vim /etc/rc.d/rc.local #修改此配置文件
chmod +x /etc/rc.d/rc.local #添加执行权限
vim /lib/systemd/system/httpd.service
apache 开机启动配置：
[Unit]
Description=apache2.4
After=network.target
[Service]
Type=forking
ExecStart=/usr/local/apache24/bin/apachectl start
ExecReload=/usr/local/apache24/bin/apachectl restart
ExecStop=/usr/local/apache24/bin/apachectl stop
PrivateTmp=true
[Install]
WantedBy=multi-user.target