universe/hosts/Infini-OPTIPLEX/readme.org

Infini-OPTIPLEX Setup

Partition Scheme

Position	Label	FS Type	Size	Type
1	boot	vfat / fat32	511M	EFI System Partition
2	Infini-OPTIPLEX	btrfs	Rest	Root Partition
3	swap	swap	24G	Swap Space

Configuration

Setup for another server hosting computer, which I keep with me at college. Using the server form factor from hardware/form.

Setup Scripts

<<boilerplate>>

<<mount_check>>

<<partitioning>>

<<filesystems>>

<<subvolumes>>

<<mount>>

<<installing>>

<<install_extra>>

<<cleanup>>

<<boilerplate>>

<<mount_check>>

<<mounting>>

<<installing>>

<<install_extra>>

<<boilerplate>>

<<mount_check>>

<<data_partitioning>>

<<data_filesystems>>

<<data_subvolumes>>

Script Boilerplate

DISK=$1
PART=$DISK$2

sudo mkdir -p /mnt

if mountpoint -q -- "/mnt"; then
    echo "ERROR: /mnt is a mounted filesystem, aborting"
    exit 1
fi

Partitioning

echo "LOG: Partitioning $DISK"
sudo parted $DISK -- mktable gpt
sudo parted $DISK -s -- mkpart ESP fat32 1MiB 512MiB
sudo parted $DISK -s -- mkpart primary btrfs 512MiB -12GiB
sudo parted $DISK -s -- mkpart primary linux-swap -12GiB 100%
sudo parted $DISK -s -- set 1 esp on

Making Filesystems

echo "LOG: Making filesystems"
echo "- Making fat32 filesystem on ${PART}1"
sudo mkfs.fat -F 32 -n boot "${PART}1"
echo "- Making btrfs filesystem on ${PART}2"
sudo mkfs.btrfs "${PART}2" -L "Infini-OPTIPLEX" -f
echo "- Making swap space on ${PART}3"
sudo mkswap -L swap "${PART}3"

Making Subvolumes

echo "LOG: Making subvolumes on ${PART}2"
sudo mount "${PART}2" /mnt
sudo btrfs subvolume create /mnt/root
sudo btrfs subvolume create /mnt/root/home
sudo mkdir -p /mnt/root/etc
sudo btrfs subvolume create /mnt/root/etc/nixos
sudo btrfs subvolume create /mnt/root/etc/nixos-private
sudo btrfs subvolume create /mnt/root/etc/ssh
sudo btrfs subvolume create /mnt/boot
sudo btrfs subvolume create /mnt/nix
sudo btrfs subvolume create /mnt/nix/store
sudo umount /mnt

Mounting Volumes

echo "LOG: Mounting tmpfs"
sudo mount -t tmpfs root /mnt

mntopts="autodefrag,noatime,compress=zstd:1"

echo "LOG: - Mounting persistent directories"
sudo mkdir -p /mnt/persist /mnt/nix /mnt/boot /mnt/etc/ssh
sudo mount -o subvol=root,$mntopts "${PART}2" /mnt/persist
sudo mount -o subvol=nix,$mntopts "${PART}2" /mnt/nix
sudo mount -o subvol=boot,$mntopts "${PART}2" /mnt/boot
sudo mount -o subvol=root/etc/ssh,$mntopts "${PART}2" /mnt/etc/ssh

echo "LOG: - - Mounting persistent subdirectories"
sudo mkdir -p /mnt/home
sudo mount --bind /mnt/persist/home /mnt/home

echo "LOG: - Mounting EFI System Partition"
sudo mkdir -p /mnt/boot/efi
sudo mount "${PART}1" /mnt/boot/efi

Installing

echo "LOG: Installing NixOS"
sudo nixos-install --flake /etc/nixos#Infini-OPTIPLEX --no-root-password

Extra (Install)

echo "LOG: Cloning configuration"
sudo chown -R infinidoge /mnt/persist/etc/nixos /mnt/persist/etc/nixos-private

git clone --no-hardlinks --progress ssh://git@github.com/infinidoge/universe.git /mnt/persist/etc/nixos
git clone --no-hardlinks --progress ssh://git@github.com/infinidoge/universe-private.git /mnt/persist/etc/nixos-private

Cleanup

echo "LOG: Unmounting all"
sudo umount -R /mnt

Setup Data Drive

Partitioning

echo "LOG: Partitioning $DISK for data storage"
sudo parted $DISK -- mktable gpt
sudo parted $DISK -s -- mkpart primary btrfs 0% 100%

Making Filesystems

echo "LOG: Making data filesystems"
echo "- Making btrfa filesystem on ${PART}1"
sudo mkfs.btrfs "${PART}1" --csum xxhash -L "data" -f

Making Subvolumes

echo "LOG: Making data subvolumes on ${PART}1"
sudo mount "${PART}1" /mnt
sudo btrfs subvolume create /mnt/root
sudo btrfs subvolume create /mnt/root/srv
sudo btrfs subvolume create /mnt/root/srv/jellyfin