1
2
3
4
5
6

docker pull jasonrivers/nagios
docker run --rm --name nagios4 -p 0.0.0.0:8080:80 jasonrivers/nagios:latest

## 我们需要配置一个用户，我们让docker容器中的nagios配置文件跟虚拟机磁盘建立联系
mkdir -p /opt/nagios4/etc
docker cp nagios4:/opt/nagios/etc /opt/nagios4/

 1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12

## ubuntu
sudo apt install apache2

## CentOS
sudo yum install httpd

## 生成密码
sudo htpasswd -c /opt/nagios4/etc/htpasswd.users nagiosadmin

New password:
Re-type new password:
Adding password for user nagiosadmin

1

docker run -d --name nagios4 -p 0.0.0.0:8080:80 -v /opt/nagios4/etc:/opt/nagios/etc jasonrivers/nagios:latest

 1
 2
 3
 4
 5
 6
 7
 8
 9
10
11

mkdir -p /opt/nagios4
sudo docker cp nagios4:/opt/nagios/etc /opt/nagios4

vim /opt/nagios4/etc/nagios.cfg

#cfg_dir=/opt/nagios/etc/servers
#cfg_dir=/opt/nagios/etc/printers
#cfg_dir=/opt/nagios/etc/switches
#cfg_dir=/opt/nagios/etc/routers
cfg_dir=/opt/nagios/etc/colo-machines
cfg_dir=/opt/nagios/etc/research-machines

 1
 2
 3
 4
 5
 6
 7
 8
 9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47

# 中间的内容块是用于设置设备信息的
define host {
    # use 关键字表示使用的模版，模版将在后续讲解，此处使用的是 linux-server 模版
    use                             linux-server
    # host_name 关键字表示机器的名字，也是在 Web 界面中显示的名字
    host_name                       M2
    # alias 表示机器的别名，一般用作机器别名的描述
    alias                           M2@WuyaCapital
    # address 设置该机器的 IP 地址，以便与数据的获取与被动监控的请求
    address                         192.168.1.162
    # 最大的尝试次数，也就是在某服务监控出错再次运行监控命令获取数据的次数
    max_check_attempts              3
    # 检测的时间段
    check_period                    24x7
    # 发送消息提醒的时间间隔
    notification_interval           30
    # 发送消息提醒的时间段
    notification_period             24x7
}

define service{
    use                             local-service,graphed-service         ; Name of service template to use
    host_name                       M2
    service_description             Current Users
    check_command                   check_nrpe!check_users
    check_interval                  1
    retry_interval                  1
    check_period                    24x7
    notification_interval           1
    notification_period             24x7
    notifications_enabled           1
    register                        1
}

define service{
    use                             local-service,graphed-service         ; Name of service template to use
    host_name                       M2
    service_description             Total Procs
    check_command                   check_nrpe!check_total_procs
    check_interval                  1
    retry_interval                  1
    check_period                    24x7
    notification_interval           1
    notification_period             24x7
    notifications_enabled           1
    register                        1
}

1
2
3
4
5
6
7

vim /opt/nagios4/etc/objects/command.cfg

# 'check_NRPE' command definition
define command{
        command_name check_nrpe
        command_line $USER1$/check_nrpe -H $HOSTADDRESS$ -c $ARG1$
        }

1
2
3
4
5
6
7
8
9

vim /etc/nagios/nrpe.cfg

command[check_users]=/usr/local/nagios/libexec/check_users -w 5 -c 10
command[check_load]=/usr/local/nagios/libexec/check_load -r -w .15,.10,.05 -c .30,.25,.20
command[check_hda1]=/usr/local/nagios/libexec/check_disk -w 20% -c 10% -p /dev/hda1
command[check_zombie_procs]=/usr/local/nagios/libexec/check_procs -w 5 -c 10 -s Z
command[check_total_procs]=/usr/local/nagios/libexec/check_procs -w 150 -c 200

allowed_hosts=127.0.0.1,192.168.1.82

1
2

systemctl enable nrpe
systemctl start nrpe

1
2
3
4

## 服务器测试
/opt/nagios/libexec/check_nrpe  -H 192.168.1.162 -p 5666 -c check_total_procs

PROCS CRITICAL: 605 processes | procs=605;150;200;0;