1、从官网下载最新版本
官网地址:https://prometheus.io/download/访问界面如下,我们需要注意的是,要选择带有“LTS”样式的版本,这是稳定版本,推荐。
2、上传解压
[root@loaclhost home]# ls
prometheus-2.45.5.linux-amd64.tar.gz
[root@loaclhost home]# tar xf prometheus-2.45.5.linux-amd64.tar.gz
[root@loaclhost home]# ls
prometheus-2.45.5.linux-amd64 prometheus-2.45.5.linux-amd64.tar.gz
[root@loaclhost home]# mv prometheus-2.45.5.linux-amd64 prometheus
[root@loaclhost home]# ls
prometheus prometheus-2.45.5.linux-amd64.tar.gz
[root@loaclhost home]# cd prometheus
[root@loaclhost prometheus]# ll
total 229792
drwxr-xr-x 2 1001 127 4096 May 2 17:42 console_libraries
drwxr-xr-x 2 1001 127 4096 May 2 17:42 consoles
-rw-r--r-- 1 1001 127 11357 May 2 17:42 LICENSE
-rw-r--r-- 1 1001 127 3773 May 2 17:42 NOTICE
-rwxr-xr-x 1 1001 127 121066245 May 2 17:00 prometheus
-rw-r--r-- 1 1001 127 934 May 2 17:42 prometheus.yml
-rwxr-xr-x 1 1001 127 114206977 May 2 17:01 promtool
[root@loaclhost prometheus]#
3、启动prometheus
[root@loaclhost prometheus]# nohup ./prometheus &
[1] 25427
[root@loaclhost prometheus]# nohup: ignoring input and appending output to ‘nohup.out’
[root@loaclhost prometheus]#
这是最简单的启动方式,直接使用nohup命令就启动了,但是线上不推荐使用这种方式;
查看进程,是否启动成功了;
[root@loaclhost prometheus]# ps -ef | grep prometheus
root 25427 16342 0 14:41 pts/0 00:00:00 ./prometheus
root 25481 16342 0 14:42 pts/0 00:00:00 grep --color=auto prometheus
[root@loaclhost prometheus]# netstat -tunlp | grep 25427
tcp6 0 0 :::9090 :::* LISTEN 25427/./prometheus
[root@loaclhost prometheus]#
可以看到进程存在,且端口号存在,那么我们在“防火墙”关闭的情况下,使用浏览器访问一下看看结果。
浏览器访问地址:http://10.1.5.56:9090/可以看到访问到了,但是有一个warning,提示我们prometheus服务所在的服务器时间存在偏差,那么我们解决一下子;
时间同步
[root@loaclhost prometheus]# yum -y install ntp ntpdate
[root@loaclhost prometheus]# ntpdate cn.pool.ntp.org
3 Jun 14:32:11 ntpdate[25705]: step time server 84.16.73.33 offset -826.640694 sec
[root@loaclhost prometheus]#
然后我们再次浏览器刷新一下访问界面,就会发现这个warning提示消失了。关闭程序:
[root@loaclhost home]# ps -ef | grep prometheus
root 18614 16771 0 11:07 pts/0 00:00:00 grep --color=auto prometheus
root 25427 1 0 Jun03 ? 00:01:36 ./prometheus
[root@loaclhost home]# kill -9 25427
[root@loaclhost home]# ps -ef | grep prometheus
root 18620 16771 0 11:07 pts/0 00:00:00 grep --color=auto prometheus
[root@loaclhost home]#
4、使用systemctl命令来控制prometheus
4.1 文件编写
首先我们应该知道systemctl默认service的目录在哪儿,如下:
/usr/lib/systemd/system
所以我们应该创建一个文件,在这个目录下,如下:
[root@loaclhost home]# vim prometheus.service
[Unit]
Description=Prometheus service
After=network-online.target
[Service]
Type=simple
ExecStart=/usr/local/prometheus/prometheus --config.file=/usr/local/prometheus/prometheus.yml --log.level=warn --storage.tsdb.path=/usr/local/prometheus/data/
Restart=on-failure
ExecStop=/usr/bin/kill -9 MAINPID
[Install]
WantedBy=multi-user.target
[root@loaclhost home]# mv prometheus.service /usr/lib/systemd/system/
[root@loaclhost home]# ls /usr/lib/systemd/system/prometheus.service
/usr/lib/systemd/system/prometheus.service
[root@loaclhost home]# systemctl daemon-reload
可以看到上面我们指定的目录是/usr/loca/prometheus,所以我们首先移动一下目录,然后重新加载一下。
[root@loaclhost home]# pwd
/home
[root@loaclhost home]# mv prometheus /usr/local/
