centos下nagios的基本安装-创新互联

centos下nagios的基本安装

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一、下载安装软件：

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、创建用户组及用户

groupadd nagcmd

useradd nagios -s /sbin/nagios

usermod -a -G nagcmd nagios

三、安装apache,mysql,php略

四、安装nagios/nagios-plugins/nrpe主程序

安装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

安装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

说明：如果不加--with-mysql=/usr/local/mysql选项，则不能在/usr/local/nagios/libexec/目录中找到check_mysql命令

安装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

修改为：authorized_for_system_information=tendy(联系人用户名：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

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

修改为：

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/目录下，创建如下文件：

hosts.cfg

contactgroups.cfg

hostgroups.cfg

services.cfg

内容如下：

[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

并新增如下内容：

# 'check_nrpe' command definition

define command{

command_name check_nrpe

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

}

六、检查配置文件，配置文件都正确，会有如下输出

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

Nagios Core 3.4.4

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、将nagios.conf的内容追加到httpd.conf

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

八、创建用户tendy

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

九、启动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、查看进程

[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浏览器上查看

centos下nagios的基本安装

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