<!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 5.50.4611.1300" name=GENERATOR> <STYLE></STYLE> </HEAD> <BODY bgColor=#ffffff> <DIV><SPAN class=991093121-16012003><FONT face="Comic Sans MS" color=#000080 size=2>You might want to set "debug=1" in nrpe.cfg, retry some tests, then take a look at your syslog output.</FONT></SPAN></DIV> <DIV><SPAN class=991093121-16012003><FONT face="Comic Sans MS" color=#000080 size=2></FONT></SPAN> </DIV> <DIV><SPAN class=991093121-16012003><FONT face="Comic Sans MS" color=#000080 size=2>jc</FONT></SPAN></DIV> <BLOCKQUOTE dir=ltr style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #000080 2px solid; MARGIN-RIGHT: 0px"> <DIV class=OutlookMessageHeader dir=ltr align=left><FONT face=Tahoma size=2>-----Original Message-----<BR><B>From:</B> Justin [mailto:justin@pvamu.edu]<BR><B>Sent:</B> Thursday, January 16, 2003 3:29 PM<BR><B>To:</B> Carroll, Jim P [Contractor]<BR><B>Subject:</B> Re: [Nagios-users] nrpe<BR><BR></FONT></DIV> <DIV><FONT face=Arial size=2> <DIV><FONT face=Arial size=2>I ran the command.</FONT></DIV> <DIV><FONT face=Arial size=2></FONT> </DIV> <DIV><FONT face=Arial size=2>[root@antispam src]# /usr/local/nagios/libexec/check_users -w 5 -c 10<BR>USERS WARNING - 6 users currently logged in</FONT></DIV> <DIV><FONT face=Arial size=2></FONT> </DIV> <DIV><FONT face=Arial size=2>[root@antispam src]# ./check_nrpe -H 127.0.0.1 -c check_nrpe_status<BR>CHECK_NRPE: Error receiving data from host.<BR>[root@antispam src]# ./check_nrpe -H 127.0.0.1 -c check_nrpe_status<BR>CHECK_NRPE: Error receiving data from host.<BR>[root@antispam src]# ./check_nrpe -H 129.207.59.33 -c check_nrpe_status<BR>CHECK_NRPE: Error receiving data from host.<BR>[root@antispam src]# ./check_nrpe -H 129.207.59.33 -c check_nrpe_status<BR>CHECK_NRPE: Error receiving data from host.<BR></FONT></DIV> <DIV><FONT face=Arial size=2></FONT> </DIV> <DIV><FONT face=Arial size=2>I added it to the config and restart xinetd and made sure it was running too. I made sure it was running too</FONT></DIV> <DIV><FONT face=Arial size=2></FONT> </DIV> <DIV><FONT face=Arial size=2>[root@antispam src]# netstat -plant | grep 5666<BR>tcp 0 0 0.0.0.0:5666 0.0.0.0:* LISTEN 6182/xinetd<BR>[root@antispam src]# ps -aux | grep nrpe<BR>root 6297 0.0 0.4 3276 628 pts/0 S 15:33 0:00 grep nrpe<BR>[root@antispam src]#<BR></FONT></DIV> <DIV><FONT face=Arial size=2></FONT> </DIV> <DIV><FONT face=Arial size=2>Thanks for the help Jim</FONT></DIV> <DIV><FONT face=Arial size=2></FONT> </DIV> <DIV><FONT face=Arial size=2>Justin Wedeking</FONT></DIV> <DIV><FONT face=Arial size=2>Info Tech<BR></DIV></FONT></FONT></DIV> <BLOCKQUOTE dir=ltr style="PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #000000 2px solid; MARGIN-RIGHT: 0px"> <DIV style="FONT: 10pt arial">----- Original Message ----- </DIV> <DIV style="BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: black"><B>From:</B> <A title=jcarro10@sprintspectrum.com href="mailto:jcarro10@sprintspectrum.com">Carroll, Jim P [Contractor]</A> </DIV> <DIV style="FONT: 10pt arial"><B>To:</B> <A