[mrtg] Re: Perl Paths

Butch Kemper kemper at bihs.net
Fri Nov 5 18:30:05 MET 1999

At 04:51 PM 11/04/1999 , you wrote:

>I'm trying to get the PM3Lines.pl script to work with MRTG 2.7.4 in
>FreeBSD 3.2.  It works great from the command line, but when I try to run
>it from a config file I get
>Can't locate SNMP_Session.pm in @INC (@INC contains:
>/usr/libdata/perl/5.00503/mach /usr/libdata/perl/5.00503
>/usr/local/lib/perl5/site_perl/5.005 .) at /usr/local/mrtg/run/PM3Lines.pl
>BEGIN failed--compilation aborted at /usr/local/mrtg/run/PM3Lines.pl line
>Could not get any data from external command
>I tried adding push(@INC, "/usr/local/mrtg/run"); to the perl script, but
>mrtg still can't find SNMP_Session.pm.  How do I get MRTG to add
>/usr/local/mrtg/run to its path?

Do not change the Perl scripts.

I think you have a PATH problem when you run MRTG from CRON.  Try doing one 
of these things:

         1.  In the call from CRON, run MRTG as a user that has
             /usr/local/mrtg/run in its path.

         2.  In the call from CRON do this:

                 (cd /usr/local/mrtg/run; mrtg mrtg.cfg)


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