Arch Linux install script to generate output suitable for addition to an fstab file. More information: https://man.archlinux.org/man/extra/arch-install-scripts/genfstab.8.
genfstab -L {{path/to/mount_point}}
genfstab -U {{path/to/mount_point}}
genfstab -U {{/mnt}} >> {{/mnt/etc/fstab}}
genfstab -U {{path/to/mount_point}} | sudo tee -a /etc/fstab