yum install -y nload iftop vim sysstat iostat nmon nmap lrzsz tumx htop psmisc net-tools.x86_64 wget zip unzip sysstat iotop dstat gcc lsof
#!/bin/bash
#
groupadd prometheus
useradd -g prometheus -m -d /opt/prometheus/ -s /sbin/nologin prometheus
tar zxf node_exporter-1.0.0-rc.0.linux-amd64.tar.gz
mv node_exporter-1.0.0-rc.0.linux-amd64 /usr/local/node_exporter
chown -R prometheus:prometheus /usr/local/node_exporter
touch /usr/lib/systemd/system/node_exporter.service
chown prometheus:prometheus /usr/lib/systemd/system/node_exporter.service
cat >>/usr/lib/systemd/system/node_exporter.service<<EOF
[Unit]
Description=node_exporter
After=network.target
[Service]
Type=simple
User=prometheus
ExecStart=/usr/local/node_exporter/node_exporter
Restart=on-failure
[Install]
WantedBy=multi-user.target
EOF
systemctl daemon-reload
systemctl enable node_exporter.service
systemctl start node_exporter
iptables -I INPUT -p tcp -s xxx.xxx.xxx.xxx -j ACCEPT
/etc/init.d/iptables save