title=justin@pvamu.edu href="mailto:justin@pvamu.edu">'Justin'</A> </DIV> <DIV style="FONT: 10pt arial"><B>Cc:</B> <A title=nagios-users@lists.sourceforge.net href="mailto:nagios-users@lists.sourceforge.net">Nagios-Users (E-mail)</A> </DIV> <DIV style="FONT: 10pt arial"><B>Sent:</B> Thursday, January 16, 2003 1:43 PM</DIV> <DIV style="FONT: 10pt arial"><B>Subject:</B> RE: [Nagios-users] nrpe</DIV> <DIV><BR></DIV> <DIV><SPAN class=428493819-16012003><FONT face="Comic Sans MS" color=#000080 size=2>And what happens when you login to the client which is running NRPE, su to nagios, then run the following manually:</FONT></SPAN></DIV> <DIV><SPAN class=428493819-16012003><FONT face="Comic Sans MS" color=#000080 size=2></FONT></SPAN> </DIV> <DIV><SPAN class=428493819-16012003><FONT face="Comic Sans MS" color=#000080 size=2> /usr/local/nagios/libexec/check_users -w 5 -c 10</FONT></SPAN></DIV> <DIV><SPAN class=428493819-16012003><FONT face="Comic Sans MS" color=#000080 size=2></FONT></SPAN> </DIV> <DIV><SPAN class=428493819-16012003><FONT face="Comic Sans MS" color=#000080 size=2>While we're at it, add this to your nrpe.cfg:</FONT></SPAN></DIV> <DIV><SPAN class=428493819-16012003><FONT face="Comic Sans MS" color=#000080 size=2></FONT></SPAN> </DIV> <DIV><SPAN class=428493819-16012003><FONT face="Comic Sans MS" color=#000080 size=2> command[check_nrpe_status]=echo "OK - NRPE is alive"<BR></FONT></SPAN></DIV> <DIV><SPAN class=428493819-16012003><FONT face="Comic Sans MS" color=#000080 size=2>then at the prompt, try this:</FONT></SPAN></DIV> <DIV><SPAN class=428493819-16012003><FONT face="Comic Sans MS" color=#000080 size=2></FONT></SPAN> </DIV> <DIV><SPAN class=428493819-16012003><FONT face="Comic Sans MS" color=#000080 size=2> ./check_nrpe -H 127.0.0.1 -c check_nrpe_status</FONT></SPAN></DIV> <DIV><SPAN class=428493819-16012003><FONT face="Comic Sans MS" color=#000080 size=2></FONT></SPAN> </DIV> <DIV><SPAN class=428493819-16012003><FONT face="Comic Sans MS" color=#000080 size=2>If you get "OK - NRPE is alive", then go to your Nagios server and try:</FONT></SPAN></DIV> <DIV><SPAN class=428493819-16012003><FONT face="Comic Sans MS" color=#000080 size=2></FONT></SPAN> </DIV> <DIV><SPAN class=428493819-16012003><FONT face="Comic Sans MS" color=#000080 size=2> ./check_nrpe -H 129.207.59.33 -c check_nrpe_status</FONT></SPAN></DIV> <DIV><SPAN class=428493819-16012003><FONT face="Comic Sans MS" color=#000080 size=2></FONT></SPAN> </DIV> <DIV><SPAN class=428493819-16012003><FONT face="Comic Sans MS" color=#000080 size=2>and see how that goes. (I'm assuming that's the correct IP address.)</FONT></SPAN></DIV> <DIV><SPAN class=428493819-16012003><FONT face="Comic Sans MS" color=#000080 size=2></FONT></SPAN> </DIV> <DIV><SPAN class=428493819-16012003><FONT face="Comic Sans MS" color=#000080 size=2>jc</DIV></FONT></SPAN> <BLOCKQUOTE dir=ltr style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #000080 2px solid; MARGIN-RIGHT: 0px"> <DIV class=OutlookMessageHeader dir=ltr align=left><FONT face=Tahoma size=2>-----Original Message-----<BR><B>From:</B> Justin [mailto:justin@pvamu.edu]<BR><B>Sent:</B> Thursday, January 16, 2003 1:34 PM<BR><B>To:</B> Carroll, Jim P [Contractor]<BR><B>Subject:</B> Re: [Nagios-users] nrpe<BR><BR></FONT></DIV> <DIV><FONT face=Arial size=2>Yes.