linux客戶端需要的軟件有：nagios-plugins、nrpe
windows客戶端需要安裝：NSClient++.msi文件
Nagios服務(wù)器/usr/local/nagios/etc/objects目錄下放被監(jiān)控主機的cfg文件，使用use語句引用templates.cfg模板中的對象屬性，
linux中nagios配置詳解http://bbs.linuxtone.org/thread-2328-1-1.html
[root@centos objects]#vi /usr/local/nagios/etc/objects/windows.cfg
define host{
use windows-server ; Inherit default values from a template
host_name server ; The name we're giving to this host
alias My Windows Server ; A longer name associated with the host
address 192.168.0.8 ; IP address of the host
}
之后在/usr/local/nagios/etc/nagios.cfg文件中添加該路徑，重啟nagios服務(wù)就會在WEB出現(xiàn)。
上面是少量監(jiān)控的配置方法?！铩铩?/p>
檢查nagios配置文件語法錯誤：/usr/local/nagios/bin/nagios -v /usr/local/nagios/etc/nagios.cfg
★nagios服務(wù)器監(jiān)控linux主機的操作
Linux下Nagios的安裝與配置 http://www.cnblogs.com/mchina/archive/2013/02/20/2883404.html
必須下載安裝nrpe-2.*.tar.gz
tar xzf nrpe-2.8.1.tar.gz
cd nrpe-2.8.1
./configure
make all
make install-plugin
-------------------
tar xzf nrpe-2.8.1.tar.gz
cd nrpe-2.8.1
./configure
make all
make install-plugin
make install-daemon
make install-daemon-config
為被監(jiān)控遠程主機定義host和service
1、定義check_nrpe命令
在文件/usr/local/nagios/etc/objects/commands.cfg后面增加：
# 'check_nrpe' command definition
define command{
command_name check_nrpe
command_line $USER1$/check_nrpe -H $HOSTADDRESS$ -t 30 -c $ARG1$
}
2、創(chuàng)建/usr/local/nagios/etc/objects/remotehost.cfg
#host定義示例部分：
define host{
use linux-server
host_name remotehost
address 192.168.0.252
}
#Service定義示例部分：
define service{
use generic-service
service_description Root Partition
check_command check_nrpe!check_disk
}
3、添加此文件到nagios.cfg全局配置文件中
vi /usr/local/nagios/etc/nagios.cfg
cfg_file=/usr/local/nagios/etc/objects/remotehost.cfg
配置之前做好文件備份“/usr/local/nagios/etc/objects/*”和“nagios.cfg”
★★★★★添加大量被監(jiān)控主機方法
需要新建的文件：contactgroups.cfg contacts.cfg hostgroups.cfg hosts.cfg services.cfg timeperiods.cfg
參照http://sery.blog.51cto.com/10037/20520
◆vi /usr/local/nagios/etc/objects/hosts.cfg //主機配置文件路徑
define host{
host_name centos
alias centos
address 192.168.0.253
max_check_attempts 5
#check_interval 1
#retry_interval 1
check_period 24x7
contact_groups sa_groups
notification_interval 30
#first_notification_delay
notification_period 24x7
notification_options d,u,r
}
copy以上內(nèi)容，修改主機名和ip即可， 如：red-192.168.0.252
◆vi /usr/local/nagios/etc/objects/hostgroups.cfg //主機組配置文件路徑
define hostgroup{
hostgroup_name http_hosts
alias http_hosts
members red,centos
}
類似該文檔下面繼續(xù)添加。
也可以創(chuàng)建一個文件加入多個被監(jiān)控主機的信息
◆vi /usr/local/nagios/etc/objects/services.cfg //服務(wù)配置文件路徑
define service {
host_name centos
service_description check-host-alive
check_period 24x7
max_check_attempts 4
normal_check_interval 3
retry_check_interval 2
contact_groups http_hosts
notification_interval 10
notification_period 24x7
notification_options w,u,c,r
check_command check-host-alive //檢查主機是否存活
}
copy以上內(nèi)容，修改主機名和ip即可
◆vi timeperiods.cfg //監(jiān)視時段配置文件路徑
define timeperiod{
timeperiod_name 24x7
alias 24 Hours A Day, 7 Days A Week
sunday 00:00-24:00
monday 00:00-24:00
tuesday 00:00-24:00
wednesday 00:00-24:00
thursday 00:00-24:00
friday 00:00-24:00
saturday 00:00-24:00
}
◆vi contacts.cfg //聯(lián)系人配置文件路徑
define contact {
contact_name sa //不要有空格，使用tab鍵
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-sms,service-
notify-by-email //這個命令讀配置文件miscommands.cfg
host_notification_commands host-notify-by-email,host-noti
fy-by-sms //這個命令讀配置文件miscommands.cfg
email sery@163.com
pager 13333333333 //手機號，收報警短信
}
copy以上內(nèi)容，修改其他聯(lián)系人就是
◆vi contactgroups.cfg //聯(lián)系組配置文件路徑
define contactgroup {
contactgroup_name sagroup //不要用空格，使用tab鍵
alias system administrator group
members sa,sery //本例有2個成員
}
把以上所有創(chuàng)建的文件添加在nagios.cfg全局配置文件中
Starting nagios:This account is currently not available nagios啟動報錯
解決方法：
修改/etc/passwd
將/sbin/nologin改成/bin/bash
★★NRPE客戶端的安裝
http://blog.csdn.net/jiedushi/article/details/6524375
nagios 客戶端安裝LINUX
./configure
make all
make install-plugin
make install-daemon
make install-daemon-config
yum install xinetd
make install-xinetd
檢查NRPE正確安裝與否命令：/usr/local/nagios/libexec/check_nrpe -H localhost
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