linux中Nagios怎么安裝-創(chuàng)新互聯(lián)

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一、Nagios服務(wù)端安裝

1、安裝所需依賴關(guān)系包

2、添加Nagios所需用戶及組

3、編譯安裝Nagios及創(chuàng)建登陸Nagios WEB程序用戶

4、Nagios-plugin(插件)

5、配置服務(wù)自啟動(dòng)

二、基于NRPE配置Nagios監(jiān)控Win主機(jī)

  1、被監(jiān)控端

      安裝：NSClient++-0.3.9-x64

  2、監(jiān)控端

      1.測(cè)試與被監(jiān)控端連通性

      2.監(jiān)控端定義命令、定義主機(jī)、定義服務(wù)

      3.將定義好的模板加入到nagios.cfg文件中

      4.重啟服務(wù)

三、基于NRPE監(jiān)控Linux主機(jī)

  1、被監(jiān)控端：

      1.添加用戶

     2.安裝插件nagios-plugins-1.4.15

      3.安裝NRPE

      4.配置NRPE配置文件

           #vi /usr/local/nagios/etc/nrpe.cfg

     5.定義nrpe啟動(dòng)腳本且增加權(quán)限

     6.添加自啟動(dòng)

     7.啟動(dòng)服務(wù)

  2、配置監(jiān)控端：

     1.安裝NRPE

        安裝完成后，生成check_nrpe，使用此插件進(jìn)行測(cè)試被監(jiān)控主機(jī)

     2.定義命令

     3.定義主機(jī)和服務(wù)

     4.將定義好的linhost.cfg配置文件的路徑添加至/usr/localhost/etc/nagios.cfg中

     5.測(cè)試配置文件  /usr/local/nagios/bin/nagios -v /usr/local/nagios/etc/nagios.cfg

     6.重啟服務(wù)

     7.網(wǎng)頁(yè)檢查hosts監(jiān)控狀況

******另關(guān)于基于NRPE監(jiān)控windows主機(jī),另行查詢網(wǎng)上資料******

一、安裝配置Nagios

1、解決安裝Nagios的依賴關(guān)系：

# yum -y install httpd gcc glibc glibc-common gd gd-devel php php-mysql mysql mysql-devel mysql-server

2、添加nagios運(yùn)行所需要的用戶和組：

# groupadd nagcmd

# useradd -G nagcmd nagios

# passwd nagios

# usermod -a -G nagcmd apache

3、編譯安裝nagios：

# tar zxf nagios-3.3.1.tar.gz

# cd nagios-3.3.1

# ./configure --with-command-group=nagcmd --enable-event-broker

# make all

# make install

# make install-init

# make install-commandmode

# make install-config

# vi /usr/local/nagios/etc/objects/contacts.cfg

emailnagios@localhost      #這個(gè)是默認(rèn)設(shè)置

# make install-webconf

# htpasswd -c /usr/local/nagios/etc/htpasswd.users nagiosadmin

# service httpd restart

4、編譯、安裝nagios-plugins

# tar zxf nagios-plugins-1.4.15.tar.gz

# cd nagios-plugins-1.4.15

# ./configure --with-nagios-user=nagios --with-nagios-group=nagios

# make

# make install

5、配置并啟動(dòng)Nagios

 #vi /usr/local/nagios/etc/nagios.cfg

# chkconfig --add nagios

# chkconfig nagios on

# /usr/local/nagios/bin/nagios -v /usr/local/nagios/etc/nagios.cfg

# service nagios start

6、配置selinux

#getenforce

#setenforce 0

7、通過web界面查看nagios：

http://your_nagios_IP/nagios

登錄時(shí)需要指定前面設(shè)定的web認(rèn)證帳號(hào)和密碼。

二、配置文件

Nagios的主配置文件

 /usr/local/nagios/etc/nagios.cfg

Nagios模板配置目錄

/usr/local/nagios/etc/objects

調(diào)用check命令目錄/usr/local/nagios/libexec

三、基于NSClinet++  監(jiān)控遠(yuǎn)程Win主機(jī)

1、安裝配置被監(jiān)控端

  安裝NSClient++-0.3.9-x64

2、進(jìn)行測(cè)試是否連通

#cd /usr/local/nagios/libexec

#./check_nt -H 192.168.1.119 -v UPTIME -p 12489

如有密碼則：#./check_nt -H 192.168.1.119 -v UPTIME -p 12489 -s luoxj,123

3、監(jiān)控端進(jìn)行配置

&&&定義commands.cfg-------------------定義命令

 #cd /usr/local/nagios/etc/objects/

 #vi commands.cfg

define command{

    command_name   check_nt

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

    }

&&&定義主機(jī)及服務(wù)

