在監(jiān)控端及nagios服務(wù)器上添加如下腳本

我們提供的服務(wù)有：成都網(wǎng)站設(shè)計(jì)、做網(wǎng)站、微信公眾號(hào)開(kāi)發(fā)、網(wǎng)站優(yōu)化、網(wǎng)站認(rèn)證、平谷ssl等。為數(shù)千家企事業(yè)單位解決了網(wǎng)站和推廣的問(wèn)題。提供周到的售前咨詢和貼心的售后服務(wù)，是有科學(xué)管理、有技術(shù)的平谷網(wǎng)站制作公司

[root@nagios libexec]# cat /usr/local/nagios/libexec/check_mem.sh 

TOTAL=`free -m | head -2 |tail -1 |gawk '{print $2}'`

# Free memory 

FREE=`free -m | head -2 |tail -1 |gawk '{print $4}'`

# to calculate free percent

# use the expression  free * 100 / total

FREETMP=`expr $FREE \* 100`

PERCENT=`expr $FREETMP / $TOTAL`

echo "$FREE MB ($PERCENT%) Free Memory"

exit 0

vim /usr/local/nagios/etc/objects/commands.cfg (添加)

definecommand{

command_namecheck_mem

command_line$USER1/check_mem.sh   -H $HOSTADDRESS$

}

vim /usr/local/nagios/etc/objects/services.cfg （添加）

define service{

        use                     local-service

        host_name               MySQLhost

        service_groups  mysqlgroup

        service_description     check_mem

        check_command           check_nrpe!check_mem.sh

        max_check_attempts      2

        normal_check_interval   3

        retry_check_interval    2

        check_period            24x7

        notification_interval   5

        notification_period     24x7

        notification_options    w,u,c,r

        contact_groups          admins

}

在被監(jiān)控端

[root@171 html]# cat /usr/local/nagios/libexec/check_mem.sh 

TOTAL=`free -m | head -2 |tail -1 |gawk '{print $2}'`

# Free memory 

FREE=`free -m | head -2 |tail -1 |gawk '{print $4}'`

# to calculate free percent

# use the expression  free * 100 / total

FREETMP=`expr $FREE \* 100`

PERCENT=`expr $FREETMP / $TOTAL`

echo "$FREE MB ($PERCENT%) Free Memory"

exit 0

vim /usr/local/nagios/etc/nrpe.cfg （添加）

command[check_mem.sh]=/usr/local/nagios/libexec/check_mem.sh

重啟xientd服務(wù)

/etc/init.d/xinted restart

監(jiān)控端

重啟nagios服務(wù)

/etc/init.d/nagios restart