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<p class="MsoNormal"><font size="2" color="#1f497d" face="Calibri"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">The hostname is set in /etc/sysconfig/network and/or /etc/sysconfig/network-scripts/eth0-ifcfg, generally for
RHEL 5 <o:p></o:p></span></font></p>
<p class="MsoNormal"><font size="2" color="#1f497d" face="Calibri"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></font></p>
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<p class="MsoNormal"><b><font size="2" face="Tahoma"><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif";font-weight:bold">From:</span></font></b><font size="2" face="Tahoma"><span style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> Xymon
[mailto:xymon-bounces@xymon.com] <b><span style="font-weight:bold">On Behalf Of </span>
</b>Phil Crooker<br>
<b><span style="font-weight:bold">Sent:</span></b> Monday, February 05, 2018 12:22 AM<br>
<b><span style="font-weight:bold">To:</span></b> Ralph Mitchell<br>
<b><span style="font-weight:bold">Cc:</span></b> xymon@xymon.com<br>
<b><span style="font-weight:bold">Subject:</span></b> Re: [Xymon] xymon client host name not including domain name in systemd scripts<o:p></o:p></span></font></p>
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<p><font size="3" color="black" face="Calibri"><span style="font-size:12.0pt;font-family:"Calibri","sans-serif";color:black">No, that made no difference - "10.11.12.13 FQDN hostname" is the default order <span style="background:white">in SuSE</span>, anyway...
Interesting.<o:p></o:p></span></font></p>
<p><font size="3" color="black" face="Calibri"><span style="font-size:12.0pt;font-family:"Calibri","sans-serif";color:black"><o:p> </o:p></span></font></p>
<p><font size="3" color="black" face="Calibri"><span style="font-size:12.0pt;font-family:"Calibri","sans-serif";color:black">cheers, P<o:p></o:p></span></font></p>
<p><font size="3" color="black" face="Calibri"><span style="font-size:12.0pt;font-family:"Calibri","sans-serif";color:black"><o:p> </o:p></span></font></p>
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<p class="MsoNormal"><font size="3" color="black" face="Calibri"><span lang="EN-AU" style="font-size:12.0pt;font-family:"Calibri","sans-serif";color:black"><o:p> </o:p></span></font></p>
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<p class="MsoNormal"><b><font size="2" color="black" face="Calibri"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:black;font-weight:bold">From:</span></font></b><font size="2" color="black" face="Calibri"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:black">
Ralph Mitchell <<a href="mailto:ralphmitchell@gmail.com">ralphmitchell@gmail.com</a>><br>
<b><span style="font-weight:bold">Sent:</span></b> Saturday, 3 February 2018 3:24 AM<br>
<b><span style="font-weight:bold">To:</span></b> Phil Crooker<br>
<b><span style="font-weight:bold">Cc:</span></b> <a href="mailto:xymon@xymon.com">
xymon@xymon.com</a><br>
<b><span style="font-weight:bold">Subject:</span></b> Re: [Xymon] xymon client host name not including domain name in systemd scripts</span></font><font color="#212121" face="Calibri"><span style="font-family:"Calibri","sans-serif";color:#212121">
<o:p></o:p></span></font></p>
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<p class="MsoNormal"><font size="3" color="#212121" face="Calibri"><span style="font-size:12.0pt;font-family:"Calibri","sans-serif";color:#212121"> <o:p></o:p></span></font></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt"><font size="3" color="#212121" face="Calibri"><span style="font-size:12.0pt;font-family:"Calibri","sans-serif";color:#212121">FYI, my experience with RHEL5 was, if the /etc/hosts file had the short-form host
name first, that's what the Xymon client used. Switching it around to put the FQDN name first fixed it. Didn't need to modify the Xymon script at all. Kinda ridiculous, I know...<o:p></o:p></span></font></p>
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<p class="MsoNormal"><font size="3" color="#212121" face="Calibri"><span style="font-size:12.0pt;font-family:"Calibri","sans-serif";color:#212121">i.e. This checked in to Xymon as "server"<o:p></o:p></span></font></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt"><font size="3" color="#212121" face="Calibri"><span style="font-size:12.0pt;font-family:"Calibri","sans-serif";color:#212121"> 10.12.34.56 server
<a href="http://server.domain.com">server.domain.com</a><o:p></o:p></span></font></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt"><font size="3" color="#212121" face="Calibri"><span style="font-size:12.0pt;font-family:"Calibri","sans-serif";color:#212121">And this checked in as "<a href="http://server.domain.com">server.domain.com</a>"<o:p></o:p></span></font></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt"><font size="3" color="#212121" face="Calibri"><span style="font-size:12.0pt;font-family:"Calibri","sans-serif";color:#212121"> 10.12.34.56
