[mrtg] FW: MRTG not running by default after reboot

Joel Roberts Joel.Roberts at pinkardcc.com
Wed May 15 23:29:01 CEST 2013

I’ve removed the if statements, have just:

0/55/5 * * * * root env LANG=C /usr/bin/mrtg /etc/mrtg.cfg

In the file now, and get the following error:

Mrtg will most likely not work properly when the environment variable LANG is set to UTF-8. Please run mrtg in an environment where this is not the case. Try the following command to start:

env LANG=C /usr/bin/mrtg

Which is what I have in the mrtg file?

Thank you,


From: Simon Westlake [mailto:simon.westlake at digitalgunfire.com]
Sent: Wednesday, May 15, 2013 3:04 PM
To: Joel Roberts
Subject: Re: [mrtg] MRTG not running by default after reboot

Do the if statements in the cron evaluate to true?
Is there anything in mrtg.log?

On Wed, May 15, 2013 at 3:52 PM, Joel Roberts <Joel.Roberts at pinkardcc.com<mailto:Joel.Roberts at pinkardcc.com>> wrote:
Just did a new install of mrtg, been a while since I’d done one so jumped through some hoops to get the index pages just the way I wanted them, but now when rebooting the server (Debian Linux 6), mrtg doesn’t run on its own, I have to execute:

env LANG=C /usr/bin/mrtg /etc/mrtg.cfg

from the terminal to get it to start graphing again. I checked in /etc/cron.d, the mrtg file is there with the following entry:

0-55/5 * * * * root if [ -x /usr/bin/mrtg ] && [ -r /etc/mrtg.cfg ]; then env LANG=C /usr/bin/mrtg /etc/mrtg.cfg >> /var/log/mrtg/mrtg.log 2>&1; fi

The log file listed in the cron job hasn’t been updated in 2 days either, even after manually starting mrtg. Any help in getting it to run automatically would be greatly appreciated.

Thanks in advance,


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- Simon Westlake
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