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# 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-CT4000P3PSSD8_2325E6E63746
HOST=mini
# 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
# create partitions
parted $DISK -- mklabel gpt
sgdisk -n 1:0:+1024M -c 1:"EFI System Partition" -t 1:EF00 $DISK
sgdisk -n 2:0:+256G -c 2:"nix" -t 2:8e00 $DISK
sgdisk -n 3:0:0 -c 3:"data" -t 3:8e00 $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
# create encrypted bcachefs
bcachefs format --block_size=4096 --errors=ro --metadata_checksum=xxhash --data_checksum=xxhash --compression=lz4 --wide_macs --acl --encrypted --fs_label=nix --discard -f $DISK-part2
bcachefs format --block_size=4096 --errors=ro --metadata_checksum=xxhash --data_checksum=xxhash --compression=lz4 --wide_macs --acl --encrypted --fs_label=data --discard -f $DISK-part3
# prepare install
mount -t tmpfs none /mnt
# Create directories to mount file systems on
mkdir -p /mnt/{data,nix,home,boot,root,etc/nixos}
# mount the ESP
mount $DISK-part1 /mnt/boot
# mount bcachefs stuff
mount -o noatime,nodiratime $DISK-part2 /mnt/nix
mount -o noatime,nodiratime $DISK-part3 /mnt/data
# bind mount persistent stuff to data
mkdir -p /mnt/{data/home,data/root,data/nixos/$HOST}
mount --bind /mnt/data/home /mnt/home
mount --bind /mnt/data/root /mnt/root
mount --bind /mnt/data/nixos/$HOST /mnt/etc/nixos
# take a look
mount
# configure
nixos-generate-config --root /mnt
# save /mnt/etc/nixos/hardware-configuration.nix /mnt/etc/nixos/configuration.nix
cp /mnt/etc/nixos/hardware-configuration.nix /tmp
cp /mnt/etc/nixos/configuration.nix /tmp
# copy data
rsync --checksum -vaR --delete /data /mnt
# install
nixos-install --no-root-passwd --root /mnt
# unmount all stuff
umount -Rl /mnt
cryptsetup luksClose crypt-system
#
# after install tasks for extra file systems
#
# create vms disk
DD=/dev/disk/by-id/ata-CT2000MX500SSD1_2138E5D5061F
sgdisk --zap-all $DD
blkdiscard -v $DD
wipefs -a $DD
sleep 5
# create encrypted bcachefs
bcachefs format --block_size=4096 --errors=ro --metadata_checksum=xxhash --data_checksum=xxhash --compression=lz4 --wide_macs --acl --encrypted --fs_label=vms --discard -f $DD
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