<a href="http://server.domain.com">server.domain.com</a> server<o:p></o:p></span></font></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt"><font size="3" color="#212121" face="Calibri"><span style="font-size:12.0pt;font-family:"Calibri","sans-serif";color:#212121">Dunno if the same thing happens in SuSE, though.<o:p></o:p></span></font></p>
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<p class="MsoNormal" style="margin-bottom:12.0pt"><font size="3" color="#212121" face="Calibri"><span style="font-size:12.0pt;font-family:"Calibri","sans-serif";color:#212121">Ralph Mitchell<br>
<br>
<o:p></o:p></span></font></p>
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<p class="MsoNormal"><font size="3" color="#212121" face="Calibri"><span style="font-size:12.0pt;font-family:"Calibri","sans-serif";color:#212121"><o:p> </o:p></span></font></p>
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<p class="MsoNormal"><font size="3" color="#212121" face="Calibri"><span style="font-size:12.0pt;font-family:"Calibri","sans-serif";color:#212121">On Fri, Feb 2, 2018 at 2:01 AM, Phil Crooker <<a href="mailto:Phil.Crooker@orix.com.au" target="_blank">Phil.Crooker@orix.com.au</a>>
wrote:<o:p></o:p></span></font></p>
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<p style="background:white"><font size="3" color="black" face="Calibri"><span style="font-size:12.0pt;font-family:"Calibri","sans-serif";color:black">I've this issue with SUSE linux - SUSE just returns the plain hostname without the domain when it uses uname
-n -- the xymon client then doesn't match the FQDN in the xymon hosts.cfg file, the entry goes purple and the client ends up in the ghost report. I'm compiling my own client and inserting the xymonlaunch.service file in /etc/systemd/system, etc -- somehow
it doesn't send the correct hostname. I tried adding CLIENTNAME=<a href="http://blah.domain.com" target="_blank">blah.domain.com</a> in xymonlaunch to no effect (also put it in the xymonclient config file, still no good). If I manually run /bin/hostname with
the FQDN, that works, but is lost on the next reboot. And yes I ensured the FQDN is in /etc/hostname, etc... I do not want to have to put in a "CLIENT:whatever" statement in hosts.cfg for every host with a client, which works but is inelegant to me.<o:p></o:p></span></font></p>
<p style="background:white"><font size="3" color="black" face="Calibri"><span style="font-size:12.0pt;font-family:"Calibri","sans-serif";color:black"><o:p> </o:p></span></font></p>
<p style="background:white"><font size="3" color="black" face="Calibri"><span style="font-size:12.0pt;font-family:"Calibri","sans-serif";color:black">Looking at the old runclient.sh script that comes with the client (and is not used with systemd), the MACHINEDOTS
variable is set before launch. In the good ol SYS5 init.d days, I used to insert MACHINEDOTS=`hostname -f` in the runclient.sh script, which worked. So, I found if you run: systemctl edit xymonlaunch.service and add the following, it works:<o:p></o:p></span></font></p>
<p style="background:white"><font size="3" color="black" face="Calibri"><span style="font-size:12.0pt;font-family:"Calibri","sans-serif";color:black"><o:p> </o:p></span></font></p>
<p style="background:white"><font size="3" color="black" face="Calibri"><span style="font-size:12.0pt;font-family:"Calibri","sans-serif";color:black"> [Service]<o:p></o:p></span></font></p>
<p style="background:white"><font size="3" color="black" face="Calibri"><span style="font-size:12.0pt;font-family:"Calibri","sans-serif";color:black"> Environment="MACHINEDOTS=<a href="http://whatever.domain.com" target="_blank">whatever.domain.com</a>"<o:p></o:p></span></font></p>
<p style="background:white"><font size="3" color="black" face="Calibri"><span style="font-size:12.0pt;font-family:"Calibri","sans-serif";color:black"><o:p> </o:p></span></font></p>
<p style="background:white"><font size="3" color="black" face="Calibri"><span style="font-size:12.0pt;font-family:"Calibri","sans-serif";color:black">This creates a /etc/systemd/system/xymonlaunch.service.d/override.conf file and all is well. Unfortunately
it doesn't work with `hostname -f`. There is a warning that if there is no override.conf in whatever.service.d/ the service won't run. That isn't true with SUSE SLES 12, it works fine w/o it (less the correct name, of course), but YMMV...<o:p></o:p></span></font></p>
<p style="background:white"><font size="3" color="black" face="Calibri"><span style="font-size:12.0pt;font-family:"Calibri","sans-serif";color:black"><o:p> </o:p></span></font></p>
<p style="background:white"><font size="3" color="black" face="Calibri"><span style="font-size:12.0pt;font-family:"Calibri","sans-serif";color:black">HTH Someone, Phil<o:p></o:p></span></font></p>
<p class="MsoNormal" style="margin-bottom:12.0pt;background:white"><font size="3" color="black" face="Calibri"><span style="font-size:12.0pt;font-family:"Calibri","sans-serif";color:black"><o:p> </o:p></span></font></p>
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