centos下nagios的基本安裝-創(chuàng)新互聯(lián)

centos下nagios的基本安裝

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一、下載安裝軟件：

wget http://prdownloads.sourceforge.net/sourceforge/nagios/nagios-3.4.4.tar.gz

wget http://sourceforge.net/projects/nagiosplug/files/nagiosplug/1.4.16/nagios-plugins-1.4.16.tar.gz

wget http://prdownloads.sourceforge.net/sourceforge/nagios/nrpe-2.13.tar.gz

二、創(chuàng)建用戶組及用戶

groupadd nagcmd

useradd nagios -s /sbin/nagios

usermod -a -G nagcmd nagios

三、安裝apache,mysql,php略

四、安裝nagios/nagios-plugins/nrpe主程序

安裝nagios

tar -zxvf nagios-3.4.4.tar.gz

cd nagios

./configure --prefix=/usr/local/nagios --with-nagios-user=nagios --with-nagios-group=nagios --with-command-group=nagcmd

make all

make install

make install-init

make install-config

make install-commandmode

cp -R contrib/eventhandlers/ /usr/local/nagios/libexec/

chown -R nagios:nagios /usr/local/nagios/libexec/eventhandlers

cp sample-config/httpd.conf /usr/local/apache/conf/nagios.conf

安裝nagios-plugins

tar -zxvf nagios-plugins-1.4.16.tar.gz

cd nagios-plugins-1.4.16

./configure --prefix=/usr/local/nagios --with-nagios-user=nagios --with-nagios-group=nagios --with-mysql=/usr/local/mysql

make

make install

說明：如果不加--with-mysql=/usr/local/mysql選項，則不能在/usr/local/nagios/libexec/目錄中找到check_mysql命令

安裝nrpe

tar -zxvf nrpe-2.13.tar.gz

cd nrpe-2.13

./configure --prefix=/usr/local/nrpe

make

make install

mkdir /usr/local/nrpe/etc/

cp sample-config/nrpe.cfg /usr/local/nrpe/etc/

cp /usr/local/nrpe/check_nrpe /usr/local/nagios/libexec/

cp /usr/local/nagios/libexec/check_disk /usr/local/nrpe/libexec/

cp /usr/local/nagios/libexec/check_load /usr/local/nrpe/libexec/

cp /usr/local/nagios/libexec/check_ping /usr/local/nrpe/libexec/

cp /usr/local/nagios/libexec/check_procs /usr/local/nrpe/libexec/

五、配置cgi.cfg

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

authorized_for_system_information=nagiosadmin

修改為：authorized_for_system_information=tendy(聯(lián)系人用戶名：如tendy)

