注册nginx的systemctl服务
方便管理和使用，，，
vi /lib/systemd/system/nginx.service
添加以下代码
[Unit]
Description=nginx
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
常用命令
systemctl start nginx.service //启动nginx服务
systemctl stop nginx.service //关闭nginx服务
systemctl restart nginx.service //重启nginx服务
systemctl reload snginx.service //重新加载nginx配置文件
systemctl status nginx.service //查看nginx服务状态