<!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><FONT face="Comic Sans MS" color=#000080 size=2></FONT> </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> Atul Shrivastava [mailto:atulsh@hclinsys.com]<BR><B>Sent:</B> Thursday, December 26, 2002 7:11 AM<BR><B>To:</B> nagios-users@lists.sourceforge.net; nagiosplug-help@lists.sourceforge.net<BR><B>Subject:</B> [Nagios-users] Plugin not woeking ......<BR><B>Importance:</B> High<BR><BR></FONT></DIV> <DIV align=justify><FONT face="Courier New"><FONT color=#000080><FONT size=2>Hello All,<BR> <BR>My problem is that I want to monitor a network which consists of WinNT, 2K, Linux, Switches and routers. Can anyone tell me a way in which I can monitor all these things convenently and quickly. <SPAN class=800433922-26122002><FONT face="Comic Sans MS"> </FONT></SPAN></FONT></FONT></FONT></DIV> <DIV align=justify><FONT face="Courier New"><FONT color=#000080><FONT size=2><SPAN class=800433922-26122002></SPAN></FONT></FONT></FONT> </DIV></BLOCKQUOTE> <DIV dir=ltr align=justify><FONT face="Courier New"><FONT color=#000080><FONT size=2><SPAN class=800433922-26122002>I would recommend:</SPAN></FONT></FONT></FONT></DIV> <DIV dir=ltr align=justify><FONT face="Courier New"><FONT color=#000080><FONT size=2><SPAN class=800433922-26122002></SPAN></FONT></FONT></FONT> </DIV> <DIV dir=ltr align=justify><FONT face="Courier New"><FONT color=#000080><FONT size=2><SPAN class=800433922-26122002>- Nagios</SPAN></FONT></FONT></FONT></DIV> <DIV dir=ltr align=justify><FONT face="Courier New"><FONT color=#000080><FONT size=2><SPAN class=800433922-26122002>- Nagios plugins</SPAN></FONT></FONT></FONT></DIV> <DIV dir=ltr align=justify><FONT face="Courier New"><FONT color=#000080><FONT size=2><SPAN class=800433922-26122002>- NSClient</SPAN></FONT></FONT></FONT></DIV> <DIV dir=ltr align=justify><FONT face="Courier New"><FONT color=#000080><FONT size=2><SPAN class=800433922-26122002>- NRPE</SPAN></FONT></FONT></FONT></DIV> <BLOCKQUOTE dir=ltr style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #000080 2px solid; MARGIN-RIGHT: 0px"> <DIV align=justify><FONT face="Courier New"><FONT color=#000080><FONT size=2><SPAN class=800433922-26122002><FONT face="Comic Sans MS"> </FONT></SPAN></FONT></FONT></FONT></DIV> <DIV align=justify><FONT face="Courier New"><FONT color=#000080><FONT size=2><SPAN class=800433922-26122002> </SPAN>Basically I want to monitor these using SNMP only. Is there a way out.<SPAN class=800433922-26122002><FONT face="Comic Sans MS"> </FONT></SPAN></FONT></FONT></FONT></DIV> <DIV align=justify><FONT face="Courier New" color=#000080 size=2><SPAN class=800433922-26122002></SPAN></FONT> </DIV></BLOCKQUOTE> <DIV dir=ltr align=justify><FONT face="Courier New" color=#000080 size=2><SPAN class=800433922-26122002>In that case, don't use NSClient or NRPE. Use the check_snmp plugin.</SPAN></FONT></DIV> <BLOCKQUOTE dir=ltr style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #000080 2px solid; MARGIN-RIGHT: 0px"> <DIV align=justify><FONT face="Courier New"><FONT color=#000080><FONT size=2><SPAN class=800433922-26122002> </SPAN><BR>Further, I configured the NRPE Plugin in Linux machine but the plugin is not working correctly and the Nagios is unable to communicate to them.