Gentoo安装SNMP & MRTG 本机监控

EltonZheng

发布于 2021-01-22 07:37:51

7320

发布于 2021-01-22 07:37:51

文章被收录于专栏：Elton的技术分享博客

必要组件：

net-analyzer/net-snmp
media-libs/gd
net-analyzer/mrtg
sys-process/vixie-cron

0) 切换用户

/bin/su -

1) 创建目录

/usr/bin/mkdir /etc/mrtg
/usr/bin/mkdir /etc/cron.mrtg
/usr/bin/mkdir /var/www/localhost/mrtg

2) 创建snmpd.conf文件

vim /etc/snmp/snmpd.conf
com2sec local     127.0.0.1/32    public
com2sec local     10.10.10.0/24   public

group MyROGroup v1         local
group MyROGroup v2c        local
group MyROGroup usm        local

view all    included  .1                               80

access MyROGroup ""      any       noauth    exact  all    none   none

syslocation MyLocation
syscontact Me <me@somewhere.org>

编辑 /etc/conf.d/snmpd 在SNMPD_FLAGS里面添加

-c /etc/snmp/snmpd.conf

如：SNMPD_FLAGS=”-c /etc/snmp/snmpd.conf”

3) 创建守护进程

/etc/init.d/snmpd start
/sbin/rc-update add snmpd default

4) 配置

Traffic:

/usr/bin/cfgmaker  
--output=/etc/mrtg/traffic.cfg 
--ifdesc=ip 
--ifref=descr 
--global "WorkDir: /var/www/localhost/mrtg" 
--global "Options[_]: bits,growright" 
public@localhost

Cpu:

vim /etc/mrtg/cpu.cfg
WorkDir: /var/www/localhost/mrtg
LoadMIBs: /usr/share/snmp/mibs/UCD-SNMP-MIB.txt
Target[localhost.cpu]:ssCpuRawUser.0&ssCpuRawUser.0:public@localhost + ssCpuRawSystem.0&ssCpuRawSystem.0:public@localhost + ssCpuRawNice.0&ssCpuRawNice.0:public@localhost
RouterUptime[localhost.cpu]: public@localhost
MaxBytes[localhost.cpu]: 100
Title[localhost.cpu]: CPU Load
PageTop[localhost.cpu]: Active CPU Load %
Unscaled[localhost.cpu]: ymwd
ShortLegend[localhost.cpu]: %
YLegend[localhost.cpu]: CPU Utilization
Legend1[localhost.cpu]: Active CPU in % (Load)
Legend2[localhost.cpu]:
Legend3[localhost.cpu]:
Legend4[localhost.cpu]:
LegendI[localhost.cpu]:  Active
LegendO[localhost.cpu]:
Options[localhost.cpu]: growright,nopercent

Mem:

vim /etc/mrtg/mem.cfg
LoadMIBs: /usr/share/snmp/mibs/HOST-RESOURCES-MIB.txt
Target[localhost.mem]: .1.3.6.1.4.1.2021.4.11.0&.1.3.6.1.4.1.2021.4.11.0:public@localhost
PageTop[localhost.mem]: Free Memory 
WorkDir: /var/www/localhost/mrtg
Options[localhost.mem]: nopercent,growright,gauge,noinfo
Title[localhost.mem]: Free Memory
MaxBytes[localhost.mem]: 1000000
kMG[localhost.mem]: k,M,G,T,P,X
YLegend[localhost.mem]: bytes
ShortLegend[localhost.mem]: bytes
LegendI[localhost.mem]:  Free Memory:
LegendO[localhost.mem]:
Legend1[localhost.mem]: Free memory, not including swap, in bytes

Swap:

vim /etc/mrtg/swap.cfg
LoadMIBs: /usr/share/snmp/mibs/UCD-SNMP-MIB.txt
Target[localhost.swap]: memAvailSwap.0&memAvailSwap.0:public@localhost
PageTop[localhost.swap]: Swap Memory
WorkDir: /var/www/localhost/mrtg
Options[localhost.swap]: nopercent,growright,gauge,noinfo
Title[localhost.swap]: Free Memory
MaxBytes[localhost.swap]: 1000000
kMG[localhost.swap]: k,M,G,T,P,X
YLegend[localhost.swap]: bytes
ShortLegend[localhost.swap]: bytes
LegendI[localhost.swap]:  Free Memory:
LegendO[localhost.swap]:
Legend1[localhost.swap]: Swap memory avail, in bytes

