guest book: http://www.jemjabella.co.uk/scripts/bellabook/ arch安装lnmp https://www.linuxdashen.com/install-lemp-nginx-mariadb-php7-arch-linux-server https://wiki.archlinux.org/index.php/PHP_(%E7%AE%80%E4%BD%93%E4%B8%AD%E6%96%87)