# # enable ssh for root # sudo bash systemctl start sshd passwd # # install script below # # # kill old efi boot stuff # efibootmgr efibootmgr -b 0 -B efibootmgr -b 1 -B efibootmgr -b 2 -B efibootmgr -b 3 -B efibootmgr -b 4 -B efibootmgr # Defining some helper variables (these will be used in later code # blocks as well, so make sure to use the same terminal session or # redefine them later) DISK=/dev/disk/by-id/nvme-Seagate_FireCuda_530_ZP4000GM30013_7VS01VBM DISK2=/dev/disk/by-id/nvme-CT2000P5PSSD8_213330E4ED05 DISK3=/dev/disk/by-id/nvme-Samsung_SSD_980_PRO_2TB_S69ENF0R846614L HOST=neko # ensure 4k sector size nvme format --lbaf=1 --force $DISK nvme id-ns -H $DISK sleep 5 # kill old data sgdisk --zap-all $DISK blkdiscard -v $DISK wipefs -a $DISK gdisk -l $DISK # wipe second disk sgdisk --zap-all $DISK2 blkdiscard -v $DISK2 wipefs -a $DISK2 # wipe third disk sgdisk --zap-all $DISK3 blkdiscard -v $DISK3 wipefs -a $DISK3 sleep 5 # create partitions parted $DISK -- mklabel gpt sgdisk -n 1:0:+1024M -c 1:"EFI System Partition" -t 1:EF00 $DISK sgdisk -n 2:0:0 -c 2:"Linux" -t 2:8e00 $DISK parted $DISK -- set 1 boot on sleep 5 # take a look cat /proc/partitions # boot partition mkfs.fat -F 32 -n EFIBOOT $DISK-part1 sleep 5 # create the crypto containers with proper 4k sectors cryptsetup luksFormat --sector-size 4096 --batch-mode --verify-passphrase $DISK-part2 cryptsetup luksFormat --sector-size 4096 --batch-mode --verify-passphrase $DISK2 cryptsetup luksFormat --sector-size 4096 --batch-mode --verify-passphrase $DISK3 # open the containers cryptsetup luksOpen $DISK-part2 crypt0 cryptsetup luksOpen $DISK2 crypt1 cryptsetup luksOpen $DISK3 crypt2 # create one large btrfs on them, RAID0 with strong checksum mkfs.btrfs -f -d raid0 -m raid0 --checksum blake2 --features block-group-tree --label nix /dev/mapper/crypt0 /dev/mapper/crypt1 /dev/mapper/crypt2 sleep 5 # prepare install, tmpfs root mount -t tmpfs none /mnt # Create directories to mount file systems on mkdir -p /mnt/{nix,home,boot,root,etc/nixos} # mount the ESP mount $DISK-part1 /mnt/boot # mount large btrfs mount -t btrfs /dev/mapper/crypt0 -o device=/dev/mapper/crypt1 -o device=/dev/mapper/crypt2 /mnt/nix # ensure tmp fills not the RAM mkdir -p /mnt/tmp /mnt/nix/tmp mount --bind /mnt/nix/tmp /mnt/tmp # bind mount persistent stuff to data mkdir -p /mnt/nix/data/{home,root,nixos/$HOST} mount --bind /mnt/nix/data/home /mnt/home mount --bind /mnt/nix/data/root /mnt/root mount --bind /mnt/nix/data/nixos/$HOST /mnt/etc/nixos # create fake /nix/data to have the right paths mkdir -p /nix/data mount --bind /mnt/nix/data /nix/data # take a look mount # configure nixos-generate-config --root /mnt # check /mnt/etc/nixos/hardware-configuration.nix /mnt/etc/nixos/configuration.nix # copy config data from another machine including secrets sudo scp -r /nix/data/nixos root@192.168.13.171:/mnt/nix/data # install nixos-install --option experimental-features 'nix-command flakes' --no-root-passwd --root /mnt # unmount all stuff and sync umount -Rl /nix/data /mnt cryptsetup luksClose crypt0 cryptsetup luksClose crypt1 cryptsetup luksClose crypt2 sync # shutdown once shutdown -h now # sync all /data after the install sudo -E rsync -va --delete --one-file-system /nix/data/ root@192.168.13.171:/nix/data/