给Ubuntu服务器安装MRTG监控软件


给Ubuntu服务器安装MRTG监控软件:

一:安装网络流量监视[默认5分钟采集一次]

切换到超级用户:
sudo -sH

安装软件:
apt-get install apache2
apt-get install mrtg
apt-get install snmpd

编辑snmpd:
vim /etc/snmp/snmpd.conf



查找到类似的行,修改为如下所示:(仅仅修改屏蔽或放开)
# sec.name source community
# com2sec paranoid default public # kommentieren
com2sec readonly default public # <- auskommentieren
#com2sec readwrite default private

重启snmpd服务:
/etc/init.d/snmpd restart

重新生成mrtg的配置文件:
cfgmaker public@localhost > /etc/mrtg.cfg

(注意)如果仅仅监视一个IP地址采用如下命令:
cfgmaker public@192.168.0.1 >> /etc/mrtg.cfg

生成mrtg的主页:
indexmaker /etc/mrtg.cfg > /var/www/mrtg/index.html

访问:
http://localhost/mrtg/

二安装CPU负载监视[默认5分钟采集一次]

切换到超级用户:
sudo -sH

安装软件:
apt-get install sysstat

建立CPU脚本:
mkdir /opt/mrtg
vim /opt/mrtg/mrtg.cpu
#!/bin/bash
cpuusr=`/usr/bin/sar -u 1 3 | grep Average | awk {print $3}`
cpusys=`/usr/bin/sar -u 1 3 | grep Average | awk {print $5}`
UPtime=`/usr/bin/uptime | awk {print $3""$4""$5}`
echo $cpuusr
echo $cpusys
echo $UPtime
hostname

使脚本可以执行:
chmod +755 /opt/mrtg/mrtg.cpu

修改 /etc/mrtg.cfg 在文件最后加入cpu项目
Target[cpu]: `/opt/mrtg/mrtg.cpu`
MaxBytes[cpu]: 100
Options[cpu]: gauge, nopercent, growright
YLegend[cpu]: CPU loading (%)
ShortLegend[cpu]: %
LegendO[cpu]:   CPU us;
LegendI[cpu]:   CPU sy;
Title[cpu]: CPU Loading
PageTop[cpu]: <H1>CPU Loading</H1>

重新生成索引页面:
indexmaker /etc/mrtg.cfg > /var/www/mrtg/index.html

三安装WWW连接数监视[默认5分钟采集一次]

切换到超级用户:
sudo -sH

建立WWW脚本:
mkdir /opt/mrtg
vim /opt/mrtg/mrtg.www
#!/bin/bash
all=`netstat -a | grep www|awk {print $5}|sort | wc -l|awk {print$1 - 1}`
user=`netstat -a | grep www|awk {print $5}|cut -d":" -f1|sort| uniq |wc -l | awk {print $1 - 1}`
if [ "$all" = "-1" ]; then
echo 0
else
echo $all
fi
if [ "$user" = "-1" ]; then
echo 0
else
echo $user
fi
UPtime=`/usr/bin/uptime | awk {print $3 " " $4 " " $5}`
echo $UPtime
hostname


使脚本可以执行:
chmod +755 /opt/mrtg/mrtg.www

修改 /etc/mrtg.cfg 在文件最后加入www项目
Target[www]: `/opt/mrtg/mrtg.www`
MaxBytes[www]: 500
Options[www]: nopercent, growright
YLegend[www]: Online Users
ShortLegend[www]: %
LegendI[www]:   Connect :
LegendO[www]:   Online :
Title[www]: WWW Connect
PageTop[www]: <H1> WWW Connect </H1>

重新生成索引页面:
indexmaker /etc/mrtg.cfg > /var/www/mrtg/index.html 四安装内存使用监视[默认5分钟采集一次]

切换到超级用户:
sudo -sH

建立RAM脚本:
mkdir /opt/mrtg
vim /opt/mrtg/mrtg.ram
#!/bin/bash
# run this script to check the mem usage.
totalmem=`/usr/bin/free |grep Mem |awk {print $2}`


usedmem=`/usr/bin/free |grep Mem |awk {print $3}`
UPtime=`/usr/bin/uptime | awk {print $3""$4""$5}`
echo $totalmem
echo $usedmem
echo $UPtime
hostname


使脚本可以执行:
chmod +755 /opt/mrtg/mrtg.ram

修改 /etc/mrtg.cfg 在文件最后加入ram项目
Target[ram]: `/opt/mrtg/mrtg.ram`
#Unscaled[ram]: dwym
MaxBytes[ram]: 2048000
Title[ram]:Memory
ShortLegend[ram]: &
kmg[ram]:kB,MB
kilo[ram]:1024
YLegend[ram]:   Memory Usage :
Legend1[ram]:   Total Memory :
Legend2[ram]:   Used Memory :
LegendI[ram]:   Total Memory :
LegendO[ram]:   Used Memory :
Options[ram]: growright,gauge,nopercent
PageTop[ram]:<H1>Memory</H1>

重新生成索引页面:
indexmaker /etc/mrtg.cfg > /var/www/mrtg/index.html


五安装FTP连接数监视[默认5分钟采集一次]

切换到超级用户:
sudo -sH

建立FTP脚本:
mkdir /opt/mrtg
vim /opt/mrtg/mrtg.ftp
#!/bin/bash
all=`netstat -a | grep ftp|awk {print $5}|sort | wc -l|awk {print$1 - 1}`
user=`netstat -a | grep ftp|awk {print $5}|cut -d":" -f1|sort| uniq |wc -l | awk {print $1 - 1}`
if [ "$all" = "-1" ]; then
echo 0
else
echo $all
fi
if [ "$user" = "-1" ]; then
echo 0
else
echo $user
fi
UPtime=`/usr/bin/uptime | awk {print $3 " " $4 " " $5}`

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