</FONT></DIV> <DIV> </DIV> <DIV><FONT face=Arial size=2>[root@antispam src]# telnet localhost 5666<BR>Trying 127.0.0.1...<BR>Connected to localhost.<BR>Escape character is '^]'.<BR>Connection closed by foreign host.<BR>[root@antispam src]#<BR></FONT></DIV> <BLOCKQUOTE dir=ltr style="PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #000000 2px solid; MARGIN-RIGHT: 0px"> <DIV style="FONT: 10pt arial">----- Original Message ----- </DIV> <DIV style="BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: black"><B>From:</B> <A title=jcarro10@sprintspectrum.com href="mailto:jcarro10@sprintspectrum.com">Carroll, Jim P [Contractor]</A> </DIV> <DIV style="FONT: 10pt arial"><B>To:</B> <A title=justin@pvamu.edu href="mailto:justin@pvamu.edu">'Justin'</A> </DIV> <DIV style="FONT: 10pt arial"><B>Cc:</B> <A title=nagios-users@lists.sourceforge.net href="mailto:nagios-users@lists.sourceforge.net">Nagios-Users (E-mail)</A> </DIV> <DIV style="FONT: 10pt arial"><B>Sent:</B> Thursday, January 16, 2003 12:44 PM</DIV> <DIV style="FONT: 10pt arial"><B>Subject:</B> RE: [Nagios-users] nrpe</DIV> <DIV><BR></DIV> <DIV><SPAN class=075594318-16012003><FONT face="Comic Sans MS" color=#000080 size=2>Can you telnet to port 5666 on your client?</FONT></SPAN></DIV> <BLOCKQUOTE dir=ltr style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #000080 2px solid; MARGIN-RIGHT: 0px"> <DIV class=OutlookMessageHeader dir=ltr align=left><FONT face=Tahoma size=2>-----Original Message-----<BR><B>From:</B> Justin [<A href="mailto:justin@pvamu.edu">mailto:justin@pvamu.edu</A>]<BR><B>Sent:</B> Thursday, January 16, 2003 11:46 AM<BR><B>To:</B> Carroll, Jim P [Contractor]<BR><B>Subject:</B> Re: [Nagios-users] nrpe<BR><BR></FONT></DIV> <DIV><FONT face=Arial size=2>This is what my nrpe config looks like.</FONT></DIV> <DIV><FONT face=Arial size=2></FONT> </DIV> <DIV><FONT face=Arial size=2>command[check_users]=/usr/local/nagios/libexec/check_users -w 5 -c 10<BR>command[check_load]=/usr/local/nagios/libexec/check_load -w 15,10,5 -c 30,25,20<BR>command[check_disk1]=/usr/local/nagios/libexec/check_disk -w 20 -c 10 -p /dev/hda1<BR>command[check_disk2]=/usr/local/nagios/libexec/check_disk -w 20 -c 10 -p /dev/hdb1<BR>command[check_zombie_procs]=/usr/local/nagios/libexec/check_procs -w 5 -c 10 -s Z<BR>command[check_total_procs]=/usr/local/nagios/libexec/check_procs -w 150 -c 200<BR></FONT></DIV> <DIV><FONT face=Arial size=2></FONT> </DIV> <DIV><FONT face=Arial size=2>Here is my xinetd script </FONT></DIV> <DIV><FONT face=Arial size=2></FONT> </DIV> <DIV><FONT face=Arial size=2> # default: on<BR> # description: NRPE<BR> service nrpe<BR> {<BR> flags = REUSE<BR> socket_type = stream<BR> wait = no<BR> user = nagios<BR> server = /usr/sbin/nrpe<BR> server_args = -i /usr/local/nagios/etc/nrpe.cfg<BR> log_on_failure += USERID<BR> disable = no<BR> only_from = 129.207.59.31 129.207.59.33 127.0.0.1</FONT></DIV> <DIV><FONT face=Arial size=2></FONT> </DIV> <DIV><FONT face=Arial size=2>Here is the error</FONT></DIV> <DIV><FONT face=Arial size=2></FONT> </DIV> <DIV><FONT face=Arial size=2>[root@antispam src]# ./check_nrpe -H 129.207.59.33 -p 5666 -c check_users<BR>CHECK_NRPE: Error receiving data from host.