo su -

4. Partitioning

   We create a 512MB EFI boot partition (/dev/nvme0n1p1) and the rest will be our LUKS encrypted physical volume for LVM (/dev/nvme0n1p2).

   $ gdisk /dev/nvme0n1

   • o (create new empty partition table)
   • n (add partition, 512M, type ef00 EFI)
   • n (add partition, remaining space, type 8e00 Linux LVM)
   • w (write partition table and exit)

   Setup the encrypted LUKS partition and open it:

   $ cryptsetup luksFormat /dev/nvme0n1p2
   $ cryptsetup config /dev/nvme0n1p2 --label cryptroot
   $ cryptsetup luksOpen /dev/nvme0n1p2 encrypted

   We create two logical volumes, a 24GB swap parition and the rest will be our root filesystem

   $ pvcreate /dev/mapper/encrypted
   $ vgcreate vg /dev/mapper/encrypted
   $ lvcreate -L 24G -n swap vg
   $ lvcreate -l '100%FREE' -n root vg

   Format partitions

   $ mkfs.fat -F 32 -n boot /dev/nvme0n1p1
   $ mkswap -L swap /dev/vg/swap
   $ swapon /dev/vg/swap
   $ mkfs.btrfs -L root /dev/vg/root

   Mount partitions

   $ mount -t btrfs /dev/vg/root /mnt
   
   # Create the subvolumes
   $ btrfs subvolume create /mnt/root
   $ btrfs subvolume create /mnt/home
   $ btrfs subvolume create /mnt/nix
   $ btrfs subvolume create /mnt/log
   $ umount /mnt
   
   # Mount the directories
   $ mount -o subvol=root,compress=zstd,noatime,ssd,space_cache=v2 /dev/vg/root /mnt
   $ mkdir -p /mnt/{home,nix,var/log}
   $ mount -o subvol=home,compress=zstd,noatime,ssd,space_cache=v2 /dev/vg/root /mnt/home
   $ mount -o subvol=nix,compress=zstd,noatime,ssd,space_cache=v2 /dev/vg/root /mnt/nix
   $ mount -o subvol=log,compress=zstd,noatime,ssd,space_cache=v2 /dev/vg/root /mnt/var/log
   
   # Mount boot partition
   $ mkdir /mnt/boot
   $ mount /dev/nvme0n1p1 /mnt/boot

5. Enable flakes

   $ nix-shell -p nixFlakes

6. Install nixos from flake

   $ nixos-install --flake github:I-Want-ToBelieve/dotfiles#asus --impure

👥 People

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These are the people who build and maintain this repository.

I-Want-ToBelieve - sioodmy - fufexan