wget https://github.com/prometheus/node_exporter/releases/download/v1.3.1/node_exporter-1.3.1.linux-amd64.tar.gz
tar -zxvf node_exporter-1.3.1.linux-amd64.tar.gz
cd node_exporter-1.3.1.linux-amd64
nohup /root/node_exporter-1.3.1.linux-amd64/node_exporter &>/var/log/node_exporter.log &
#加入开机自启动
vi /etc/rc.d/rc.local