nixos-install-oneclick: Initialize

en/nixos-install-oneclick.md

@@ -4,4 +4,16 @@ order: 3
 
 # Install NixOS directly from a remote flake
 
-[ ] To write
+>[!WARNING] To Write
+> This tutorial has not been written yet. What you see below are just rough notes.
+
+Boot from a NixOS install live CD, and then:
+
+```sh
+sudo nix \
+    --extra-experimental-features 'flakes nix-command' \
+    run github:nix-community/disko#disko-install -- \
+    --flake "github:nixos-asia/website/disko-install?dir=global/nixos-install-oneclick#oneclick" \
+    --write-efi-boot-entries \
+    --disk main /dev/sda
+```

global/nixos-install-oneclick/disk-config.nix

@@ -0,0 +1,37 @@
+{
+  disko.devices = {
+    disk = {
+      main = {
+        # When using disko-install, we will overwrite this value from the commandline
+        device = "/dev/disk/by-id/some-disk-id";
+        type = "disk";
+        content = {
+          type = "gpt";
+          partitions = {
+            MBR = {
+              type = "EF02"; # for grub MBR
+              size = "1M";
+            };
+            ESP = {
+              type = "EF00";
+              size = "500M";
+              content = {
+                type = "filesystem";
+                format = "vfat";
+                mountpoint = "/boot";
+              };
+            };
+            root = {
+              size = "100%";
+              content = {
+                type = "filesystem";
+                format = "ext4";
+                mountpoint = "/";
+              };
+            };
+          };
+        };
+      };
+    };
+  };
+}

global/nixos-install-oneclick/flake.nix

@@ -0,0 +1,32 @@
+{
+  inputs = {
+    nixpkgs.url = "github:NixOS/nixpkgs/nixos-23.11";
+    disko.url = "github:nix-community/disko";
+    disko.inputs.nixpkgs.follows = "nixpkgs";
+  };
+  outputs = { self, nixpkgs, disko, ... }: {
+    nixosConfigurations.oneclick = nixpkgs.lib.nixosSystem {
+      system = "x86_64-linux";
+      modules = [
+        ./disk-config.nix
+        disko.nixosModules.disko
+        ({ pkgs, ... }: {
+          environment.systemPackages = [ pkgs.htop ];
+          boot.loader = {
+            systemd-boot.enable = true;
+            efi.canTouchEfiVariables = true;
+          };
+          networking.hostName = "oneclick";
+          services.openssh.enable = true;
+
+          # Add your key here
+          users.users.root.openssh.authorizedKeys.keys = [
+            "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIHQRxPoqlThDrkR58pKnJgmeWPY9/wleReRbZ2MOZRyd"
+          ];
+
+          system.stateVersion = "23.11";
+        })
+      ];
+    };
+  };
+}