进入到/lib/systemd/system/目录

	cd /lib/systemd/system/

创建nginx.service文件，并编辑

	vi nginx.service

内容：

	[Unit]
	Description=nginx service
	After=network.target 
   
	[Service] 
	Type=forking 
	ExecStart=/usr/local/nginx/sbin/nginx
	ExecReload=/usr/local/nginx/sbin/nginx -s reload
	ExecStop=/usr/local/nginx/sbin/nginx -s quit
	PrivateTmp=true 
   
	[Install] 
	WantedBy=multi-user.target

加入开机自启

	设置开机自启
	# systemctl enable nginx
	取消开机自启
	# systemctl disable nginx

服务的启动/停止/刷新配置文件/查看状态

	# systemctl start nginx.service　         启动
	# systemctl stop nginx.service　          停止
	# systemctl restart nginx.service　       重启
	# systemctl list-units --type=service     查看所有已启动的服务
	# systemctl status nginx.service          查看服务状态
	# systemctl enable nginx.service          设置开机自启
	# systemctl disable nginx.service         关闭开机自启