Can't locate Net/SNMP.pm in @INC When Running check_ifstatus

[Andrew Davis]

As root, try "perl -MCPAN -e shell" then "install Net::SNMP". You may 
want to first do "install Bundle::CPAN", then "install Net::SNMP". Also 
open up the test script (assuming its not a compiled binary) and check 
for all the "use" lines and make sure they're installed. For example, 
from another script I saw:

use strict;
use Net::SNMP;
use Getopt::Long;

So my steps were:

     >sudo su -
    perl -MCPAN -e shell
    install Bundle::CPAN
    reload cpan
    reload index
    install Net::SNMP
    install Getopt::Long

For each, I installed prereq's where prompted...

Also, depending on your OS, you may want to update the OS first before 
doing the above. For example, with CentOS, an "yum -y update" is good 
practice every now and then... keeps you nice and current. But keep in 
mind that anything built against a specific package may fail (last time 
I did this, Cacti choked as it was built against a specific version of a 
library and needed to be recompiled).

Other common perl modules to consider include DBI, DBD::mysql, etc...

Oh, and put the Net::SNMP line that you changed back... unfortunately, 
the output of your RPM query is showing the SNMP programs themselves. 
The script you're using is looking for the Perl module Net::SNMP. 
net-snmp and Net::SNMP are two completely different things, yet often 
times codependent.

Hope this helps...

  A. Davis
  Email:     nccomp at gmail.com

  "There is no limit to what a man can accomplish
   if he doesn't care who gets the credit." - Ronald Reagan



Martin Fontanez wrote:
>
>     From: Martin Fontanez <jdmfontz at yahoo.com>
>     Subject: Can't locate Net/SNMP.pm in @INC When Running check_ifstatus
>     To: Nagios-users at lists.sourceforge.net
>     Date: Monday, May 18, 2009, 3:46 PM
>
>     I am getting this error and not certain what gives.  Tried various
>     solutions including creating a link to ../net dir but still
>     get errors.  I did yum installs of relevant *snmp* packages.  Is
>     there a standard fix for this error?
>      
>     1 - [root at localhost libexec]# ./check_ifstatus -H localhost
>     Can't locate Net/SNMP.pm in @INC (@INC contains:
>     /usr/local/nagios/libexec
>     /usr/lib/perl5/site_perl/5.8.8/i386-linux-thread-multi
>     /usr/lib/perl5/site_perl/5.8.7/i386-linux-thread-multi
>     /usr/lib/perl5/site_perl/5.8.6/i386-linux-thread-multi
>     /usr/lib/perl5/site_perl/5.8.5/i386-linux-thread-multi
>     /usr/lib/perl5/site_perl/5.8.8 /usr/lib/perl5/site_perl/5.8.7
>     /usr/lib/perl5/site_perl/5.8.6 /usr/lib/perl5/site_perl/5.8.5
>     /usr/lib/perl5/site_perl
>     /usr/lib/perl5/vendor_perl/5.8.8/i386-linux-thread-multi
>     /usr/lib/perl5/vendor_perl/5.8.7/i386-linux-thread-multi
>     /usr/lib/perl5/vendor_perl/5.8.6/i386-linux-thread-multi
>     /usr/lib/perl5/vendor_perl/5.8.5/i386-linux-thread-multi
>     /usr/lib/perl5/vendor_perl/5.8.8 /usr/lib/perl5/vendor_perl/5.8.7
>     /usr/lib/perl5/vendor_perl/5.8.6 /usr/lib/perl5/vendor_perl/5.8.5
>     /usr/lib/perl5/vendor_perl
>     /usr/lib/perl5/5.8.8/i386-linux-thread-multi /usr/lib/perl5/5.8.8
>     .) at ./check_ifstatus line 39.
>     BEGIN failed--compilation aborted at ./check_ifstatus line 39.
>     2 - SNMP.pm is (not on @INC path, but created a link to ...Net/)
>     on the following location: 
>     [root at localhost libexec]# find / -name SNMP.pm
>     /usr/lib/perl5/vendor_perl/5.8.8/i386-linux-thread-multi/SNMP.pm
>     [root at localhost libexec]#
>      
>     3 - Looks like I got relevant rpm installed:
>     [root at localhost libexec]# rpm -qa | grep -i snmp
>     net-snmp-libs-5.3.2.2-5.el5
>     net-snmp-perl-5.3.2.2-5.el5
>     net-snmp-5.3.2.2-5.el5
>     [root at localhost libexec]#
>     4.  Edited the file ../check_ifconfig  and replaced "use
>     Net::SNMP;" with use "SNMP;" but that created other errors.
>      
>      
>      
>      
>
>
>
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