more zfs preparations

README.md

@@ -0,0 +1,29 @@
+# build unstable installer
+
+{
+  description = "installation media";
+  inputs.nixos.url = "nixpkgs/nixos-unstable";
+  outputs = { self, nixos }: {
+    nixosConfigurations = {
+      exampleIso = nixos.lib.nixosSystem {
+        system = "x86_64-linux";
+        modules = [
+          "${nixos}/nixos/modules/installer/cd-dvd/installation-cd-minimal.nix"
+        ];
+      };
+    };
+  };
+}
+
+git init
+git add flake.nix
+nix --extra-experimental-features flakes --extra-experimental-features nix-command build .#nixosConfigurations.exampleIso.config.system.build.isoImage
+
+sudo dd if=result/iso/nixos-24.05.20240108.317484b-x86_64-linux.iso of=/dev/sda bs=4M conv=fsync
+
+# good ZFS links
+
+- https://openzfs.github.io/openzfs-docs/Getting%20Started/NixOS/Root%20on%20ZFS.html
+- https://carjorvaz.com/posts/installing-nixos-with-root-on-tmpfs-and-encrypted-zfs-on-a-netcup-vps/
+- https://astrid.tech/2021/12/17/0/two-disk-encrypted-zfs/
+- https://mzhang.io/posts/2022-05-09-installing-nixos-on-encrypted-zfs/