安装Prometheus和Grafana

概述(一) 安装prometheus install $ wget https://github.com/prometheus/prometheus/releases/download/v2.4.3/prometheus-2.4.3.linux-amd64.tar.gz $ tar zxvf prometheus-2.4.3.linux-amd64.tar.gz $ cd prometheus-2.4

(一) 安装prometheus install

$ wget https://github.com/prometheus/prometheus/releases/download/v2.4.3/prometheus-2.4.3.linux-amd64.tar.gz

$ tar zxvf prometheus-2.4.3.linux-amd64.tar.gz

$ cd prometheus-2.4.3.linux-amd64

如果需要添加新的job，在这个文件添加

$ vim prometheus.yml   

global:  scrape_interval:     15s  evaluation_interval: 15s  # scrape_timeout is set to the global default (10s).alerting:  alertmanagers:  - static_configs:    - targets:      # - alertmanager:9093rule_files:scrape_configs:  - job_name: ‘prometheus‘    # metrics_path defaults to ‘/metrics‘    # scheme defaults to ‘http‘.    static_configs:    - targets: [‘localhost:9090‘]  - job_name: ‘linux1‘    static_configs:      - targets: [‘192.xxx.xx.xx:9100‘]        labels:          instance: server1  - job_name: ‘linux2‘    static_configs:      - targets: [‘192.xxx.xx.xx:9100‘]        labels:          instance: server2

运行 start Prometheus
$ nohup ./prometheus &

改成systemd服务

$ cd ..$ sudo mv prometheus-2.4.3.linux-amd64 /usr/local/prometheus$ sudo groupadd prometheus$ sudo useradd -g prometheus -m -d /usr/local/prometheus -s /sbin/nologin prometheus$ sudo chown -R prometheus:prometheus /usr/local/prometheus$ sudo vim /etc/systemd/system/prometheus.service  # 写入如下内容[Unit]Description=prometheusAfter=network.target[Service]Type=simpleUser=prometheusExecStart=/usr/local/prometheus/prometheus --config.file=/usr/local/prometheus/prometheus.yml --storage.tsdb.path=/usr/local/prometheusRestart=on-failure[Install]WantedBy=multi-user.target

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Prometheus自带一个Web网站，默认端口为9090,http://ip:9090.可以查看表达式搜索结果、报警配置、prometheus配置,exporter状态等. 

(二) 安装配置Grafana

官方安装文档： https://grafana.com/grafana/download?platform=linux

http://docs.grafana.org/installation/

$ wget https://s3-us-west-2.amazonaws.com/grafana-releases/release/grafana_5.3.0_amd64.deb $ sudo dpkg -i grafana_5.3.0_amd64.deb $ sudo systemctl status grafana-server    #默认进入了运行的状态$ sudo systemctl enable grafana-server

需要开放3000端口的访问权限 https://blog.csdn.net/zbljz98/article/details/80464761

$ iptables -A input -p tcp --dport 3000 -j ACCEPT

我开始的时候就是没做这一步，导致无法在ip:3000端口访问

进入登录页面，首次访问的用户名是admin,  密码是 admin

首次登录之后会要求你更换密码

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