nixos/mini/install.txt

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#
# 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
# host name to use
HOST=mini
# disks to use
DISK=/dev/disk/by-id/nvme-CT4000P3PSSD8_2325E6E63746
DISK2=/dev/disk/by-id/ata-CT2000MX500SSD1_2138E5D5061F
# ensure 4k sector size
nvme format --lbaf=1 --force $DISK
nvme id-ns -H $DISK
sleep 5
# create partition table on all disks and EFI partition
for D in $DISK $DISK2; do
# kill old data
sgdisk --zap-all $D
blkdiscard -v $D
wipefs -a $D
sleep 5
# create partitions
parted $D -- mklabel gpt
sgdisk -n 1:0:+1024M -c 1:"EFI System Partition" -t 1:EF00 $D
sgdisk -n 2:0:0 -c 2:"Linux" -t 2:8e00 $D
parted $D -- set 1 boot on
sleep 5
# boot partition
mkfs.fat -F 32 -n EFIBOOT $D-part1
sleep 5
done
# take a look at the partitions
lsblk
# create the RAID-0, second partitions on all disks
mdadm --create --verbose --level=0 --raid-devices=2 /dev/md/system $DISK-part2 $DISK2-part2
sleep 5
# take a look at the partitions
lsblk
# create the LUKS container and open it
cryptsetup luksFormat --sector-size 4096 --batch-mode --verify-passphrase /dev/md/system
cryptsetup luksOpen /dev/md/system crypt-system
sleep 5
# take a look at the partitions
lsblk
# create btrfs with volumes
mkfs.btrfs -f --features block-group-tree --label system /dev/mapper/crypt-system
mount -t btrfs /dev/mapper/crypt-system /mnt
btrfs subvolume create /mnt/data
btrfs subvolume create /mnt/nix
btrfs subvolume create /mnt/tmp
umount /mnt
sleep 5
# take a look at the partitions
lsblk
# prepare install, tmpfs root
mount -t tmpfs none /mnt
# Create directories to mount file systems on
mkdir -p /mnt/{data,nix,boot,root,etc/nixos,tmp}
# mount the ESP
mount $DISK-part1 /mnt/boot
# mount volumes
mount -o subvol=data,noatime /mnt/data
mount -o subvol=nix,noatime /mnt/nix
mount -o subvol=tmp,noatime /mnt/tmp
# bind mount persistent stuff to data
mkdir -p /mnt/data/{root,nixos/$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
# check /mnt/etc/nixos/hardware-configuration.nix /mnt/etc/nixos/configuration.nix
# copy config data from another machine including secrets
sudo scp -r /data/nixos root@192.168.13.100:/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
# shutdown once
shutdown -h now
# sync all /data after the install
sudo -E rsync -va --delete --one-file-system /data/ root@192.168.13.100:/data/