centos7使用monit监控服务运行状态

Posted 2021-01-14

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安装：

yum  -y  install  epel-release
yum  -y  install  monit

配置：
vim /etc/monitrc

set daemon  30
set log syslog
set httpd port 2812 and
use address 172.20.10.11
allow 172.20.10.2
allow admin:monit
#with ssl {            # enable SSL/TLS and set path to server certificate
#    pemfile: /etc/ssl/certs/monit.pem
#}
include /etc/monit.d/*

配置监控服务：
a. 监控apache：
vim /etc/monit.d/apache

check  process  apache  with  pidfile  /etc/httpd/logs/httpd.pid
start  program  =  "/usr/bin/systemctl  start  httpd"
stop  program    =  "/usr/bin/systemctl  stop  httpd"

b. 监控mysql：
vim /etc/monit.d/mysql

check  process  mysql  with  pidfile  /usr/local/mysql/data/lee.pid
start  program  =  "/usr/bin/systemctl  start  mysqld"
stop  program    =  "/usr/bin/systemctl  stop  mysqld"

c. 监控ssh：
vim /etc/monit.d/ssh

check  process  ssh  with  pidfile  /run/sshd.pid
start  program  =  "/usr/bin/systemctl  start  sshd"
stop  program    =  "/usr/bin/systemctl  stop  sshd"

常用语法：
a. 检测配置文件语法：
```
monit  -t
```
b. 启动服务：
```
systemctl  start  monit
```
c. 停止服务：
```
systemctl  stop  monit
```
d. 重启服务：
```
systemctl  restart  monit
```
e. 查看服务运行状态：
```
systemctl  status  monit  -l
```
f. 查看错误日志：
```
tail  /var/log/monit.log
```
监控页面截图：

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