[Xymon] Ghost client problems

Steven Carr sjcarr at gmail.com
Thu Feb 23 13:15:41 CET 2012


What processes are running or have open files containing xymon...

ps -ef | grep xymon
lsof | grep xymon

If any of those processes are not the ones you have started (or are running
as root) then that is your culprit.

Steve



On 23 February 2012 12:03, Pavel Traian <paveltraian at yahoo.com> wrote:

>
> Hi,
> This is my original question.
> If i knew the answer i shouldn't ask for help.
> I don't know where to check and what to check.
>
> Regards,
> Traian.
>
>
> --- On *Thu, 2/23/12, Steven Carr <sjcarr at gmail.com>* wrote:
>
>
> From: Steven Carr <sjcarr at gmail.com>
> Subject: Re: [Xymon] Ghost client problems
> To: "Pavel Traian" <paveltraian at yahoo.com>, xymon at xymon.com
> Date: Thursday, February 23, 2012, 1:43 PM
>
>
> Why are the FQDN named files owned by root? this would seem to indicate
> that root is running commands to output those files? xymon client should be
> running as the xymon user only. Is something else on your system starting
> up a second instance of the client?
>
> Steve
>
>
>
>
> On 23 February 2012 11:30, Pavel Traian <paveltraian at yahoo.com<http://mc/compose?to=paveltraian@yahoo.com>
> > wrote:
>
> Hi,
> I have manually compiled it.
> I start it using ./runclient.sh --hostname=otpproxy1 start
> command.(otpproxy1 is the client name in hosts.cfg)
> Here you have the commands i gave:
>
> [xymon at otpproxy1 tmp]$ rm -f *
> [xymon at otpproxy1 tmp]$ ls -l
> total 0
> [xymon at otpproxy1 tmp]$
> [xymon at otpproxy1 tmp]$
> [xymon at otpproxy1 tmp]$
> [xymon at otpproxy1 tmp]$ cd ..
> [xymon at otpproxy1 client]$ ./runclient.sh --hostname=otpproxy1 start
> Xymon client for linux started on otpproxy1
> [xymon at otpproxy1 client]$ cd tmp
> [xymon at otpproxy1 tmp]$ ls -l
> total 44
> -rw-rw-r-- 1 xymon xymon    41 Feb 23 13:13 logfetch.otpproxy1.cfg
> -rw-rw-r-- 1 xymon xymon 33175 Feb 23 13:13 msg.otpproxy1.txt
> -rw-rw-r-- 1 xymon xymon   246 Feb 23 13:12 xymon_vmstat.otpproxy1.7180
> [xymon at otpproxy1 tmp]$ ls -l
> total 84
> -rw-rw-r-- 1 xymon xymon    41 Feb 23 13:18 logfetch.otpproxy1.cfg
> -rw-rw-r-- 1 xymon xymon    35 Feb 23 13:18 logfetch.otpproxy1.status
> -rw-r--r-- 1 root  root  32347 Feb 23 13:17
> msg.otpproxy1.temenosgroup.com.txt
> -rw-rw-r-- 1 xymon xymon 35555 Feb 23 13:18 msg.otpproxy1.txt
> -rw-rw-r-- 1 xymon xymon   246 Feb 23 13:17 xymon_vmstat.otpproxy1.7262
> -rw-r--r-- 1 root  root    246 Feb 23 13:16
> xymon_vmstat.otpproxy1.temenosgroup.com.7223
> [xymon at otpproxy1 tmp]$
>
> After i start it i have only msg.otpproxy1.txt file in tmp folder but
> after a while i have also msg.otpproxy1.temenosgroup.com.txt file.
> Why does it happen? What do i do wrong?
>
> Regards,
> Traian.
>
>
>
> --- On *Thu, 2/23/12, Steven Carr <sjcarr at gmail.com<http://mc/compose?to=sjcarr@gmail.com>
> >* wrote:
>
>
> From: Steven Carr <sjcarr at gmail.com<http://mc/compose?to=sjcarr@gmail.com>
> >
> Subject: Re: [Xymon] Ghost client problems
> To: "Pavel Traian" <paveltraian at yahoo.com<http://mc/compose?to=paveltraian@yahoo.com>
> >
> Cc: xymon at xymon.com <http://mc/compose?to=xymon@xymon.com>
> Date: Thursday, February 23, 2012, 12:36 PM
>
>
> How did you install the client, manual compilation or from one of the RPMs
> that others have built?
>
> If you did it manually then in your init script add --hostname=XYZ as a
> parameter to runclient.sh (this does appear to map to the MACHINEDOTS
> variable inside runclient.sh).
>
> Steve
>
>
> On 23 February 2012 10:29, Pavel Traian <paveltraian at yahoo.com<http://mc/compose?to=paveltraian@yahoo.com>
> > wrote:
>
> Hi,
> I don't find any CLIENTNAME variable, but i have MACHINEDOTS variable in
> the runclient.sh which is said to be "# This systems hostname".
> I changed it to use 'hostanme -s' and still the same result as in the
> first message.
> I have these files in tmp folder:
>
>
> > -rw-rw-r-- 1 xymon xymon    41 Feb 22 13:17
> > logfetch.otpproxy1.cfg
> > -rw-rw-r-- 1 xymon xymon    41 Feb 22 13:17
> > logfetch.otpproxy1.status
> > -rw-r--r-- 1 root  root  35787 Feb 22 13:17
> > msg.otpproxy1.temenosgroup.com.txt
> > -rw-rw-r-- 1 xymon xymon 37183 Feb 22 13:17
> > msg.otpproxy1.txt
> > -rw-rw-r-- 1 xymon xymon   246 Feb 22 13:17
> > xymon_vmstat.otpproxy1.2637
> > -rw-rw-r-- 1 xymon xymon   246 Feb 22 13:14
