wget https://github.com/prometheus/node_exporter/releases/download/v0.17.0/node_exporter-0.17.0.linux-amd64.tar.gz
mkdir /var/node_exporter
tar xf node_exporter-0.17.0.linux-amd64.tar.gz -C /var/node_exporter/
rm node_exporter-0.17.0.linux-amd64.tar.gz
tee /etc/supervisor/conf.d/node_exporter.conf <<-'EOF'
[program:node_exporter]
directory=/var/node_exporter/node_exporter-0.17.0.linux-amd64
command=/var/node_exporter/node_exporter-0.17.0.linux-amd64/node_exporter
user=root
stdeer_logfile=/var/log/supervisor/node_explorer_eer.log
stdout_logfile=/var/log/supervisor/node_explorer_out.log
redirect_stderr=true
EOF
echo update node_explorter | supervisorctl
1.安装前需要确认9100有无被占用。
2.安装完毕后需要开放9100端口，并修改Prometheus配置文件才能展示结果