<SPAN class=800433922-26122002><FONT face="Comic Sans MS"> </FONT></SPAN></FONT></FONT></FONT></DIV> <DIV align=justify><FONT face="Courier New"><FONT color=#000080><FONT size=2><SPAN class=800433922-26122002></SPAN></FONT></FONT></FONT> </DIV></BLOCKQUOTE> <DIV dir=ltr align=justify><FONT face="Courier New"><FONT color=#000080><FONT size=2><SPAN class=800433922-26122002>Hmm. I thought you only wanted to use SNMP...? Is it safe to say you've decided to use NRPE too?</SPAN></FONT></FONT></FONT></DIV> <DIV dir=ltr align=justify><FONT face="Courier New"><FONT color=#000080><FONT size=2><SPAN class=800433922-26122002></SPAN></FONT></FONT></FONT> </DIV> <DIV dir=ltr align=justify><FONT face="Courier New"><FONT color=#000080><FONT size=2><SPAN class=800433922-26122002>How have you determined that Nagios isn't communicating with NRPE? Have you tried to do basic check_nrpe tests on the command line? Can you telnet to port 5666 on the client from the Nagios server? Do you have any logfile output showing the errors? Don't overwhelm us with 100KB of data, but also don't simply say "is not working correctly".</SPAN></FONT></FONT></FONT></DIV> <BLOCKQUOTE dir=ltr style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #000080 2px solid; MARGIN-RIGHT: 0px"> <DIV align=justify><FONT face="Courier New"><FONT color=#000080><FONT size=2><SPAN class=800433922-26122002> </SPAN><BR>For the WinNT, When I install NSClient in my WinNT machine, then the installation is complete and it is running in the Service but it is not making any effect on the Nagios Console.<SPAN class=800433922-26122002><FONT face="Comic Sans MS"> </FONT></SPAN></FONT></FONT></FONT></DIV> <DIV align=justify><FONT face="Courier New"><FONT color=#000080><FONT size=2><SPAN class=800433922-26122002></SPAN></FONT></FONT></FONT> </DIV></BLOCKQUOTE> <DIV dir=ltr align=justify><FONT face="Courier New"><FONT color=#000080><FONT size=2><SPAN class=800433922-26122002>I thought you only wanted to use SNMP (and NRPE)...? Is it safe to say you've decided to use NSClient too?</SPAN></FONT></FONT></FONT></DIV> <DIV dir=ltr align=justify><FONT face="Courier New"><FONT color=#000080><FONT size=2><SPAN class=800433922-26122002></SPAN></FONT></FONT></FONT> </DIV> <DIV dir=ltr align=justify><FONT face="Courier New"><FONT color=#000080><FONT size=2><SPAN class=800433922-26122002>Did you read the README file that came with NSClient? It gives you very useful examples of what you can use in your checkcommands.cfg. Granted, they're in the 'old' format, so here's one example of something that you might find useful:</SPAN></FONT></FONT></FONT></DIV> <DIV dir=ltr align=justify><FONT face="Courier New"><FONT color=#000080><FONT size=2><SPAN class=800433922-26122002></SPAN></FONT></FONT></FONT> </DIV> <DIV dir=ltr align=justify><FONT face="Courier New"><FONT color=#000080><FONT size=2><SPAN class=800433922-26122002>define command{<BR> command_name check_nt_cpuload<BR> command_line $USER1$/check_nt -H $HOSTADDRESS$ -p 1248 -v CPULOAD -s $ARG1$ -l $ARG2$<BR> }<BR></SPAN></FONT></FONT></FONT></DIV> <DIV dir=ltr align=justify><FONT face="Courier New"><FONT color=#000080><FONT size=2><SPAN class=800433922-26122002>And here's an example of something you might put in services.cfg:</SPAN></FONT></FONT></FONT></DIV> <DIV dir=ltr align=justify><FONT face="Courier New"><FONT color=#000080><FONT size=2><SPAN class=800433922-26122002></SPAN></FONT></FONT></FONT> </DIV> <DIV dir=ltr align=justify><SPAN class=800433922-26122002><FONT face="Courier New" color=#000080 size=2>define service{<BR> host_name itdmlw04<BR> use icmp<BR> service_description W2K CPULoad<BR> contact_groups windows-admins<BR> check_command