<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML><HEAD> <META http-equiv=Content-Type content="text/html; charset=iso-8859-1"> <META content="MSHTML 6.00.2800.1106" name=GENERATOR> <STYLE></STYLE> </HEAD> <BODY bgColor=#ffffff> <DIV><FONT face=Arial size=2> <DIV><FONT face=Arial size=2>Hi there, </FONT></DIV> <DIV><FONT face=Arial size=2></FONT> </DIV> <DIV>I got the NRPE daemon running fine and installed the plugins on the remote machine and tested them with the "nagios" user, so they all work locally on the remote machine. $USER1$ points to the libexec directory with the check_nrpe plugin in it: -</DIV> <DIV> </DIV> <DIV>$USER1$=/usr/local/nagios/libexec</DIV> <DIV> </DIV> <DIV><FONT face=Arial size=2>I am trying to use check_disk with a remote host using NRPE and I've setup up the command definitions in the nrpe.cfg file to not use parameters like so: -</FONT></DIV> <DIV><FONT face=Arial size=2><FONT size=2></FONT></FONT> </DIV> <DIV><FONT face=Arial size=2><FONT size=2>command[check_disk_root]=/usr/local/nagios/libexec/check_disk -w 50% -c 25% -p /</FONT></FONT></DIV> <DIV><FONT face=Arial size=2><FONT size=2></FONT></FONT> </DIV> <DIV><FONT face=Arial size=2><FONT size=2>I've set up my command definition for check_nrpe like this: -</FONT></FONT></DIV> <DIV><FONT face=Arial size=2><FONT size=2><FONT size=2></FONT></FONT></FONT> </DIV> <DIV><FONT face=Arial size=2><FONT size=2><FONT size=2>define command {</FONT></FONT></FONT></DIV> <DIV> command_name check_nrpe</DIV> <DIV> command_line $USER1$/check_nrpe -H %HOSTADRESS$ -c $ARGS1$</DIV> <DIV><FONT face=Arial size=2><FONT size=2><FONT size=2>}</FONT></FONT></FONT></DIV> <DIV><FONT face=Arial size=2><FONT size=2><FONT size=2></FONT></FONT></FONT> </DIV> <DIV>and my remote service like this: -</DIV> <DIV> </DIV> <DIV><FONT face=Arial size=2><FONT size=2><FONT size=2>define service {</FONT></FONT></FONT></DIV> <DIV> use generic-check-disk</DIV> <DIV> name remote-root-part-service</DIV> <DIV> service_description Root Partition NRPE</DIV> <DIV> check_command check_nrpe!check_disk_root</DIV> <DIV> register 0</DIV> <DIV><FONT face=Arial size=2><FONT size=2><FONT size=2>}</FONT></FONT></FONT></DIV> <DIV><FONT face=Arial size=2><FONT size=2><FONT size=2></FONT></FONT></FONT> </DIV> <DIV><FONT face=Arial size=2><FONT size=2><FONT size=2>and linked to an actual host with this: -</FONT></FONT></FONT></DIV> <DIV><FONT face=Arial size=2><FONT size=2><FONT size=2></FONT></FONT></FONT> </DIV> <DIV><FONT face=Arial size=2><FONT size=2><FONT size=2>define service {</FONT></FONT></FONT></DIV> <DIV> use remote-root-part-service</DIV> <DIV> host_name 252</DIV> <DIV><FONT face=Arial size=2><FONT size=2><FONT size=2>}</FONT></FONT></FONT></DIV> <DIV><FONT face=Arial size=2><FONT size=2><FONT size=2></FONT></FONT></FONT> </DIV> <DIV><FONT face=Arial size=2><FONT size=2><FONT size=2>...which all works fine and I've checked it with the -v flag on Nagios. </FONT></FONT></FONT></DIV> <DIV><FONT face=Arial size=2><FONT size=2><FONT size=2></FONT></FONT></FONT> </DIV> <DIV><FONT face=Arial size=2><FONT size=2><FONT size=2>If I switch to the Nagios user "nagios" and execute this command from the shell, it works fine: -</FONT></FONT></FONT></DIV> <DIV><FONT face=Arial size=2><FONT size=2><FONT size=2></FONT></FONT></FONT> </DIV> <DIV>[root@localhost libexec]# ./check_nrpe -H <remote ip address> -c check_disk_root<BR>DISK OK [725088 kB (73%) free on /dev/sda8]<BR></DIV> <DIV><FONT face=Arial size=2><FONT size=2><FONT size=2>....but I always get an orange Unknown for all remote services through the web interface with "no output returned from plugin". </FONT></FONT></FONT></DIV> <DIV><FONT face=Arial size=2><FONT size=2><FONT size=2></FONT></FONT></FONT> </DIV> <DIV><FONT face=Arial size=2><FONT size=2><FONT size=2>Help! I've tried absolutely everything I can think of. Nagios doesn't seem to complain, the NRPE daemon is running and I can execute all plugins locally and also remote through the shell. </FONT></FONT></FONT></DIV> <DIV><FONT face=Arial size=2><FONT size=2><FONT size=2></FONT></FONT></FONT> </DIV> <DIV><FONT face=Arial size=2><FONT size=2><FONT size=2>At the end of my rope here. Advice?</DIV></FONT></FONT></FONT></FONT></DIV></BODY></HTML>