<html xmlns:v="urn:schemas-microsoft-com:vml" xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns="http://www.w3.org/TR/REC-html40"> <head> <meta http-equiv=Content-Type content="text/html; charset=us-ascii"> <meta name=Generator content="Microsoft Word 11 (filtered medium)">  <style>  </style> </head> <body lang=EN-US link=blue vlink=purple> <div class=Section1> When you ran it by hand as nagios user, did you include all relevant arguments?<o:p></o:p> /opt/nagios/plugins/check_snmp_load.pl –H x.x.x.x –C public –w 2,2,3 –c 3,3,4 –L<o:p></o:p> <o:p> </o:p> Another trick to verify that you’re running it by hand correctly is to do <o:p></o:p> define command{<o:p></o:p> command_name check_linux_load<o:p></o:p> command_line echo $USER1$/check_snmp_load.pl -H $HOSTADDRESS$ -C public -w $ARG1$ -c $ARG2$ -L<o:p></o:p> } <o:p></o:p> The command will appear in the UI, and then you can run what is shown. <o:p></o:p> <o:p> </o:p> “No output from plugin” means just that. Nagios is expecting some kind of statement about the check. Your check is not outputting anything. You’re getting a difference between running by hand and running automatically. Get those to be the same, it’ll be easier to track down.<o:p></o:p> <o:p> </o:p> -Lori<o:p></o:p> <o:p> </o:p> <div> <div class=MsoNormal align=center style='margin-left:.5in;text-align:center'> <hr size=2 width="100%" align=center tabindex=-1> </div> From: nagios-users-admin@lists.sourceforge.net [mailto:nagios-users-admin@lists.sourceforge.net] On Behalf Of Dennis Hopp Sent: Monday, August 22, 2005 3:54 PM To: nagios-users@lists.sourceforge.net Subject: [Nagios-users] Perl plugins: No output from plugin<o:p></o:p> </div> <o:p> </o:p> I’m trying to use the check_snmp_load.pl and check_snmp_storage.pl<o:p></o:p> <o:p></o:p> I can run the plugin from the command line (as both root and nagios user) and get the right results but when it’s fired off automatically I keep getting “No output from plugin”.<o:p></o:p> <o:p></o:p> Here are the relevant config:<o:p></o:p> <o:p></o:p> define service{<o:p></o:p> use generic-service<o:p></o:p> hostgroup_name LinuxServers<o:p></o:p> service_description LOAD<o:p></o:p> is_volatile 0<o:p></o:p> check_period 24x7<o:p></o:p> max_check_attempts 3<o:p></o:p> normal_check_interval 5<o:p></o:p> retry_check_interval 1<o:p></o:p> contact_groups domain-admins<o:p></o:p> check_command check_linux_load!2,2,3!3,3,4<o:p></o:p> }<o:p></o:p> <o:p></o:p> <o:p></o:p> define command{<o:p></o:p> command_name check_linux_load<o:p></o:p> command_line $USER1$/check_snmp_load.pl -H $HOSTADDRESS$ -C public -w $ARG1$ -c $ARG2$ -L<o:p></o:p> }<o:p></o:p> <o:p> </o:p> <o:p></o:p> $USER1$=/opt/nagios/plugins<o:p></o:p> <o:p></o:p> [root@cartier plugins]# ls -l /opt/nagios/plugins/check_snmp_load.pl<o:p></o:p> -rwxr-xr-x 1 root root 14168 Aug 22 12:42 /opt/nagios/plugins/check_snmp_load.pl<o:p></o:p> <o:p></o:p> Thanks,<o:p></o:p> <o:p></o:p> --Dennis<o:p></o:p> <![if !supportLists]>· <![endif]>"Privileged/Confidential Information of Communications Supply Corp. may be contained in this message. If you are not the addressee of this message, you may not copy, use or deliver this message to anyone. In such event, you should destroy the message and kindly notify the sender by reply e-mail. It is understood that opinions or conclusions that do not relate to the official business of Communications Supply Corp. are neither given nor endorsed by Communications Supply Corp."<o:p></o:p> <div> <o:p></o:p> </div> <o:p></o:p> </div> </body> </html>