<BR></FONT></DIV> <DIV><FONT face=Arial size=2>Thanks for the help Jim</FONT></DIV> <DIV><FONT face=Arial size=2></FONT> </DIV> <DIV><FONT face=Arial size=2>Justin Wedeking</FONT></DIV> <DIV><FONT face=Arial size=2>Info Tech<BR></DIV></FONT> <BLOCKQUOTE dir=ltr style="PADDING-RIGHT: 0px; PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #000000 2px solid; MARGIN-RIGHT: 0px"> <DIV style="FONT: 10pt arial">----- Original Message ----- </DIV> <DIV style="BACKGROUND: #e4e4e4; FONT: 10pt arial; font-color: black"><B>From:</B> <A title=jcarro10@sprintspectrum.com href="mailto:jcarro10@sprintspectrum.com">Carroll, Jim P [Contractor]</A> </DIV> <DIV style="FONT: 10pt arial"><B>To:</B> <A title=justin@pvamu.edu href="mailto:justin@pvamu.edu">'Justin'</A> ; <A title=nagios-users@lists.sourceforge.net href="mailto:nagios-users@lists.sourceforge.net">Nagios Users</A> </DIV> <DIV style="FONT: 10pt arial"><B>Sent:</B> Wednesday, January 15, 2003 5:24 PM</DIV> <DIV style="FONT: 10pt arial"><B>Subject:</B> RE: [Nagios-users] nrpe</DIV> <DIV><BR></DIV> <DIV><SPAN class=036202423-15012003><FONT face="Comic Sans MS" color=#000080 size=2>Do you have check_ping defined in the nrpe.cfg file of the client host?</FONT></SPAN></DIV> <DIV><SPAN class=036202423-15012003><FONT face="Comic Sans MS" color=#000080 size=2></FONT></SPAN> </DIV> <DIV><SPAN class=036202423-15012003><FONT face="Comic Sans MS" color=#000080 size=2>jc</FONT></SPAN></DIV> <BLOCKQUOTE dir=ltr style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #000080 2px solid; MARGIN-RIGHT: 0px"> <DIV class=OutlookMessageHeader dir=ltr align=left><FONT face=Tahoma size=2>-----Original Message-----<BR><B>From:</B> Justin [<A href="mailto:justin@pvamu.edu">mailto:justin@pvamu.edu</A>]<BR><B>Sent:</B> Wednesday, January 15, 2003 8:55 AM<BR><B>To:</B> Nagios Users<BR><B>Subject:</B> [Nagios-users] nrpe<BR><BR></FONT></DIV> <DIV><FONT face=Arial size=2>I check the recent messages to make sure my question had not been answered. But what is the common cause ofthis error? The nrpe dameon is running on the remote host, and plugins are up to date etc.</FONT></DIV> <DIV><FONT face=Arial size=2>Thanks</FONT></DIV> <DIV><FONT face=Arial size=2></FONT> </DIV> <DIV><FONT face=Arial size=2></FONT> </DIV> <DIV><FONT face=Arial size=2>snatch:/usr/local/nrpe-1.7/src# ./check_nrpe -H antispam.pvamu.edu -c check_ping<BR>CHECK_NRPE: Error receiving data from host.<BR></FONT></DIV> <DIV><FONT face=Arial size=2></FONT> </DIV> <DIV><FONT face=Arial size=2>Justin Wedeking</FONT></DIV> <DIV><FONT face=Arial size=2>Info Tech</DIV></BLOCKQUOTE></BLOCKQUOTE></BLOCKQUOTE></BLOCKQUOTE></BLOCKQUOTE></BLOCKQUOTE></BLOCKQUOTE></FONT></BODY></HTML>