authorized_for_configuration_information=tendy

authorized_for_system_commands=tendy

authorized_for_all_services=tendy

authorized_for_all_hosts=nagiosadmin,tendy

authorized_for_all_service_commands=tendy

authorized_for_all_host_commands=tendy

配置nagios.cfg

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

將cfg_file=/usr/local/nagios/etc/objects/localhosts.cfg

修改為：

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

手工添加如下文件：

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

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

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

然后在/usr/local/nagios/etc/objects/目錄下，創(chuàng)建如下文件：

hosts.cfg

contactgroups.cfg

hostgroups.cfg

services.cfg

內(nèi)容如下：

[root@jk objects]# more hosts.cfg

define host{

    host_name        jk-server

    alias          jk server

    address         192.168.201.110

    check_period       24x7

    check_interval      5

    retry_interval      1

    max_check_attempts    10

    check_command      check-host-alive

    notification_period   24x7

    notification_interval  10

    notification_options   d,r,u

    contact_groups      jk_nagios_group,jk_db_group

    }

[root@jk objects]# more hostgroups.cfg

define hostgroup{

    hostgroup_name  jk-servers

    alias      jk servers

    members     jk-server

}

[root@jk objects]# more contactgroups.cfg

define contactgroup{

    contactgroup_name    jk_nagios_group

    alias          system administrator group

    members         tendy

    }

[root@jk objects]# more contacts.cfg

define contact{

    contact_name           tendy

    alias              system administrator

    service_notification_period   24x7

    host_notification_period     24x7

    service_notification_options   w,u,c,r

    host_notification_options    d,u,r

    service_notification_commands  service-notify-by-email

    host_notification_commands    host-notify-by-email

    email              tendyjk@163.com

    }

define service{

    host_name            jk-server

    service_description       check-host-alive

    check_period           24x7

    max_check_attempts        4

    normal_check_interval      3

    retry_check_interval       2

    contact_groups          jk_nagios_group

    notification_options       w,u,c,r

    notification_interval      10

    notification_period       24x7

    check_command          check-host-alive

    }

[root@jk objects]# more services.cfg

define service{

    host_name            jk-server

    service_description       check-tcp 80

    check_period           24x7

    max_check_attempts        4

    normal_check_interval      3

    retry_check_interval       2

    contact_groups          jk_nagios_group

    notification_options       w,u,c,r

    notification_interval      10

    notification_period       24x7

    check_command          check_tcp!80

    }

修改commands.cfg

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

修改：notify-host-by-email----> host-notify-by-email

修改：notify-service-by-email----> service-notify-by-email

并新增如下內(nèi)容：

# 'check_nrpe' command definition

define command{

    command_name   check_nrpe

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

    }

六、檢查配置文件，配置文件都正確，會有如下輸出

[root@jk objects]# /usr/local/nagios/bin/nagios -v /usr/local/nagios/etc/nagios.cfg

Nagios Core 3.4.4

Copyright (c) 2009-2011 Nagios Core Development Team and Community Contributors

Copyright (c) 1999-2009 Ethan Galstad

Last Modified: 01-12-2013

License: GPL

Website: http://www.nagios.org

Reading configuration data...

  Read main config file okay...

Processing object config file '/usr/local/nagios/etc/objects/commands.cfg'...

Processing object config file '/usr/local/nagios/etc/objects/contacts.cfg'...

Processing object config file '/usr/local/nagios/etc/objects/contactgroups.cfg'...

Processing object config file '/usr/local/nagios/etc/objects/timeperiods.cfg'...

Processing object config file '/usr/local/nagios/etc/objects/templates.cfg'...

Processing object config file '/usr/local/nagios/etc/objects/services.cfg'...

Processing object config file '/usr/local/nagios/etc/objects/hostgroups.cfg'...

Processing object config file '/usr/local/nagios/etc/objects/hosts.cfg'...

  Read object config files okay...

Running pre-flight check on configuration data...

Checking services...

    Checked 6 services.

Checking hosts...

    Checked 1 hosts.

Checking host groups...

    Checked 1 host groups.

Checking service groups...

    Checked 0 service groups.

Checking contacts...

    Checked 2 contacts.

Checking contact groups...

    Checked 2 contact groups.

Checking service escalations...

    Checked 0 service escalations.

Checking service dependencies...

    Checked 0 service dependencies.

Checking host escalations...

    Checked 0 host escalations.

Checking host dependencies...

    Checked 0 host dependencies.

Checking commands...

    Checked 26 commands.

Checking time periods...

    Checked 5 time periods.

Checking for circular paths between hosts...

Checking for circular host and service dependencies...

Checking global event handlers...

Checking obsessive compulsive processor commands...

Checking misc settings...

Total Warnings: 0

Total Errors:  0

Things look okay - No serious problems were detected during the pre-flight check

七、將nagios.conf的內(nèi)容追加到httpd.conf

cat nagios >> /usr/local/apache/conf/httd.conf

八、創(chuàng)建用戶tendy

/usr/local/apache/bin/htpasswd -c /usr/local/nagios/etc/htpasswd.user tendy

九、啟動apache、nagios、nrpe

/usr/local/apache/bin/apachectl start

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

/usr/local/nrpe/bin/nrpe -c /usr/local/nrpe/etc/nrpe.cfg

十、查看進程

[root@jk objects]# ps aux |grep nrpe |grep -v grep

nagios   4216  0.0  0.0  5124  924 ?     Ss  12:42  0:00 /usr/local/nrpe/bin/nrpe -c /usr/local/nrpe/etc/nrpe.cfg -d

[root@jk objects]# ps aux |grep nagios |grep -v grep

nagios   4216  0.0  0.0  5124  924 ?     Ss  12:42  0:00 /usr/local/nrpe/bin/nrpe -c /usr/local/nrpe/etc/nrpe.cfg -d

nagios   5617  0.0  0.0  12952  1036 ?     Ssl  13:48  0:00 /usr/local/nagios/bin/nagios -d /usr/local/nagios/etc/nagios.cfg

root    6980  0.0  0.0  4664  1324 pts/0   T   15:12  0:00 /bin/sh ./configure --prefix=/usr/local/nagios --with-nagios-user=nagios --with-nagios-group=nagios --with-command-group=nagcmd

root    8382  0.0  0.0  4664  628 pts/0   T   15:12  0:00 /bin/sh ./configure --prefix=/usr/local/nagios --with-nagios-user=nagios --with-nagios-group=nagios --with-command-group=nagcmd

十一、查看端口

[root@jk objects]# netstat -an|grep 5666

tcp     0    0 192.168.201.110:5666     0.0.0.0:*          LISTEN

十二、在web瀏覽器上查看

centos下nagios的基本安裝

centos下nagios的基本安裝

 

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