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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D;mso-fareast-language:EN-US">From the man page:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal">NOCOLUMNS:column[,column]<o:p></o:p></p>
<p class="MsoNormal" style="margin-left:36.0pt">Used to drop certain of the status columns generated by the Xymon client.
<b>column</b> is one of <b>cpu</b>, <b>disk</b>, <b>files</b>, <b>memory</b>, <b>
msgs</b>, <b>ports</b>, <b>procs</b>. This setting stops these columns from being updated for the host. Note: If the columns already exist, you must use the
<i><a href="http://uk-netmon/xymon/help/manpages/man1/xymon.1.html">xymon</a>(1)</i> utility to
<b>drop</b> them, or they will go purple. <o:p></o:p></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D;mso-fareast-language:EN-US">That suggests to me that your “NOCOLUMNS: telnet” is invalid – makes me wonder if it’s triggering that test as a result of that .default.
entry.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D;mso-fareast-language:EN-US">Be interested to see what you find.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D;mso-fareast-language:EN-US"><br>
Regards,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D;mso-fareast-language:EN-US"><br>
Carl<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D;mso-fareast-language:EN-US"><o:p> </o:p></span></p>
<p class="MsoNormal"><b><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif"">From:</span></b><span lang="EN-US" style="font-size:11.0pt;font-family:"Calibri","sans-serif""> Xymon [mailto:xymon-bounces@xymon.com]
<b>On Behalf Of </b>Tres Finocchiaro<br>
<b>Sent:</b> 10 September 2014 13:37<br>
<b>To:</b> Jeremy Laidman<br>
<b>Cc:</b> xymon@xymon.com<br>
<b>Subject:</b> Re: [Xymon] leaking memory, alerts.cfg problems<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">@Jeremy,<o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal">This is a bug in Samba. Refer: <a href="https://bugs.launchpad.net/ubuntu/+source/samba/+bug/1257186" target="_blank">https://bugs.launchpad.net/ubuntu/+source/samba/+bug/1257186</a><o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">This is entirely unrelated to Xymon.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Terrific, thank you.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal">If you don't have "telnet" listed for a host/device in hosts.cfg, or in the ".default." entry, then Xymon should not include it in its service checks.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"> OK, this is where I'm struggling. We have a separate host group for our switches:<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><span style="font-family:"Courier New"">group-sorted UFIRST Switches<br>
0.0.0.0 .default. # NOCOLUMNS:telnet<br>
192.168.0.5 SWITCH1 # ssh</span><o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">But originally had had:<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><span style="font-family:"Courier New"">192.168.0.5 SWITCH1 # telnet</span><o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">We followed the instructions for purging the history:<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><span style="font-family:"Courier New"">xymon 127.0.0.1 "drop SWITCH1 telnet"</span><o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt">But we still received alerts.<o:p></o:p></p>
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<p class="MsoNormal"><span style="font-family:"Courier New"">red Wed Sep 3 09:26:38 2014 telnet NOT ok<br>
Service telnet on SWITCH1 is not OK : Service unavailable (Connection refused)<br>
Seconds: 0.00</span><o:p></o:p></p>
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<p class="MsoNormal">So I tried filtering it in the alerts.cfg:<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><span style="font-family:"Courier New"">HOST=%* SERVICE=%*<br>
MAIL <a href="mailto:tres@company.local">tres@company.local</a> EXSERVICE=telnet</span><o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">But now we aren't receiving any alerts at all. <o:p></o:p></p>
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<p class="MsoNormal"><br>
To verify it's not an email settings:<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><span style="font-family:"Courier New"">mail -s "Test Email"
<a href="mailto:tres@company.local">tres@company.local</a> < /dev/null</span><o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Which succeeds.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">The only part I did not mention is that some of our hosts were renamed from lowercase to uppercase for aesthetics. <o:p></o:p></p>
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