Nagios的NSClient++插件配置

NSClinet++監(jiān)控Windows主機的nagios插件

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下載地址:https://nsclient.org/nscp/downloads

下載NSClient++-xxx-Win32

我們這里下載的是NSClient++-0.3.9-Win32.msi

安裝NSClient++

雙擊程序安裝，前面都點下一步，從下面可以看出來NSClient集成了很多的插件NRPE、NSCA等都支持

Nagios的NSClient++插件配置

添加允許主機

Nagios的NSClient++插件配置

下面沒什么需要注意的了，直接下一步,安裝完成就可以了。

Nagios的NSClient++插件配置

服務開啟以后可以看到服務端的端口開啟了，NSClient++使用的是12489端口，而且我們也看到nrpe的端口也開啟了

Nagios的NSClient++插件配置

1、基于check_nt

Windows端安裝目錄下NSC.ini配置文件的要啟用的模塊：

[modules]

CheckSystem.dll

CheckDisk.dll

FileLogger.dll

NSClientListener.dll

[settings]

allowed_hosts =#允許的主機

Password= #密碼

修改配置后要重啟服務：

nsclient++ /stop

nsclient++ /start

在nagios端使用如下命令測試：

check_nt -H <client ip> -p <port> -s <PASSWORD> -v <command> ...

# check_nt -H 172.16.100.66 -p 12489 -v CPULOAD -w 80 -c 90 -l5,80,90-s redhat

[root@node4 ~]# cd/usr/local/nagios/libexec/

[root@node4 libexec]#./check_nt -H 192.168.0.5 -p 12489 -v CPULOAD -w 80 -c 90 -l 5,80,90 -s redhat

CPU Load 0% (5 minaverage) | '5 min avgLoad'=0%;80;90;0;100

nagios端配置：

首先是命令配置：
[root@node4 ~]# cd/usr/local/nagios/etc/objects/
[root@node4 objects]#vim commands.cfg
define command{
        command_name    check_nt
        command_line    $USER1$/check_nt -H $HOSTADDRESS$ -p 12489-s redhat -v $ARG1$ $ARG2$
        }
然后是主機配置：
# vim/usr/local/nagios/etc/objects/windows.cfg
define host{
        use             windows-server  ; Inherit default values from a template
        host_name       winserver       ; The name we're giving to this host
        alias           My Windows Server       ; A longer name associated with the host
        address         192.168.0.5     ; IP address of the host
        }
###############################################################################
###############################################################################
#
# HOST GROUPDEFINITIONS
#
###############################################################################
###############################################################################
# Define a hostgroupfor Windows machines
# All hosts that usethe windows-server template will automatically be a member of this group
define hostgroup{
        hostgroup_name  windows-servers ; The name of the hostgroup
        alias           Windows Servers ; Long name of thegroup
        }
###############################################################################
###############################################################################
#
# SERVICE DEFINITIONS
#
###############################################################################
###############################################################################
# Create a servicefor monitoring the version of NSCLient++ that is installed
# Change thehost_name to match the name of the host you defined above
define service{
        use                     generic-service
        host_name               winserver
        service_description     NSClient++ Version
        check_command           check_nt!CLIENTVERSION
        }
# Create a servicefor monitoring the uptime of the server
# Change thehost_name to match the name of the host you defined above
define service{
        use                     generic-service
        host_name               winserver
        service_description     Uptime
        check_command           check_nt!UPTIME
        }
# Create a servicefor monitoring CPU load
# Change thehost_name to match the name of the host you defined above
define service{
        use                     generic-service
        host_name               winserver
        service_description     CPU Load
        check_command           check_nt!CPULOAD!-l 5,80,90
        }
# Create a servicefor monitoring memory usage
# Change thehost_name to match the name of the host you defined above
define service{
        use                     generic-service
        host_name               winserver
        service_description     Memory Usage
        check_command           check_nt!MEMUSE!-w 80 -c 90
        }
# Create a servicefor monitoring C:\ disk usage
# Change thehost_name to match the name of the host you defined above
define service{
        use                     generic-service
        host_name               winserver
        service_description     C:\ Drive Space
        check_command           check_nt!USEDDISKSPACE!-l c -w 80 -c90
        }
# Create a servicefor monitoring the W3SVC service
# Change thehost_name to match the name of the host you defined above
define service{
        use                     generic-service
        host_name               winserver
        service_description     W3SVC
        check_command           check_nt!SERVICESTATE!-d SHOWALL -lW3SVC
        }
# Create a servicefor monitoring the Explorer.exe process
# Change thehost_name to match the name of the host you defined above
define service{
        use                     generic-service
        host_name               winserver
        service_description     Explorer
        check_command           check_nt!PROCSTATE!-d SHOWALL -lExplorer.exe
        }
在nagios配置文件內(nèi)添加一條cfg
[root@node4 objects]# vim/usr/local/nagios/etc/nagios.cfg
cfg_file=/usr/local/nagios/etc/objects/windows.cfg
做完上述的操作以后重啟nagios服務端的nagios服務
[root@node4 objects]#service nagios restart
Running configurationcheck...done.
Stopping nagios: done.
Starting nagios: done.

