Here are some things to check -- * Check that MRTG is actually running ( maybe you have cron problems, is cron active?) * Look at the last-update times on the .png files, are they changing? * Check your server's clock is set correctly (including the timezone!) else browser cache might stop the images reloading. Also, make sure you have either a .htaccess file specifying cache timeouts, or else have your browser set to cache correctly (MSIE can sometimes use an aggressive caching mode that doesnt check for changes every time) * If the image files are not updating, and cron is running, try running MRTG interactively -- is it producing any errors? * Check the file ownerships -- maybe they are owned by root, but you are running the MRTG as an mrtg user which doesnt have write permission to the directory or files.
Steve Steve Shipway University of Auckland ITS UNIX Systems Design Lead [email protected]<mailto:[email protected]> Ph: +64 9 373 7599 ext 86487 ________________________________ From: [email protected] [[email protected]] on behalf of Tobias Dinse [[email protected]] Sent: Tuesday, 28 December 2010 11:29 p.m. To: [email protected] Subject: [mrtg] mrtg snmp problem Hi @all, I ve tried to config MRTG to get the number of all connected calls from our telephone system (patton smartnode) over SNMP. I generated a config file by using cfgmaker --global "WorkDir: /var/www/mrtg" --output /etc/mrtg/isdn_zaehler.cfg [email protected] I opened isdn_zaehler.cfg and did some changes. Here is the actual configfile: # for UNIX # WorkDir: /home/http/mrtg # for Debian WorkDir: /var/www/mrtg # or for NT # WorkDir: c:\mrtgdata ### Global Defaults # to get bits instead of bytes and graphs growing to the right # Options[_]: growright, bits EnableIPv6: no WorkDir: /var/www/mrtg Target[sn4552isdncounter]: 1.3.6.1.4.1.1768.100.70.40.2.1.2.2&1.3.6.1.4.1.1768.100.70.40.2.1.2.2:[email protected] # SetEnv[sn4552isdncounter]: MRTG_INT_IP="" MRTG_INT_DESCR="ethernet-0-0-1" MaxBytes[sn4552isdncounter]: 2 Title[sn4552isdncounter]: ISDN Channels PageTop[sn4552isdncounter]: <h1>active ISDN Channels </h1> <div id="sysdetails"> <table> <tr> <td>System:</td> <td>Buero</td> </tr> <tr> <td>Maintainer:</td> <td>[email protected]</td> </tr> <tr> <td>Description:</td> <td>SNMP ISDN Counter </td> </tr> <tr> <td>ifType:</td> <td>ISDN Bri Channel Counter</td> </tr> <tr> <td>ifName:</td> <td></td> </tr> <tr> <td>Max Speed:</td> <td>2 Channels</td> </tr> </table> </div> If i browse to http://localhost/mrtg i can see some graphics but there are always the same. Cron entry is set and work. Running mrtg with isdn_zaehler.cfg shows no errors. I hope there is an error in the cfg file and someone can help me thanks & cu Tobias D.
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