[root@loaclhost home]# cd /usr/local/prometheus/
[root@loaclhost prometheus]# ls
console_libraries consoles data LICENSE nohup.out NOTICE prometheus prometheus.yml promtool
[root@loaclhost prometheus]# systemctl daemon-reload
而后我们尝试用systemctl命令来控制prometheus,验证一下。
4.2 systemctl控制
查看状态:
[root@loaclhost home]# systemctl status prometheus
● prometheus.service - Prometheus service
Loaded: loaded (/usr/lib/systemd/system/prometheus.service; disabled; vendor preset: disabled)
Active: inactive (dead)
[root@loaclhost home]#
启动:
[root@loaclhost home]# systemctl daemon-reload
[root@loaclhost home]# systemctl start prometheus
[root@loaclhost home]#
[root@loaclhost home]# systemctl status prometheus
● prometheus.service - Prometheus service
Loaded: loaded (/usr/lib/systemd/system/prometheus.service; disabled; vendor preset: disabled)
Active: active (running) since Tue 2024-06-04 11:17:11 CST; 3s ago
Main PID: 19169 (prometheus)
Tasks: 9
Memory: 29.5M
CGroup: /system.slice/prometheus.service
└─19169 /usr/local/prometheus/prometheus --config.file=/usr/local/prometheus/prometheus.yml --log.level=warn --storage.tsdb.path=/usr/local/prometheus/data/
Jun 04 11:17:11 loaclhost systemd[1]: Started Prometheus service.
Jun 04 11:17:11 loaclhost prometheus[19169]: ts=2024-06-04T03:17:11.780Z caller=dir_locker.go:77 level=warn component=tsdb msg="A lockfile from a previous exec.../data/lock
Hint: Some lines were ellipsized, use -l to show in full.
[root@loaclhost home]#
页面访问验证:停止:
[root@loaclhost home]# systemctl stop prometheus
[root@loaclhost home]# systemctl status prometheus
● prometheus.service - Prometheus service
Loaded: loaded (/usr/lib/systemd/system/prometheus.service; disabled; vendor preset: disabled)
Active: failed (Result: exit-code) since Tue 2024-06-04 11:18:35 CST; 6s ago
Process: 19244 ExecStop=/usr/bin/kill -9 MAINPID (code=exited, status=1/FAILURE)
Process: 19169 ExecStart=/usr/local/prometheus/prometheus --config.file=/usr/local/prometheus/prometheus.yml --log.level=warn --storage.tsdb.path=/usr/local/prometheus/data/ (code=exited, status=0/SUCCESS)
Main PID: 19169 (code=exited, status=0/SUCCESS)
Jun 04 11:17:11 loaclhost systemd[1]: Started Prometheus service.
Jun 04 11:17:11 loaclhost prometheus[19169]: ts=2024-06-04T03:17:11.780Z caller=dir_locker.go:77 level=warn component=tsdb msg="A lockfile from a previous exec.../data/lock
Jun 04 11:18:35 loaclhost systemd[1]: Stopping Prometheus service...
Jun 04 11:18:35 loaclhost kill[19244]: kill: cannot find process "MAINPID"
Jun 04 11:18:35 loaclhost systemd[1]: prometheus.service: control process exited, code=exited status=1
Jun 04 11:18:35 loaclhost prometheus[19169]: ts=2024-06-04T03:18:35.137Z caller=main.go:854 level=warn msg="Received SIGTERM, exiting gracefully..."
Jun 04 11:18:35 loaclhost systemd[1]: Stopped Prometheus service.
Jun 04 11:18:35 loaclhost systemd[1]: Unit prometheus.service entered failed state.
Jun 04 11:18:35 loaclhost systemd[1]: prometheus.service failed.
Hint: Some lines were ellipsized, use -l to show in full.
[root@loaclhost home]#
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