然后在nagios的web管理界面上你就會發(fā)現(xiàn)一個新的主機

Nagios的NSClient++插件配置

而且服務里面也多出很多我們定義的服務

Nagios的NSClient++插件配置

密碼保護：

如果你在windows的機器上設置了密碼，你需要在commands.cfg配置文檔內(nèi)加上-s PASSWORD如下：

vi/usr/local/nagios/etc/objects/commands.cfg

define command{

command_name check_nt

command_line $USER1$/check_nt-H $HOSTADDRESS$ -p 12489-s PASSWORD -v $ARG1$$ARG2$

}

Save the file.

2、基于NRPE

Windows上NSClient++要啟用如下模塊：

[modules]

CheckSystem.dll

CheckDisk.dll

CheckExternalScripts.dll

FileLogger.dll

NRPEListener.dll

NRPE specific settingin NSClient++

use_ssl #使用ssl

allow_arguments #是否允許nagios服務端傳遞參數(shù)過來

allow_nasty_meta_chars #傳遞參數(shù)的時候是否可以包含一些&<>等字符

bind_to_address= #綁定在那個地址上，默認監(jiān)聽在0.0.0.0

allowed_hosts= #允許主機

check_nrpe語法：

check_nrpe ... -c<command> [-a <argument> <argument> <argument>]

check_nrpe的內(nèi)置命令：

·CheckAlwaysCRITICAL (check)

·CheckAlwaysOK (check)

·CheckAlwaysWARNING (check)

· CheckCPU(check)

·CheckCRITICAL (check)

·CheckCounter (check)

·CheckEventLog/CheckEventLog (check)

·CheckFile (check)

·CheckFileSize (check)

· CheckMem(check)

·CheckMultiple (check)

· CheckOK(check)

·CheckProcState (check)

·CheckServiceState (check)

·CheckTaskSched/CheckTaskSched (check)

·CheckUpTime (check)

·CheckVersion (check)

·CheckWARNING (check)

·CheckWMI/CheckWMI (check)

·CheckWMIValue (check)

用法如：

# check_nrpe ... -cCheckCPU -a warn=80 crit=90 time=20m time=10s time=4

Nagios端的配置：

1) Template

define host{

nametpl-windows-servers

usegeneric-host

check_period24x7

check_interval5

retry_interval1

max_check_attempts10

check_commandcheck-host-alive

notification_period24x7

notification_interval30

notification_optionsd,r

contact_groupsadmins

register0

}

2) 定義主機：

define host{

usetpl-windows-servers

host_namewindowshost

aliasMy First Windows Server

address172.16.100.66

}

3) 定義服務：

define service{

usegeneric-service

host_namewindowshost

service_descriptionCPU Load

check_commandcheck_nrpe!alias_cpu

}

define service{

usegeneric-service

host_namewindowshost

service_descriptionFree Space

check_commandcheck_nrpe!alias_disk

}

3、基于NSCA

[modules]

CheckSystem.dll

CheckDisk.dll

CheckExternalScripts.dll

CheckHelpers.dll

FileLogger.dll

NSCAAgent.dll

NSClient++配置

interval

encryption_method

password

nsca_host

修改配置后要重啟服務

1) 模板

define host{

nametpl-windows-servers ; Name of this template

usegeneric-host ; Inherit default values

check_period24x7

check_interval5

retry_interval1

max_check_attempts10

check_commandcheck-host-alive

notification_period24x7

notification_interval30

notification_optionsd,r

contact_groupsadmins

register0 ; DONT REGISTER THIS - ITS A TEMPLATE

}

2)主機配置

define host{

usetpl-windows-servers

host_namewindowshost

aliasMy First Windows Server

address172.16.100.66

active_checks_enabled0

passive_checks_enabled1

}

3)服務配置

define service{

usegeneric-service

host_namewindowshost

service_descriptionCPU Load

check_commandcheck_nrpe!alias_cpu

active_checks_enabled0

passive_checks_enabled1

}

define service{

usegeneric-service

host_namewindowshost

service_descriptionFree Space

check_commandcheck_nrpe!alias_disk

active_checks_enabled0

passive_checks_enabled1

}

文章名稱：Nagios的NSClient++插件配置
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