SNMP＆MRTG

メモ

まあいろいろと設定中。
設定の大半は例によってパクリ。

net-snmp
apt-get install net-snmp net-snmp-utils
vi /etc/snmp/snmpd.conf

設定

## sec.name source community
com2sec local localhost private
com2sec mynetwork 192.168.0.0/16 public

## group.name sec.model sec.name
group MyRWGroup any local
group MyROGroup any mynetwork

## incl/excl subtree mask
view all included .1 80


## context sec.model sec.level prefix read write notif
access MyROGroup "" any noauth 0 all none none
access MyRWGroup "" any noauth 0 all all all

disk / 1000

chkconfig --level 35 snmpd on
/etc/init.d/snmpd start

MRTG
apt-get install libpng-devel zlib-devel gd-devel
wget http://people.ee.ethz.ch/~oetiker/webtools/mrtg/pub/mrtg-2.12.2.tar.gz
tar xzvf mrtg-2.12.2.tar.gz
cd mrtg-2.12.2
./configure --with-gd-lib=/usr/lib --with-gd-inc=/usr/include --with-z-inc=/usr/include --with-z-lib=/usr/lib --with-png-inc=/usr/include --with-png-lib=/usr/lib --prefix=/usr
make
make install

cp -R /usr/man/ /usr/share/
rm -Rf /usr/man/


mkdir /home/httpd/html/mrtg

# cfgmaker public@192.168.0.1 > /etc/mrtg.conf
vi /etc/snmp/mrtg.conf

設定

# Created by 
# ./cfgmaker public@192.168.0.1

### Global Config Options
# for UNIX
WorkDir: /home/httpd/html/mrtg

### Global Defaults
# to get bits instead of bytes and graphs growing to the right
Options[_]: growright, noinfo

Language:eucjp

EnableIPv6: no

# Netwerk Traffic(eth0)
Target[network]: 2:public@192.168.0.1:
SetEnv[network]: MRTG_INT_IP="192.168.0.1" MRTG_INT_DESCR="eth0"
MaxBytes[network]: 12500000
Title[network]: Netwerk Traffic Analysis 
PageTop[network]: <H1>Netwerk Traffic Analysis </H1>
<H3>Host(192.168.0.1) Device:eth0</H3>


# CPU Load Average
Target[cpu]: .1.3.6.1.4.1.2021.10.1.5.1&.1.3.6.1.4.1.2021.10.1.5.2:public@192.168.0.1
MaxBytes[cpu]: 100
Unscaled[cpu]: dwmy
Options[cpu]: gauge, absolute, growright, noinfo, nopercent
YLegend[cpu]: CPU Load(%)
ShortLegend[cpu]: (%)
LegendI[cpu]: 1分間平均
LegendO[cpu]: 5分間平均
Legend1[cpu]: 1分間平均(%)
Legend2[cpu]: 5分間平均(%)
Title[cpu]: CPU使用率 
PageTop[cpu]: <H1>CPU使用率 </H1>
<H3>Host(192.168.0.1)</H3>


# Memory Usage
Target[mem]: .1.3.6.1.4.1.2021.4.6.0&.1.3.6.1.4.1.2021.4.4.0:public@192.168.0.1
MaxBytes1[mem]: 200000
MaxBytes2[mem]: 400000
Unscaled[mem]: dwmy
Options[mem]: gauge, absolute, growright, noinfo
YLegend[mem]: Mem Free(Bytes)
ShortLegend[mem]: Bytes
kilo[mem]: 1024
kMG[mem]: k,M,G,T,P
LegendI[mem]: Real
LegendO[mem]: Swap
Legend1[mem]: 空き物理メモリ[MBytes]
Legend2[mem]: 空きスワップメモリ[MBytes]
Title[mem]: 空きメモリ量 
PageTop[mem]: <H1>空きメモリ量 </H1>
<H3>Host(192.168.0.1)</H3>

# Disk Used
Target[disk]: .1.3.6.1.4.1.2021.9.1.9.1&.1.3.6.1.4.1.2021.9.1.9.1:public@192.168.0.1
MaxBytes[disk]: 100
Unscaled[disk]: dwmy
Options[disk]: gauge, absolute, growright, nopercent, noinfo
YLegend[disk]: Disk Used(%)
ShortLegend[disk]: (%)
LegendI[disk]: / Disk used
LegendO[disk]: / Disk Used
Legend1[disk]: / Disk used
Legend2[disk]: / Disk used
Title[disk]: ディスク使用率 
PageTop[disk]: <H1>ディスク使用率 </H1>
<H3>Host(192.168.0.1)</H3>

mrtg /etc/snmp/mrtg.conf
mrtg /etc/snmp/mrtg.conf
mrtg /etc/snmp/mrtg.conf
indexmaker /etc/snmp/mrtg.conf > /home/httpd/mrtg/index.html
mozilla file:///home/httpd/html/mrtg/index.html

vi /etc/crontab

設定

*/5 * * * * root /usr/bin/mrtg /etc/snmp/mrtg.conf