Ping:

vim /etc/mrtg/ping.cfg
WorkDir: /var/www/localhost/mrtg
Title[mithril.ping]: Round Trip Time
PageTop[mithril.ping]: Round Trip Time
Target[mithril.ping]: `/etc/mrtg/ping.sh`
MaxBytes[mithril.ping]: 2000
Options[mithril.ping]: growright,unknaszero,nopercent,gauge
LegendI[mithril.ping]: Pkt loss %
LegendO[mithril.ping]: Avg RTT
Legend1[mithril.ping]: Maximum Round Trip Time in ms
Legend2[mithril.ping]: Minimum Round Trip Time in ms
#Legend3[mithril.ping]: Maximal 5 Minute Maximum Round Trip Time in ms
#Legend4[mithril.ping]: Maximal 5 Minute Minimum Round Trip Time in ms
YLegend[mithril.ping]: RTT (ms)

5) 创建脚本

Traffic:

vim /etc/cron.mrtg/traffic.sh
#!/bin/sh
/usr/bin/mrtg /etc/mrtg/traffic.cfg

Cpu:

vim /etc/cron.mrtg/cpu.sh
#!/bin/sh
/usr/bin/mrtg /etc/mrtg/cpu.cfg

Mem:

vim /etc/cron.mrtg/mem.sh
#!/bin/sh
/usr/bin/mrtg /etc/mrtg/mem.cfg

Swap:

vim /etc/cron.mrtg/swap.sh
#!/bin/sh
/usr/bin/mrtg /etc/mrtg/swap.cfg

Ping:

vim /etc/cron.mrtg/ping.sh
#!/bin/sh
/usr/bin/mrtg /etc/mrtg/ping.cfg

ping.sh

vim /etc/mrtg/ping.sh
#!/bin/sh
PING="/bin/ping"
# Google, for example
ADDR="google.com"
DATA=`$PING -c10 -s500 $ADDR -q `
LOSS=`echo $DATA | awk '{print $18 }' | tr -d %`
echo $LOSS
if [ $LOSS = 100 ];
then
               echo 0
else
        echo $DATA | awk -F/ '{print $5 }'
fi

赋予脚本可执行权限

/bin/chmod +x /etc/cron.mrtg/*.sh
/bin/chmod +x /etc/mrtg/ping.sh

下面的每个脚本执行3次，不必理会warning

/etc/cron.mrtg/traffic.sh
/etc/cron.mrtg/cpu.sh
/etc/cron.mrtg/mem.sh
/etc/cron.mrtg/swap.sh
/etc/cron.mrtg/ping.sh

6) 创建MRTG首页

/usr/bin/indexmaker --output=/var/www/localhost/mrtg/index.html 
--title="Power Under Control : )" 
--sort=name 
--enumerate 
/etc/mrtg/traffic.cfg 
/etc/mrtg/cpu.cfg 
/etc/mrtg/mem.cfg 
/etc/mrtg/swap.cfg 
/etc/mrtg/ping.cfg

7) 计划任务

每5分钟执行一次数据更新

usr/bin/crontab -e
*/5 * * * * /bin/run-parts /etc/cron.mrtg 1> /dev/null

现在就有一个html文件生成好了/var/www/localhost/www/index.html 将你的web服务器设置好，打开流量器就可以看到统计数据了。

参考链接：http://forums.gentoo.org/viewtopic-t-105862.html

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Gentoo安装SNMP & MRTG 本机监控

Gentoo安装SNMP & MRTG 本机监控

0) 切换用户

1) 创建目录

2) 创建snmpd.conf文件

3) 创建守护进程

4) 配置

5) 创建脚本

6) 创建MRTG首页

7) 计划任务

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