post_install() {
	getent group netflow &>/dev/null || groupadd -r -g 44 netflow >/dev/null
	getent passwd netflow &>/dev/null || useradd -r -u 44 -g netflow -d /var/lib/nfsen -s /bin/false -G http netflow >/dev/null
	usr/bin/systemd-tmpfiles --create nfsen.conf || true
}