adj 2007-11-30 20:41
F7 (Fedora 7) 上安裝 MRTG 說明
學生用伺服器建置流程（Fedora Core X 版）
[url=http://apt.nc.hcc.edu.tw/web/student_server_FC5/appendix.html#mrtg][color=#006699]http://apt.nc.hcc.edu.tw/web/student_server_FC5/appendix.html#mrtg[/color][/url]
MRTG - Multi Router Traffic Grapher
MRTG 官方網站：[url]http://oss.oetiker.ch/mrtg/[/url]
yum -y install net-snmp mrtg gd libpng zlib
產生設定檔：
mv /etc/snmp/snmpd.conf /etc/snmp/snmpd.conf.bak
vi /etc/snmp/snmpd.conf
com2sec local localhost public
com2sec mynetwork 192.168.128.0/24 public
group MyRWGroup any local
group MyROGroup any mynetwork
group MyRWGroup any otherv3user
view all included .1 80
access MyROGroup "" any noauth 0 all none none
access MyRWGroup "" any noauth 0 all all all
syslocation Fedora Core 5
syscontact sysadm <[email]sysadm@xxx.xxx.edu.tw[/email]>
啟動 snmpd：
/etc/rc.d/init.d/snmpd start
chkconfig snmpd on
[color=blue]確認 snmpd 有執行
[root@localhost ~]# service snmpd restart
[root@localhost ~]# service snmpd status
snmpd (pid 3168) is running...[/color]
建立放置網頁的資料夾：
mkdir /var/www/mrtg/web
產生 mrtg.cfg：
cfgmaker --global 'WorkDir: /var/www/mrtg/web' \
--global 'Options[_]: growright' \
--output /etc/mrtg/mrtg.cfg \
[email=public@192.168.128.0][color=#006699]public@192.168.128.0[/color][/email]
[color=red]出現下面錯誤
--base: Get Device Info on [email=public@192.168.128.129][color=#006699]public@192.168.128.129[/color][/email]:
SNMP Error:
no response received
SNMPv1_Session (remote host: "192.168.128.129" [192.168.128.129].161)
community: "public"
request ID: 1382243586
PDU bufsize: 8000 bytes
timeout: 2s
retries: 5
backoff: 1)
at /usr/bin/../lib/mrtg2/SNMP_util.pm line 627
SNMPWALK Problem for 1.3.6.1.2.1.1 on [email=public@192.168.128.129][color=#006699]public@192.168.128.129[/color][/email]::::::v4only
at /usr/bin/cfgmaker line 924
WARNING: Skipping [email=public@192.168.128.129][color=#006699]public@192.168.128.129[/color][/email]: as no info could be retrieved
--base: Writing /etc/mrtg/mrtg.cfg[/color]
修改 mrtg.cfg：
cp /etc/mrtg/mrtg.cfg /etc/mrtg/mrtg.cfg.bak
vi /etc/mrtg/mrtg.cfg
#在 20行 Options[_]: growright 這一行下面加上
Language:big5
註：修改此檔案的內容（假如有需要的話）
產生網頁：
env LANG=C /usr/bin/mrtg /etc/mrtg/mrtg.cfg
env LANG=C /usr/bin/mrtg /etc/mrtg/mrtg.cfg
env LANG=C /usr/bin/mrtg /etc/mrtg/mrtg.cfg
#執行三次
產生索引頁：
若有多個機器要監控，可以用索引頁來放置多個機器的圖表
cd /var/www/mrtg/web
indexmaker /etc/mrtg/mrtg.cfg > index.html
設定瀏覽範圍：
cp /etc/httpd/conf.d/mrtg.conf /etc/httpd/conf.d/mrtg.conf.bak
vi /etc/httpd/conf.d/mrtg.conf
Alias /mrtg /var/www/mrtg
<Location /mrtg>
Order deny,allow
Deny from all
Allow from 127.0.0.1 修改成--> Allow from 192.168.1.0/255.255.255.0
Allow from ::1
# Allow from .example.com
</Location>
/etc/rc.d/init.d/httpd restart
測試：http://IP/mrtg/web/
定時更新：more /etc/cron.d/mrtg
MRTG 官方文件：[url=http://oss.oetiker.ch/mrtg/doc/]http://oss.oetiker.ch/mrtg/doc/[/url]
參考：[url=http://forum.icst.org.tw/phpBB2/viewtopic.php?t=13689]http://forum.icst.org.tw/phpBB2/viewtopic.php?t=13689[/url]