#vi windows.cfg

define host{

    use       windows-server

    host_name    winhost

    alias      My Windows Host

    address     192.168.1.119

    }

define service{    use           generic-service    host_name        winhost    service_description   NSClient++ Version    check_command      check_nt!CLIENTVERSION    }定義服務(wù)可根據(jù)實(shí)際情況進(jìn)行變更名稱可使用vim中替換進(jìn)行：.,$s@winserver@winhost@g

&&&啟用定義的文件，增加定義文件路徑

#vi /usr/local/nagios/etc/nagios.cfg

cfg_file=/usr/local/nagios/etc/objects/windows.cfg

&&&進(jìn)行測(cè)試，以確定配置文件沒有問題

# /usr/local/nagios/bin/nagios -v /usr/local/nagios/etc/nagios.cfg -d

#service nagios restart

四、基于NRPE監(jiān)控遠(yuǎn)程Linux主機(jī)

1、安裝配置被監(jiān)控端

   1）先添加nagios用戶

   # useradd -s /sbin/nologin nagios

   2）NRPE依賴于nagios-plugins，因此，需要先安裝之

   # tar zxf nagios-plugins-1.4.15.tar.gz

   # cd nagios-plugins-1.4.15

   # ./configure --with-nagios-user=nagios --with-nagios-group=nagios

   # make all

   # make instal

   3）安裝NRPE

   # tar -zxvf nrpe-2.12.tar.gz

   # cd nrpe-2.12.tar.gz

   # ./configure --with-nrpe-user=nagios \

   --with-nrpe-group=nagios \

   --with-nagios-user=nagios \

   --with-nagios-group=nagios \

   --enable-command-args \

   --enable-ssl

   # make all

   # make install-plugin

   # make install-daemon

   # make install-daemon-config

   4）配置NRPE

   # vim /usr/local/nagios/etc/nrpe.conf

   log_facility=daemon

   pid_file=/var/run/nrpe.pid

   server_address=172.16.100.11

   server_port=5666

   nrpe_user=nagios

   nrpe_group=nagios

   allowed_hosts=172.16.100.1

   command_timeout=60

   connection_timeout=300

   debug=0

  &&&&&&&&定義監(jiān)控對(duì)象命令&&&&&&&&&

   command[check_users]=/usr/local/nagios/libexec/check_users -w 5 -c 10

   command[check_load]=/usr/local/nagios/libexec/check_load -w 15,10,5 -c 30,25,20

   command[check_sda1]=/usr/local/nagios/libexec/check_disk -w 20% -c 10% -p /dev/sda1

   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

   5）啟動(dòng)NRPE

   # /usr/local/nagios/bin/nrpe -c /usr/local/nagios/etc/nrpe.cfg –d

   為了便于NRPE服務(wù)的啟動(dòng)，可以將如下內(nèi)容定義為/etc/init.d/nrped腳本：

  #vi /etc/init.d/nrped

   #!/bin/bash

   # chkconfig: 2345 88 12

   # description: NRPE DAEMON

NRPE=/usr/local/nagios/bin/nrpe

NRPECONF=/usr/local/nagios/etc/nrpe.cfg

case "$1" in

       start)

              echo -n "Starting NRPE daemon..."

              $NRPE -c $NRPECONF -d

              echo " done."

              ;;

       stop)

              echo -n "Stopping NRPE daemon..."

              pkill -u nagios nrpe

              echo " done."

       ;;

       restart)

              $0 stop

              sleep 2

              $0 start

              ;;

       *)

              echo "Usage: $0 start|stop|restart"

              ;;

       esac

exit 0

  #chmod +x /etc/init.d/nrped

  #service nrped start

   #netstat -tnlp  ##檢查nrpe端口5666是否啟用

      tcp     0    0 0.0.0.0:5666         0.0.0.0:*          LISTEN    17282/nrpe

  #service iptables stop

  #setenforce 0

   6）配置允許遠(yuǎn)程主機(jī)監(jiān)控的對(duì)象

   在被監(jiān)控端，可以通過NRPE監(jiān)控的服務(wù)或資源需要通過nrpe.conf文件使用命令進(jìn)行定義，定義命令的語(yǔ)法格式為：command[<command_name>]=<command_to_execute>。比如：

