start to prepare for zeta ARM machine

beta/configuration.nix

@@ -10,6 +10,10 @@
       /data/nixos/share/common.nix
     ];
 
+  # x86-64 machine
+  nixpkgs.hostPlatform = "x86_64-linux";
+  boot.loader.efi.canTouchEfiVariables = true;
+
   # our hostname
   networking.hostName = "beta";
   networking.hostId = "c07bab49";

miku/configuration.nix

@@ -10,6 +10,10 @@
       /data/nixos/share/common.nix
     ];
 
+  # x86-64 machine
+  nixpkgs.hostPlatform = "x86_64-linux";
+  boot.loader.efi.canTouchEfiVariables = true;
+
   # our hostname
   networking.hostName = "miku";
   networking.hostId = "4d00f481";

neko/configuration.nix

@@ -10,6 +10,10 @@
       /data/nixos/share/common.nix
     ];
 
+  # x86-64 machine
+  nixpkgs.hostPlatform = "x86_64-linux";
+  boot.loader.efi.canTouchEfiVariables = true;
+
   # our hostname
   networking.hostName = "neko";
   networking.hostId = "4836f248";

share/common.nix

@@ -23,9 +23,6 @@ in
   # install release
   system.stateVersion = "25.05";
 
-  # atm all stuff is x86_64
-  nixpkgs.hostPlatform = "x86_64-linux";
-
   # enable ZFS
   boot.supportedFilesystems = ["zfs"];
 
@@ -115,7 +112,6 @@ in
 
   # Use the systemd-boot EFI boot loader.
   boot.loader.systemd-boot.enable = true;
-  boot.loader.efi.canTouchEfiVariables = true;
 
   # use a high resolution
   boot.loader.systemd-boot.consoleMode = "max";

zeta/install.txt

@@ -0,0 +1,161 @@
+#
+# preparation of installer on NixOS machine
+# details see https://github.com/nix-community/nixos-apple-silicon/blob/main/docs/uefi-standalone.md
+#
+
+# get the Apple Silicon support git
+git clone https://github.com/nix-community/nixos-apple-silicon.git
+cd nixos-apple-silicon
+
+# build m1n1
+nix build .#m1n1 -o m1n1
+
+# build uboot
+nix build .#uboot-asahi -o u-boot
+
+# build installer ISO
+nix build .#installer-bootstrap -o installer -j4 -L
+
+# write to USB stick
+doas dd if=result/iso/nixos-*-x86_64-linux.iso of=/dev/sda bs=4M conv=fsync
+
+#
+# enable ssh for root
+#
+
+sudo bash
+systemctl start sshd
+passwd
+
+# get wlan
+nmtui
+
+#
+# install script below
+#
+
+# host name to use
+HOST=zeta
+
+# disks to use
+DISK=/dev/disk/by-id/nvme-SAMSUNG_MZVLB1T0HBLR-000L2_S4DZNX0R362286
+DISKS="$DISK"
+
+# create partition table on all disks and EFI partition
+RAID=""
+for D in $DISKS; do
+    # kill old data
+    sgdisk --zap-all $D
+    blkdiscard -v -f $D
+    wipefs -a $D
+    sleep 5
+
+    # Create partition table
+    parted $D -- mklabel gpt
+
+    # Create a /boot as $D-part1
+    parted $D -- mkpart ESP fat32 1MiB 1024MiB
+    parted $D -- set 1 boot on
+
+    # Create a /nix as $D-part2
+    parted $D -- mkpart NIX 1024MiB 100%
+
+    # boot partition after short sleep, needed on some machines
+    sleep 5
+    mkfs.vfat $D-part1
+
+    # add part2 to raid
+    RAID="$RAID $D-part2"
+done
+
+# take a look at the partitions
+lsblk
+
+# ZFS zpool creation with compression and encryption
+zpool create \
+    -o ashift=13 \
+    -o autotrim=off \
+    -O acltype=posixacl \
+    -O atime=off \
+    -O canmount=off \
+    -O checksum=blake3 \
+    -O compression=lz4 \
+    -O dnodesize=auto \
+    -O utf8only=on \
+    -O normalization=none \
+    -O xattr=sa \
+    -O mountpoint=none \
+    -O encryption=on \
+    -O keylocation=prompt \
+    -O keyformat=passphrase \
+    zpool $RAID
+
+sleep 5
+
+# take a look at the partitions
+lsblk
+
+# show the pool
+zpool status
+
+sleep 5
+
+# create all the volumes
+zfs create -o recordsize=64K -o mountpoint=legacy zpool/data
+zfs create -o recordsize=64K -o mountpoint=legacy zpool/nix
+zfs create -o recordsize=64K -o mountpoint=legacy zpool/root
+
+sleep 5
+
+# show the pool
+zpool status
+
+sleep 5
+
+# create ZFS snapshot that we'll rollback to on boot
+# see https://ryanseipp.com/post/nixos-encrypted-root/
+zfs snapshot zpool/root@blank
+
+sleep 5
+
+# prepare install, root
+mount -t zfs zpool/root /mnt
+
+# Create directories to mount file systems on
+mkdir -p /mnt/{data,nix,boot,root,etc/nixos}
+
+# mount the ESP
+mount $DISK-part1 /mnt/boot
+
+# mount volumes
+mount -t zfs zpool/data /mnt/data
+mount -t zfs zpool/nix /mnt/nix
+
+# bind mount persistent stuff to data
+mkdir -p /mnt/data/{root,nixos/$HOST}
+mount --bind /mnt/data/root /mnt/root
+mount --bind /mnt/data/nixos/$HOST /mnt/etc/nixos
+
+# create fake /data to have the right paths
+mkdir -p /data
+mount --bind /mnt/data /data
+
+# take a look
+mount
+
+# configure
+nixos-generate-config --root /mnt
+
+# copy config data from another machine including secrets
+doas scp -r /data/nixos root@192.168.13.102:/mnt/data
+
+# install
+nixos-install --option experimental-features 'nix-command flakes' --no-root-passwd --root /mnt
+
+# unmount all stuff and sync
+umount -Rl /data /mnt
+zpool export -a
+sync
+
+# shutdown once
+shutdown now