check_nt_cpuload!MyPassword!10,80,95,60,80,95,1440,80,95<BR> }<BR></FONT></DIV></SPAN> <BLOCKQUOTE dir=ltr style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #000080 2px solid; MARGIN-RIGHT: 0px"> <DIV align=justify><FONT face="Courier New"><FONT color=#000080><FONT size=2><SPAN class=800433922-26122002> </SPAN></FONT></FONT></FONT></DIV> <DIV align=justify><FONT face="Courier New" color=#000080 size=2></FONT> </DIV> <DIV align=justify><FONT face="Courier New" color=#000080 size=2>Can anyone tell me the problem and why this is happening so. Also tell me what all is required on the management server (Nagios) side.<SPAN class=800433922-26122002><FONT face="Comic Sans MS"> </FONT></SPAN></FONT></DIV> <DIV align=justify><FONT face="Courier New" color=#000080 size=2><SPAN class=800433922-26122002></SPAN></FONT> </DIV></BLOCKQUOTE> <DIV dir=ltr align=justify><FONT face="Courier New" color=#000080 size=2><SPAN class=800433922-26122002><rant></SPAN></FONT></DIV> <DIV dir=ltr align=justify><FONT face="Courier New" color=#000080 size=2><SPAN class=800433922-26122002></SPAN></FONT> </DIV> <DIV dir=ltr align=justify><FONT face="Courier New" color=#000080 size=2><SPAN class=800433922-26122002>I strongly urge you to read the documentation, because otherwise that's exactly what will be regurgitated here.</SPAN></FONT></DIV> <DIV dir=ltr align=justify><FONT face="Courier New" color=#000080 size=2><SPAN class=800433922-26122002></SPAN></FONT> </DIV> <DIV dir=ltr align=justify><FONT face="Courier New" color=#000080 size=2><SPAN class=800433922-26122002>I hate to say this, but your request is too broad. You might as well be requesting, "Hi, could you please share your 15 years of UNIX sysadmin experience in 25 words or less?" You've been extremely vague on describing the problem you're experiencing, and have seemingly changed your design requirements (SNMP vs. NRPE & NSClient). You can't expect a physician to help you if you simply say, "I don't feel well," especially from halfway around the globe, and especially not if you say, "I don't want to take anything except a liquid medication" in one sentence, and then "oh by the way, I'm taking pills and haven't really read the literature regarding recommended dosage or contraindications or even if it's good for what ails me."</SPAN></FONT></DIV> <DIV dir=ltr align=justify><FONT face="Courier New" color=#000080 size=2><SPAN class=800433922-26122002></SPAN></FONT> </DIV> <DIV dir=ltr align=justify><FONT face="Courier New" color=#000080 size=2><SPAN class=800433922-26122002>Have you got Nagios to successfully monitor *anything* in your environment? If not, I suggest you put SNMP, NRPE and NSClient back on the shelf, and start out with a simple check_disk on the local Nagios host itself. Once you get that working, try having Nagios do some very basic monitoring of another host using, say, check_http, or the appropriate plugin for whatever network service you're interested in monitoring.</SPAN></FONT></DIV> <DIV dir=ltr align=justify><FONT face="Courier New" color=#000080 size=2><SPAN class=800433922-26122002></SPAN></FONT> </DIV> <DIV dir=ltr align=justify><FONT face="Courier New" color=#000080 size=2><SPAN class=800433922-26122002>Have you installed NRPE on the remote host? Did you remember to install the plugins on the remote host, too? Do they work? Are they compiled for that architecture? How are you starting the nrpe daemon? What's one line out of the nrpe.cfg file that you can give us which is clearly not working? What command line test did you do on the remote host with that very same plugin which shows that it works/doesn't work? Did you try to run check_nrpe on the remote host and connect to itself (localhost)? Can you run check_nrpe on your Nagios server (checking the remote host) with similar success?