#yum install mrtg net-snmp net-snmp-utils
2. เปิด snmpd
#chkconfig snmpd on
#service snmpd start
3. config mrtg
#cfgmaker --global "WorkDir: /var/www/mrtg" --global "Options[_]: growright,bits" --ifref=name public@localhost > /etc/mrtg/mrtg.cfg
ให้ แก้ไขไฟล์ /etc/mrtg/mrtg.cfg โดยเพิ่มข้อมูลดังนี้
### Load CPU 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@localhost
MaxBytes[cpu]: 100
Unscaled[cpu]: dwmy
Options[cpu]: gauge, absolute, growright, noinfo, nopercent
YLegend[cpu]: CPU Load(%)
ShortLegend[cpu]: (%)
LegendI[cpu]: CPU System
LegendO[cpu]: CPU User
Title[cpu]: CPU Analysis
PageTop[cpu]:
CPU Analysis
### Memory Free ###
Target[mem]: .1.3.6.1.4.1.2021.4.6.0&.1.3.6.1.4.1.2021.4.4.0:public@localhost
MaxBytes1[mem]: 8362754048
MaxBytes2[mem]: 8587182080
#Unscaled[mem]: dwmy
Options[mem]: gauge, absolute, growright, noinfo
YLegend[mem]: Memory Free
ShortLegend[mem]: Bytes
#kilo[mem]: 1024
#kMG[mem]: G
LegendI[mem]: Real
LegendO[mem]: Swap
Legend1[mem]: (MBytes)
Legend2[mem]: (MBytes)
Title[mem]: Memory Analysis
PageTop[mem]:
Free Memory Analysis
### Established TCP Connections ###
Target[public.newconns]: tcpPassiveOpens.0&tcpActiveOpens.0:public@localhost
Title[public.newconns]: Newly Created TCP Connections
PageTop[public.newconns]:
New TCP Connections
MaxBytes[public.newconns]: 10000000000
ShortLegend[public.newconns]: c/s
YLegend[public.newconns]: Conns / Min
LegendI[public.newconns]: In
LegendO[public.newconns]: Out
Legend1[public.newconns]: New inbound connections
Legend2[public.newconns]: New outbound connections
Options[public.newconns]: growright,nopercent,perminute
### Established TCP Connections ###
Target[public.estabcons]: tcpCurrEstab.0&tcpCurrEstab.0:public@localhost
Title[public.estabcons]: Currently Established TCP Connections
PageTop[public.estabcons]:
Established TCP Connections
MaxBytes[public.estabcons]: 10000000000
ShortLegend[public.estabcons]:
YLegend[public.estabcons]: Connections
LegendI[public.estabcons]: In
LegendO[public.estabcons]:
Legend1[public.estabcons]: Established connections
Legend2[public.estabcons]:
Options[public.estabcons]: growright,nopercent,gauge
4. Gen ไฟล์ index.html
indexmaker --columns=2 --sort=title --output=/var/www/mrtg/index.html /etc/mrtg/mrtg.cfg
5. ให้เรียก mrtg ผ่าน web ได้
#nano /etc/httpd/conf.d/mrtg.conf
เพิ่มใน Allow from all #add by attasit
Order deny,allow
Deny from all
Allow from 127.0.0.1
Allow from ::1
# Allow from .example.com
Allow from all #add by attasit
6. restart apache
#service httpd restart
7. ทดสอบเรียกหน้า web]
http://ip-address/mrtg
