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What is it? null linux is a rebuild of splitlinux with modern features "Split Linux is a general operating system optimized for safely navigating hostile environments like the Internet and physical check points." !Pasted image 20230714181622.png Instead of logical volumes we use BTRFS !Pasted image 20230714182112.png Instead of Xorg we will be using Wayland as instead of DWM we will be using Hyprland

we will also be using musl only

first we will wipe the nvme namespaces with 0xffffffff

nvme format -s1 /dev/nvme0n1

then create the UEFI boot partion:

parted /dev/nvme0n1 mklabel gpt
parted /dev/nvme0n1 mkpart ESP fat32 1MiB 513MiB name boot
parted /dev/nvme0n1 set 1 esp on
parted /dev/nvme0n1 set 1 boot on
mkfs.fat -F32 /dev/nvme0n1p1

This creates a 512 MiB EFI System Partition (ESP) named boot at the beginning of the NVMe drive and formats it with the FAT32 filesystem. Note: its best to keep boot on a seperate drive but for this alpha instructions we will be containing it on a separate partition next create a the luks partition:

parted /dev/nvme0n1 mkpart primary 513MiB 100%
parted /dev/nvme0n1 name 2 root

This creates a partition for the filesystem named root now lets encrypt it:

cryptsetup luksFormat --iter-time=5000 --hash=sha512 --key-size=512 --cipher=aes-xts-plain64 /dev/nvme0n1p2
cryptsetup open /dev/nvme0n1p2 luks

*Note: make sure to backup your luksheader to an encrypted usb drive aswell: *

Note: I suggest a password with at least 16 characters, preferably more

cryptsetup luksOpen /dev/sda4 usb 
mount /dev/mapper/usb /media/usb 
cryptsetup luksHeaderBackup /dev/nvme0n1p2 --header-backup-file /media/usb/luksheader.bak
sync
umount /media/usb

note to self: add gpg encryption aswell and check if --allow-discards for trim is good on nvme0n1p1

create the btrfs filesystem:

mkfs.btrfs /dev/mapper/luks

this creates a btrfs filesystem on the encrypted patrition

Mount the Btrfs filesystem and set up subvolumes:

mkdir /mnt/null
mount /dev/mapper/luks /mnt/null
btrfs subvolume create /mnt/null/@
btrfs subvolume create /mnt/null/@home
btrfs subvolume create /mnt/null/@snapshots
umount /mnt/null

Note: setup so /var/log and /var/log/audit are on seperate partitions aswell as /tmp and /var/tmp

This creates three Btrfs subvolumes for the root filesystem, home directory, and snapshots.

mount -t btrfs -o noatime,relatime,compress=lzo,ssd,space_cache=v2,subvol=@ /dev/mapper/luks /mnt/null

Note: we unmount /mnt/null so we can use the btrfs subvolume @

cd /mnt/null
wget https://repo-default.voidlinux.org/live/current/void-x86_64-musl-ROOTFS-20230628.tar.xz
tar xvf void-<...>-ROOTFS.tar.xz -C /mnt/null

https://gist.github.com/gbrlsnchs/9c9dc55cd0beb26e141ee3ea59f26e21