web服务器Apache

Apache web 服务器Ubuntu安装手册：

https://www.digitalocean.com/community/tutorials/how-to-install-the-apache-web-server-on-ubuntu-16-04

Apache web 服务器Centos 6安装手册：

https://www.linode.com/docs/web-servers/apache/apache-web-server-on-centos-6/