Steve Leggett is the owner of WebHostGear.com and Wave Point Media Inc. He use to run and own his own web hosting company, Tower Host, which was recently sold. Steve now specializes in server administration and web development.
What is the Multi Router Traffic Grapher (MRTG)?
The Multi Router Traffic Grapher (MRTG) is a tool to monitor the traffic load on network-links. MRTG generates HTML pages containing graphical images which provide a LIVE visual representation of this traffic. Check http://www.ee.ethz.ch/stats/mrtg/ for an example. MRTG is based on Perl and C and works under UNIX and Windows NT.
Cheetaweb has made the following packages available for MRTG integration on Ensim 3.7 servers.
Downloadables:
Fedora Core 1
http://www.download.cheetaweb.com/fedora/1/mrtg/mrtg-2.10.5-1.0.rhfc1.ct.i386.rpm
RH Enterprise Linux 3
http://www.download.cheetaweb.com/redhat/EL3/mrtg/mrtg-2.10.5-1.0.rhel3.ct.i386.rpm
Installing MRTG
Step 1. Login to your server through SSH and su - to the root user.
Step 2. Download it to your server
wget filename - replace this with whichever version of Linux link you are running above.
Step 3. Install the RPM
rpm -Uvh mrtg-2.10.5*.rpm
Running the MRTG application
Step 1. Restart the webserver - usually
/etc/init.d/httpd restart
Step 2. You will need to start mrtg via
/etc/init.d/mrtg start
Step 3. To set MRTG to autostart run:
chkconfig mrtg on
Suggestions
By default the config only allows access from localhost - i.e. you can links http://localhost/mrtg/ from the server itself and it will work.
If you want to change this, you edit the /etc/httpd/conf.d/mrtg file - i.e.
nano /etc/httpd/conf.d/mrtg
and change the Allow line to include your one IP address; for example, if you want it to allow anyone across the world to access it (note that has information disclosure implications), you can set it to:
Deny from none
Allow from all
Common Errors
Errors on starting the MRTG monitor, what do I do?
Restart MRTG 3 times - trust me this will fix it!
/etc/init.d/mrtg restart - wait a few minutes before repeating each one.
I'm getting locales settings errors?
Edit the file: pico /etc/sysconfig/i18n
#LANG="en_US.UTF-8"
LANG="C /usr/bin/mrtg"
should be
LANG="en_US"
Save the changes Ctrl + X then Y
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| By : ramprage | Rating :
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Views: 14042 | Date: April 15, 2004 |
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