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</o:shapelayout></xml><![endif]--></head><body 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'>It seems to me that yum is simply located somewhere else on that server. Try “which yum”.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Regards;<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>John<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 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"'>From:</span></b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> Sean Alderman [mailto:salderman1@udayton.edu] <br><b>Sent:</b> Friday, September 13, 2013 10:13 AM<br><b>To:</b> Nagios Users List<br><b>Subject:</b> [Nagios-users] Odd Problem with check_yum on one server...<o:p></o:p></span></p></div><p class=MsoNormal><o:p> </o:p></p><div><div><div><div><p class=MsoNormal style='text-align:justify'>Greetings,<o:p></o:p></p></div><p class=MsoNormal style='margin-bottom:12.0pt;text-align:justify'> I'm hoping someone might be able to provide a hint on this issue. Its strange, it happens only on one of my CentOS 6.4 servers.<o:p></o:p></p></div><p class=MsoNormal style='text-align:justify'>Nagios server reports /usr/bin/yum not found when executing the following test:<br><br clear=all><o:p></o:p></p><p class=MsoNormal style='text-align:justify'><span style='font-family:"Courier New"'>[root@nagios ~]# sudo -u nagios /usr/lib64/nagios/plugins/check_nrpe -H <a href="http://test.example.com">test.example.com</a> -c check_yum -a noarg<br>UNKNOWN: /usr/bin/yum cannot be found</span><o:p></o:p></p><p class=MsoNormal style='text-align:justify'><o:p> </o:p></p></div><p class=MsoNormal style='text-align:justify'>Over on <a href="http://test.example.com">test.example.com</a>:<br><br clear=all><o:p></o:p></p><p class=MsoNormal style='text-align:justify'><span style='font-family:"Courier New"'>[root@test ~]# ps -ef|grep nrpe|grep -v grep<br>nrpe 20038 1 0 Sep10 ? 00:00:22 /usr/sbin/nrpe -c /etc/nagios/nrpe.cfg -d<br>[root@test ~]# sudo -u nrpe /usr/lib64/nagios/plugins/check_yum <br>YUM OK: 0 Security Updates Available. 15 Non-Security Updates Available | </span><o:p></o:p></p><p class=MsoNormal style='text-align:justify'><br clear=all><o:p></o:p></p><div><div><div><div><p class=MsoNormal style='margin-bottom:12.0pt;text-align:justify'>Again, I have other CentOS servers monitored using the same check_yum command configured on the Nagios server, they all work fine - including the Nagios server itself which is monitored through nrpe.<br><br><o:p></o:p></p></div><div><p class=MsoNormal style='text-align:justify'>Thank you for your time and consideration, kind regards,<o:p></o:p></p></div><div><p class=MsoNormal style='text-align:justify'>-- <o:p></o:p></p><div><p class=MsoNormal style='margin-bottom:12.0pt;text-align:justify'>Sean M. Alderman<br>Senior Engineer, UDit Systems Integration and Engineering<br>University of Dayton<br><a href="mailto:salderman1@udayton.edu" target="_blank">salderman1@udayton.edu</a><br><br><i>"We are not some casual and meaningless product of evolution. Each of us is the result of a thought of God. Each of us is willed. Each of us is loved. Each of us is necessary."</i> - BXVI<o:p></o:p></p></div></div></div></div></div></div></div></body></html>