Arch Grub Recovery - custom for my partitions

grub.txt

# Open encyryped filesystem
cryptsetup open --type luks /dev/nbme0n1p6 vg0

# Mount the filesytem
mount /dev/mapper/vg0-root /mnt # /mnt is the installed system
swapon /dev/mapper/vg0-swap # Not needed but a good thing to test
mkdir /mnt/boot
mount /dev/nvme0n1p5 /mnt/boot
mkdir /mnt/boot/efi
mount /dev/nvme0n1p1 /mnt/boot/efi

# 'install' fstab
genfstab -pU /mnt >> /mnt/etc/fstab

# Enter the system
arch-chroot /mnt /bin/bash

# Regenerate initrd image
mkinitcpio -p linux

# Setup grub
grub-install

# then run:
grub-mkconfig -o /boot/grub/grub.cfg

# Exit new system and go into the cd shell
exit

# Unmount all partitions
umount -R /mnt

# Reboot into the new system, don't forget to remove the cd/usb
reboot