   command[check_rootdisk]=/usr/local/nagios/libexec/check_disk -w 20% -c 10% -p /

   command[check_swap]=/usr/local/nagios/libexec/check_disk -w 40% -c 20%

   command[check_sensors]=/usr/local/nagios/libexec/check_sensors

   command[check_users]=/usr/local/nagios/libexec/check_users -w 10 -c 20

   command[check_load]=/usr/local/nagios/libexec/check_load -w 10,8,5 -c 20,18,15

   command[check_zombies]=/usr/local/nagios/libexec/check_procs -w 5 -c 10 -s Z

   command[check_all_procs]=/usr/local/nagios/libexec/check_procs -w 150 -c 200

2、配置監(jiān)控端

1）安裝NRPE

# tar -zxvf nrpe-2.12.tar.gz

# cd nrpe-2.12.tar.gz

# ./configure --with-nrpe-user=nagios \

--with-nrpe-group=nagios \

--with-nagios-user=nagios \

--with-nagios-group=nagios \

--enable-command-args \

     --enable-ssl

# make all

# make install-plugin

安裝完成后，/usr/local/nagios/libexec/check_nrpe就會(huì)生成此插件，可測(cè)試客戶端工作正常于否

#cd /usr/local/nagios/libexec/

#./check_nrpe -H 192.168.1.124

NRPE v2.12

2）定義如何監(jiān)控遠(yuǎn)程主機(jī)及服務(wù)：

通過NRPE監(jiān)控遠(yuǎn)程Linux主機(jī)要使用chech_nrpe插件進(jìn)行，其語(yǔ)法格式如下：

check_nrpe -H <host> [-n] [-u] [-p <port>] [-t <timeout>] [-c <command>] [-a <arglist...>]

定義監(jiān)控遠(yuǎn)程Linux主機(jī)的命令：

#vi /usr/local/nagios/etc/objects/commands.cfg  添加nrpe命令

define command{

    command_name   check_nrpe

    command_line   $USER1$/check_nrpe -H $HOSTADDRESS$ -c $ARG1$

}

************建立模板文件******************

#cd /usr/local/nagios/etc/objects/

#vim linhost.cfg  或是  #cp localhost.cfg linhost.cfg

 ***定義遠(yuǎn)程Linux主機(jī)：

define host{

    use           linux-server

     host_name     linhost

    alias          my Linux Host

    address        192.168.1.124

    }

如主機(jī)組不需要?jiǎng)t注釋，添加服務(wù)可參照被監(jiān)控端/usr/local/nagios/etc/nrpe.cfg中的command[check_users]=/usr/local/nagios/libexec/check_users -w 5 -c 10command[check_load]=/usr/local/nagios/libexec/check_load -w 15,10,5 -c 30,25,20command[check_sda1]=/usr/local/nagios/libexec/check_disk -w 20% -c 10% -p /dev/sda1command[check_zombie_procs]=/usr/local/nagios/libexec/check_procs -w 5 -c 10 -s Zcommand[check_total_procs]=/usr/local/nagios/libexec/check_procs -w 150 -c 200 進(jìn)行詳細(xì)配置服務(wù) ***定義遠(yuǎn)程Linux服務(wù)：也可以在后加參數(shù)進(jìn)行設(shè)定監(jiān)控
 define service{
    use           generic-service    host_name        linhost    service_description   check_users    check_command      check_nrpe!check_users    }# Create a service for monitoring the uptime of the server
# Change the host_name to match the name of the host you defined abovedefine service{    use           generic-service    host_name        linhost    service_description   load    check_command      check_nrpe!check_load    }# Create a service for monitoring CPU load
# Change the host_name to match the name of the host you defined abovedefine service{    use           generic-service    host_name        linhost    service_description   sda1    check_command      check_nrpe!check_sda1    }# Create a service for monitoring memory usage
# Change the host_name to match the name of the host you defined abovedefine service{    use           generic-service    host_name        linhost    service_description   Zombie    check_command      check_nrpe!check_zombie_procs    }define service{    use           generic-service    host_name        linhost    service_description   Total procs    check_command      check_nrpe!check_total_procs    }3）將設(shè)定好的linhost.cfg文件添加至/usr/local/nagios/etc/nagios.cfg中#vi /usr/local/nagios/etc/nagios.cfg

cfg_file=/usr/local/nagios/etc/objects/linhost.cfg

4）進(jìn)行測(cè)試配置文件 # /usr/local/nagios/bin/nagios -v /usr/local/nagios/etc/nagios.cfg5）重啟服務(wù)#service nagios restart

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