搭建nagios的目的就是为了他的报警系统，nagios据我所了解可以有三种报警：
一、声音报警
二、电子邮件报警
三、手机短讯报警
下面是我的邮件报警的配置过程：
1、开启系统自带的sendmail邮件系统
service sendmail start
如果没有安装，可以yum一下
yum install -y sendmail*
service sendmail restart
测试发送邮件：
echo "test" | mail lihuipeng007@163.com
我系统在关掉iptables和selinux前提下是正常的
2、配置nagios中报警邮箱
vi /usr/local/nagios/etc/objects/contacts.cfg
define contact{
contact_name nagiosadmin ; Short name of user
use generic-contact ; Inherit default values from generic-contact template (defined
above)
alias Nagios Admin ; Full name of user
email lihuipeng007@163.com
; <<***** CHANGE THIS TO YOUR EMAIL ADDRESS ******
}
在email那里加上自己的邮箱，如果有多个可以用逗号隔开
3、设置报警方式：
vi /usr/local/nagios/etc/objects/templates.cfg
define contact{
name generic-contact ; The name of this contact template
service_notification_period 24x7 ; service notifications can be sent anytime
host_notification_period 24x7 ; host notifications can be sent anytime
service_notification_options w,u,c,r,f,s ; send notifications for all service states, flapping events, and
scheduled downtime events
host_notification_options d,u,r,f,s ; send
notifications for all host states, flapping events, and scheduled
downtime events
service_notification_commands notify-service-by-email ; send service notifications via email
host_notification_commands notify-host-by-email ; send host notifications via email
register 0 ; DONT REGISTER THIS DEFINITION - ITS NOT A REAL CONTACT, JUST A
TEMPLATE!
}
这两个notify-service-by-email 和 notify-host-by-email 是在command.cfg那里定义的，看看是怎么定义的：
# 'notify-host-by-email' command definition
define command{
command_name notify-host-by-email
command_line /usr/bin/printf "%b" "***** Nagios ***** Notification
Type: $NOTIFICATIONTYPE$ Host: $HOSTNAME$ State: $HOSTSTATE$
Address: $HOSTADDRESS$ Info: $HOSTOUTPUT$ Date/Time: $LONGDATETIME$ " |
/bin/mail -s "** $NOTIFICATIONTYPE$ Host Alert: $HOSTNAME$ is
$HOSTSTATE$ **" $CONTACTEMAIL$
}
# 'notify-service-by-email' command definition
define command{
command_name notify-service-by-email
command_line /usr/bin/printf "%b" "***** Nagios ***** Notification
Type: $NOTIFICATIONTYPE$ Service: $SERVICEDESC$ Host:
$HOSTALIAS$ Address: $HOSTADDRESS$ State: $SERVICESTATE$ Date/Time:
$LONGDATETIME$ Additional Info: $SERVICEOUTPUT$ " | /bin/mail -s "**
$NOTIFICATIONTYPE$ Service Alert: $HOSTALIAS$/$SERVICEDESC$ is
$SERVICESTATE$ **" $CONTACTEMAIL$
}
这里已经默认配置好，我们不用修改直接调用就是了
最后重启服务：
service nagios retart
然后随便关掉一些服务测试一下效果！
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