centos7安装Promethus及Node Exporter

grafana 安装

 

下载promethus包或上传包至服务器

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#下载、解压 wget https://github.com/prometheus/prometheus/releases/download/v2.13.0/prometheus-2.13.0.linux-amd64.tar.gz tar -xf prometheus-2.13.0.linux-amd64.tar.gz mv prometheus-2.13.0.linux-amd64 prometheus mv prometheus  /usr/local/

 

修改配置文件

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# 全局配置 global:   scrape_interval:     15s # 设置抓取间隔，默认为1分钟   evaluation_interval: 15s #估算规则的默认周期，每15秒计算一次规则。默认1分钟   # scrape_timeout  #默认抓取超时，默认为10s   # Alertmanager相关配置 alerting:   alertmanagers:   - static_configs:     - targets:       # - alertmanager:9093   # 规则文件列表，使用'evaluation_interval' 参数去抓取 rule_files:   # - "first_rules.yml"   # - "second_rules.yml"   #  抓取配置列表 scrape_configs:   - job_name: 'prometheus'     static_configs:     - targets: ['localhost:9090']

创建Systemd服务启动prometheus

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1	vim /etc/systemd/system/prometheus.service

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[Unit] Description=Prometheus Documentation=https://prometheus.io/ After=network.target [Service] Type=simple User=root ExecStart=/usr/local/prometheus/prometheus --config.file=/usr/local/prometheus/prometheus.yml --storage.tsdb.path=/data/prometheus Restart=on-failure [Install] WantedBy=multi-user.target

　开机启动及相关命令

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加入开机启动 systemctl enable prometheus 启动及查看状态 systemctl start prometheus systemctl status prometheus

使用Node Exporter采集主机运行数据

下载安装及启动

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wget https://github.com/prometheus/node_exporter/releases/download/v1.3.1/node_exporter-1.3.1.linux-amd64.tar.gz tar -xzvf node_exporter-1.3.1.linux-amd64.tar.gz #改名 mv node_exporter-1.3.1.linux-amd64  node-exporter<br><br>mv node_exporter /usr/local/ <br>启动<em>cd /usr/local/node_exporter<br></em>nohup /usr/local/prometheus_exporter/node_exporter/node_exporter >/dev/null 2>&1 &

加入开机启动

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在 /etc/rc.local 加入上面的启动命令即可 ##node exporter nohup /usr/local/prometheus_exporter/node_exporter/node_exporter >/dev/null 2>&1 & 验证是否启动成功 netstat -npl|grep 9100

　　

配置Prmethus采集node_exporter机器数据

配置promethus配置文件，增加相应采集机器内容

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- job_name: "OCR"     static_configs:       - targets: ["172.16.1.57:9100"]     - job_name: "172.16.1.61"     static_configs:       - targets: ["172.16.1.61:9100"]

配置好后，重新加载配置及启动promethus

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systemctl daemon-reload  systemctl stop prometheus.service systemctl start prometheus.service systemctl status prometheus.service

　　

 至此，promethus及node_exporter均已安装完成并已经运行，