parted /dev/sda mklabel msdos mkpart primary ext4 1MiB 100%

mkfs.ext4 /dev/sda1

mount /dev/sda1 /mnt

pacstrap /mnt base linux-libre syslinux

genfstab /mnt >> /mnt/etc/fstab

syslinux-install_update -iamc /mnt

sed -i 's/sda3/sda1/' /mnt/boot/syslinux/syslinux.cfg