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</o:shapelayout></xml><![endif]--></head><body bgcolor=white lang=EN-US link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Hi Marc,<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Thanks a lot, sure enough you are right </span><span style='font-size:11.0pt;font-family:Wingdings;color:#1F497D'>J</span><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Thanks a lot, I totally overlooked that….<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0in 0in 0in'><p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif";color:windowtext'> MAD [mailto:mad@b-care.net] <br><b>Sent:</b> Friday, November 04, 2011 15:33<br><b>To:</b> nagios-users@lists.sourceforge.net<br><b>Subject:</b> Re: [Nagios-users] check_log via check_nrpe problem<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Hi,<br><br>If you ran your tests with an other user than the one NRPE is using on your server, may be he can't overwrite your /tmp/messages file and trigger a CRITICAL state (I see in your tests you are logged in as root).<br><br>Marc-André<br><br>On 11/04/2011 04:53 AM, Brandstaetter, Sigmund wrote: <o:p></o:p></p><pre>Hi Guys,<o:p></o:p></pre><pre><o:p> </o:p></pre><pre>First of all, hello, since this is my first post to the list.<o:p></o:p></pre><pre><o:p> </o:p></pre><pre>I hope some of you will be able to give me some input on my problem.<o:p></o:p></pre><pre><o:p> </o:p></pre><pre>I have a Nagios Server to monitor some Hosts (Nagios 3.3.1) using NRPE and<o:p></o:p></pre><pre>SNMP Checks<o:p></o:p></pre><pre><o:p> </o:p></pre><pre>I wanna check a logfile for eg. the string error.<o:p></o:p></pre><pre><o:p> </o:p></pre><pre>The check works fine when I run it locally, meaning, after the check detects<o:p></o:p></pre><pre>the pattern, it creates an alert, then, on the next check, if no new pattern<o:p></o:p></pre><pre>was detected, it will return OK.<o:p></o:p></pre><pre><o:p> </o:p></pre><pre>When I now run the check via nrpe from the nagios server, it will also<o:p></o:p></pre><pre>detect the pattern, but it will also come back with CRITICAL on each check<o:p></o:p></pre><pre>thereafter even if there have been no additional occurrences of it.<o:p></o:p></pre><pre><o:p> </o:p></pre><pre>This is what the corresponding line in the nrpe.cfg on the remote host looks<o:p></o:p></pre><pre>like for this check:<o:p></o:p></pre><pre><o:p> </o:p></pre><pre>command[check_messages]=/usr/local/nagios/libexec/check_log -F<o:p></o:p></pre><pre>/var/log/messages -O /tmp/messages -q "error"<o:p></o:p></pre><pre><o:p> </o:p></pre><pre>Note that all other checks work fine, so nrpe works fine.<o:p></o:p></pre><pre><o:p> </o:p></pre><pre><o:p> </o:p></pre><pre>EG:<o:p></o:p></pre><pre><o:p> </o:p></pre><pre>[root@xx libexec]# ./check_nrpe -H xxxxxx -c check_messages<o:p></o:p></pre><pre>(2) < error<o:p></o:p></pre><pre>[root@xx libexec]# ./check_nrpe -H xxxxxx -c check_messages<o:p></o:p></pre><pre>(2) < error<o:p></o:p></pre><pre>[root@xx libexec]# ./check_nrpe -H xxxxxx -c check_messages<o:p></o:p></pre><pre>(2) < error<o:p></o:p></pre><pre>[root@xx libexec]# ./check_nrpe -H xxxxxx -c check_messages<o:p></o:p></pre><pre>(2) < error<o:p></o:p></pre><pre>[root@xx libexec]# ./check_nrpe -H xxxxxx -c check_messages<o:p></o:p></pre><pre>(2) < error<o:p></o:p></pre><pre><o:p> </o:p></pre><pre>But locally on the host, using the same check_log with the same parameters<o:p></o:p></pre><pre>that I have in my nrpe.cfg it works:<o:p></o:p></pre><pre><o:p> </o:p></pre><pre>[root@xx libexec]# ./check_log -F /var/log/messages -O /tmp/messages -q<o:p></o:p></pre><pre>"error"<o:p></o:p></pre><pre>(13) < Nov 4 10:49:57 tuphlog1 nagios: SERVICE NOTIFICATION:<o:p></o:p></pre><pre>nagiosadmin;tuphweb2;LOG - Authentication<o:p></o:p></pre><pre>Errors;UNKNOWN;notify-service-by-email;Log check error: xxxx<o:p></o:p></pre><pre>[root@xx libexec]# ./check_log -F /var/log/messages -O /tmp/messages -q<o:p></o:p></pre><pre>"error"<o:p></o:p></pre><pre>Log check ok - 0 pattern matches found<o:p></o:p></pre><pre><o:p> </o:p></pre><pre><o:p> </o:p></pre><pre>Any Idea what could be the problem?<o:p></o:p></pre><pre><o:p> </o:p></pre><pre>Cheers<o:p></o:p></pre><pre>Sigmund<o:p></o:p></pre><pre><o:p> </o:p></pre><pre><o:p> </o:p></pre><p class=MsoNormal><br><br><br><o:p></o:p></p><pre>------------------------------------------------------------------------------<o:p></o:p></pre><pre>RSA(R) Conference 2012<o:p></o:p></pre><pre>Save $700 by Nov 18<o:p></o:p></pre><pre>Register now<o:p></o:p></pre><pre><a href="http://p.sf.net/sfu/rsa-sfdev2dev1">http://p.sf.net/sfu/rsa-sfdev2dev1</a><o:p></o:p></pre><p class=MsoNormal><br><br><br><o:p></o:p></p><pre>_______________________________________________<o:p></o:p></pre><pre>Nagios-users mailing list<o:p></o:p></pre><pre><a href="mailto:Nagios-users@lists.sourceforge.net">Nagios-users@lists.sourceforge.net</a><o:p></o:p></pre><pre><a href="https://lists.sourceforge.net/lists/listinfo/nagios-users">https://lists.sourceforge.net/lists/listinfo/nagios-users</a><o:p></o:p></pre><pre>::: Please include Nagios version, plugin version (-v) and OS when reporting any issue. <o:p></o:p></pre><pre>::: Messages without supporting info will risk being sent to /dev/null<o:p></o:p></pre><p class=MsoNormal><o:p> </o:p></p></div></body></html>