</SPAN></FONT></DIV> <DIV dir=ltr align=justify><FONT face="Courier New" color=#000080 size=2><SPAN class=800433922-26122002></SPAN></FONT> </DIV> <DIV dir=ltr align=justify><FONT face="Courier New" color=#000080 size=2><SPAN class=800433922-26122002>I could go on, but the vast majority on this list have already been there, done that.</SPAN></FONT></DIV> <DIV dir=ltr align=justify><FONT face="Courier New" color=#000080 size=2><SPAN class=800433922-26122002></SPAN></FONT> </DIV> <DIV dir=ltr align=justify><FONT face="Courier New" color=#000080 size=2><SPAN class=800433922-26122002>I'm not trying to discourage you from using Nagios; I'm a huge fan, and believe that as the number of users grows, the better the base of knowledge and experience. Try to be more explicit in your requirements/goals/problem determination (cut-paste from logfiles, for example, "X works but Y does not, and they're almost identical and here are the config descriptions for each," for another example). If a dancing giraffe wearing pink-and-green striped pyjamas suddenly appears with a marker in its mouth and draws "Host fuzzbang is down" on the wall, then this might be worth mentioning, too.</SPAN></FONT></DIV> <DIV dir=ltr align=justify><FONT face="Courier New" color=#000080 size=2><SPAN class=800433922-26122002></SPAN></FONT> </DIV> <DIV dir=ltr align=justify><FONT face="Courier New" color=#000080 size=2><SPAN class=800433922-26122002></rant></SPAN></FONT></DIV> <DIV dir=ltr align=justify><FONT face="Courier New" color=#000080 size=2><SPAN class=800433922-26122002></SPAN></FONT> </DIV> <DIV dir=ltr align=justify><FONT face="Courier New" color=#000080 size=2><SPAN class=800433922-26122002>(Incidentally, if you do have a plugin for the dancing giraffe, I'm sure there might be some interest on the list. ;-)</SPAN></FONT></DIV> <DIV dir=ltr align=justify><FONT face="Courier New" color=#000080 size=2><SPAN class=800433922-26122002></SPAN></FONT> </DIV> <DIV dir=ltr align=justify><FONT face="Courier New" color=#000080 size=2><SPAN class=800433922-26122002>Now, let's see some simple (basic) examples for each scenario you're having difficulties with. Config file snippets would be useful, too.</SPAN></FONT></DIV> <DIV dir=ltr align=justify><FONT face="Courier New" color=#000080 size=2><SPAN class=800433922-26122002></SPAN></FONT> </DIV> <DIV dir=ltr align=justify><FONT face="Courier New" color=#000080 size=2><SPAN class=800433922-26122002>jc</SPAN></FONT></DIV> <BLOCKQUOTE dir=ltr style="PADDING-LEFT: 5px; MARGIN-LEFT: 5px; BORDER-LEFT: #000080 2px solid; MARGIN-RIGHT: 0px"> <DIV align=justify><FONT face="Courier New" color=#000080 size=2><SPAN class=800433922-26122002></SPAN></FONT> </DIV> <DIV align=justify><FONT face="Courier New" color=#000080 size=2><SPAN class=800433922-26122002> </SPAN><BR>Thanks in advance.<BR> <BR>Regards and have a nice day,<BR> Atul Shrivastava<BR> Info Structure Services<BR> HCL INFOSYSTEMS LTD.<BR> E - 4,5,6 Sector XI,<BR> Noida - 201301<BR> Tel: 91-120-2526910,2443013</FONT></DIV> <DIV align=justify><FONT face="Courier New" color=#000080 size=2></FONT> </DIV> <DIV align=justify><FONT face="Courier New" color=#000080 size=2></FONT> </DIV></BLOCKQUOTE></BODY></HTML>