> > xymon_vmstat.otpproxy1.temenosgroup.com.2597
> > -rw-r--r-- 1 root  root    246 Feb 22 13:17
> > xymon_vmstat.otpproxy1.temenosgroup.com.2681
>
> Do you have any explanation why i have all these files? Shouldn't it be
> only one named msg.otpproxy1.txt and not the second named
> msg.otpproxy1.temenosgroup.com.txt?
>
> Regards,
> Traian.
>
>
>
> --- On *Thu, 2/23/12, Steven Carr <sjcarr at gmail.com<http://mc/compose?to=sjcarr@gmail.com>
> >* wrote:
>
>
> From: Steven Carr <sjcarr at gmail.com<http://mc/compose?to=sjcarr@gmail.com>
> >
> Subject: Re: [Xymon] Ghost client problems
> To: "Pavel Traian" <paveltraian at yahoo.com<http://mc/compose?to=paveltraian@yahoo.com>>,
> xymon at xymon.com <http://mc/compose?to=xymon@xymon.com>
> Date: Thursday, February 23, 2012, 12:17 PM
>
>
> To use the shortname just change the CLIENTHOSTNAME variable to be the
> shortname, you can use whatever you want aslong as it matches with what you
> have in the main bb-hosts/hosts.cfg.
>
> Steve
>
>
>
> On 23 February 2012 09:51, Pavel Traian <paveltraian at yahoo.com<http://mc/compose?to=paveltraian@yahoo.com>
> > wrote:
>
> Hi,
> If i want to use the short name how do i proceed?
> What config files from the client installation should I modify?
> Regards,
> Traian.
>
>
> --- On *Thu, 2/23/12, Steven Carr <sjcarr at gmail.com<http://mc/compose?to=sjcarr@gmail.com>
> >* wrote:
>
>
> From: Steven Carr <sjcarr at gmail.com<http://mc/compose?to=sjcarr@gmail.com>
> >
> Subject: Re: [Xymon] Ghost client problems
> To: "Pavel Traian" <paveltraian at yahoo.com<http://mc/compose?to=paveltraian@yahoo.com>>,
> xymon at xymon.com <http://mc/compose?to=xymon@xymon.com>
> Date: Thursday, February 23, 2012, 11:02 AM
>
>
> On all of our systems I force the client to use it's FQDN, in
> /etc/sysconfig/xymon I configure the CLIENTHOSTNAME variable to be the FQDN
> e.g. as part of our build script it runs:
>
> sed -i "s/# CLIENTHOSTNAME=\"\"/CLIENTHOSTNAME=\"`hostname -f`\"/g"
> /etc/sysconfig/xymon
>
> Steve
>
>
>
> On 23 February 2012 08:45, Pavel Traian <paveltraian at yahoo.com<http://mc/compose?to=paveltraian@yahoo.com>
> > wrote:
>
> Hi,
> I have added the short name to hosts.cfg otpproxy1 not
> otpproxy1.temenosgroup.com. On the Xymon page i have the conn, disk, cpu,
> procs... all the tests are active there(it means the server receives the
> client data report).
> But the client seems to send the data report using the FQDN also and the
> server sees it like ghost client.
> How can i do to prevent it.
> Regards,
> Traian.
>
>
>
> Simple stuff first, do you have the client listed in
> ~/server/etc/hosts.cfg ?
>
> A little clarification: ghost clients are generally clients that are
> sending data to the server, but the server is not configured to display
> them.
>
> --- On Wed, 2/22/12, Pavel Traian <paveltraian at yahoo.com<http://mc/compose?to=paveltraian@yahoo.com>>
> wrote:
>
> > From: Pavel Traian <paveltraian at yahoo.com<http://mc/compose?to=paveltraian@yahoo.com>
> >
> > Subject: Ghost client problems
> > To: xymon at xymon.com <http://mc/compose?to=xymon@xymon.com>
> > Date: Wednesday, February 22, 2012, 1:51 PM
> > Hi,
> > I have installed a xymon client on a CentOS 6 x64 server.
> > Everything looks good except the fact that even the Xymon
> > server receives data and its' page is OK(the client is there
> > diplayed with its' short name) i have the same client
> > displayed in Ghost Clients(this time with its' FQDN).
> > I have checked on the client and i have too many files in
> > xymon/client/tmp folder.
> > It looks something like this:
> >
> > -rw-rw-r-- 1 xymon xymon    41 Feb 22 13:17
> > logfetch.otpproxy1.cfg
> > -rw-rw-r-- 1 xymon xymon    41 Feb 22 13:17
> > logfetch.otpproxy1.status
> > -rw-r--r-- 1 root  root  35787 Feb 22 13:17
> > msg.otpproxy1.temenosgroup.com.txt
> > -rw-rw-r-- 1 xymon xymon 37183 Feb 22 13:17
> > msg.otpproxy1.txt
> > -rw-rw-r-- 1 xymon xymon   246 Feb 22 13:17
> > xymon_vmstat.otpproxy1.2637
> > -rw-rw-r-- 1 xymon xymon   246 Feb 22 13:14
> > xymon_vmstat.otpproxy1.temenosgroup.com.2597
> > -rw-r--r-- 1 root  root    246 Feb 22 13:17
> > xymon_vmstat.otpproxy1.temenosgroup.com.2681
> >
> > It seems like the client is started al least twice....
> > How can I set it right?
> > Regards,
> > Traian.
> >
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