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wip new iso installer and onboarding instructions

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RingOfStorms (Joshua Bell) 2025-11-24 22:20:26 -06:00
parent 1927da563a
commit 60f94c752d
6 changed files with 1094 additions and 128 deletions
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61
readme.md
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@ -29,46 +29,30 @@
```bash
# Partition main drive with btrfs
lsblk
echo "Read the above output and determine what drive to install NixOS on"
read -p "Enter device name: " DEVICE
# tip: lsblk
export D=sda # or whatever drive we will be installing on
# Partitioning
echo "Creating partitions on $DEVICE..."
parted /dev/$DEVICE -- mklabel gpt # make GPT partition table
parted /dev/$DEVICE -- mkpart NIXROOT 2GB 100% # make root partition (2GB offset for boot)
parted /dev/$DEVICE -- mkpart ESP fat32 1MB 2GB # make boot partition, 1MB alignment offset
parted /dev/$DEVICE -- set 2 esp on # make boot partition bootable
echo "Creating partitions on $D..."
parted /dev/$D -- mklabel gpt # make GPT partition table
parted /dev/$D -- mkpart NIXROOT 2GB 100% # make root partition (2GB offset for boot)
parted /dev/$D -- mkpart ESP fat32 1MB 2GB # make boot partition, 1MB alignment offset
parted /dev/$D -- set 2 esp on # make boot partition bootable
ROOT=$DEVICE"1"
BOOT=$DEVICE"2"
# NOTE this is not bulletproof, check actual name and set these appropriately
export ROOT=$D"1"
export BOOT=$D"2"
# Encryption Luks
prompt="Use encryption on root partition?" var=ENC && read -r -p "$prompt (y/n) [n]: " resp && resp=$(echo "$resp" | tr '[:upper:]' '[:lower:]'); [[ "$resp" == "y" || "$resp" == "yes" || "$resp" == "1" ]] && export $var=true || export $var=false
if [ $ENC = true ]; then
while true; do
echo "Setting up encrypted root, you will want to save the passphrase somewhere!"
cryptsetup luksFormat /dev/$ROOT
if [ $? -eq 0 ]; then
echo "Encryption setup successful"
cryptsetup luksOpen /dev/$ROOT cryptroot
break
elif [ $? -eq 2 ]; then
echo "Missmatched passphrase, try again or select NO to cancel encryption"
else
prompt="Failed to setup encrypted root, continue without encryption?" var=CON && read -r -p "$prompt (y/n) [n]: " resp && resp=$(echo "$resp" | tr '[:upper:]' '[:lower:]'); [[ "$resp" == "y" || "$resp" == "yes" || "$resp" == "1" ]] && export $var=true || export $var=false
if [ $CON = true ]; then
ENC=false
break
fi
fi
done
fi
# Anything else to partition before moving on?
# Encryption Luks (optional)
export ENC=true
cryptsetup luksFormat /dev/$ROOT
cryptsetup luksOpen /dev/$ROOT cryptroot
if [ $ENC = true ]; then ROOTP="/dev/mapper/cryptroot" ; else ROOTP="/dev/$ROOT"; fi
# Formatting
echo "Formatting drives..."
mkfs.fat -F 32 -n NIXBOOT /dev/$BOOT
mkfs.btrfs -fL NIXROOT $ROOTP
@ -79,15 +63,18 @@ if [ $SUBV = true ]; then
btrfs subvolume create /mnt/root
btrfs subvolume create /mnt/nix
btrfs subvolume create /mnt/snapshots
btrfs subvolume create /mnt/swap
umount /mnt
fi
if [ $SUBV = true ]; then
mount $ROOTP /mnt
mount -o subvol=root,compress=zstd,noatime $ROOTP /mnt
mkdir -p /mnt/{nix,boot,.snapshots}
mkdir -p /mnt/{nix,boot,.snapshots,.swap}
chattr +C /mnt/.swap
mount -o subvol=nix,compress=zstd,noatime $ROOTP /mnt/nix
mount -o subvol=snapshots,compress=zstd,noatime $ROOTP /mnt/.snapshots
mount -o subvol=swap,noatime $ROOTP /mnt/.swap
btrfs property set /mnt/.swap compression none
mount -o umask=077 /dev/disk/by-label/NIXBOOT /mnt/boot
else
mount -o compress=zstd,noatime $ROOTP /mnt
@ -104,7 +91,11 @@ if [ $SWP = true ]; then
read -r -p "Custom size in GB? [$SIZE]" SIZE_OVERRIDE
SIZE="${SIZE_OVERRIDE:-$SIZE}"
SWAP_DEVICE=' swapDevices = [ { device = "/.swapfile"; size = $SIZE * 1024; } ];'
if [ $SUBV = true ]; then
SWAP_DEVICE=' swapDevices = [ { device = "/.swap/file"; size = '$SIZE' * 1024; } ];'
else
SWAP_DEVICE=' swapDevices = [ { device = "/.swapfile"; size = '$SIZE' * 1024; } ];'
fi
sed -i "/swapDevices/c\\$SWAP_DEVICE" /mnt/etc/nixos/hardware-configuration.nix
echo "Added swap device to hardware configuration"
fi