[Xymon] Xymon status does not get updated

[Yanni]

OK, I downloaded and installed netcat and run the command: $ echo 
xymondboard | netcat 193.61.54.144 1984
waited for a couple of seconds but nothing was returned. I tried both 
'netcat' and 'nc'.

I then killed all xymond jobs: $ killall -9 xymond

then run your netstat command: $ netstat -na|grep 1984.*LISTEN
and it returned:
$ tcp        0      0 0.0.0.0:1984 0.0.0.0:*                   LISTEN

xymond is not anymore in my 'top' list.

$ps auf | grep xymond
returns:
$ xymon     1465  0.0  0.0   4012   664 pts/1    S+   14:35 
0:00          \_ grep xymond

also xymon.sh is running

I am getting confused and the reason is that although I think I killed 
xymond now xymon seems to be working and the hosts.cfg file gets loaded. 
I removed and added a few hosts and the main xymon page gets updated now.
However my xymond is not happy because it's posting a yellow dizzy face.

Please see a few lines from xymonlaunch.log:

2012-10-16 11:07:41 FATAL: xymond sees clientcount 1, should be 0. Check 
for hanging xymond_channel processes or stale semaphores
2012-10-16 11:07:41 Cannot setup page channel
2012-10-16 11:07:41 Task xymond terminated, by signal 9
2012-10-16 11:07:46 Loading hostnames
2012-10-16 11:07:47 Loading saved state
2012-10-16 11:07:47 Setting up network listener on 0.0.0.0:1984
2012-10-16 11:07:47 Setting up signal handlers
2012-10-16 11:07:47 Setting up xymond channels
2012-10-16 11:07:47 Setting up logfiles

So why everything works after I killed all xymond???

I am super-confused.

On 10/16/2012 01:39 AM, Jeremy Laidman wrote:
> On 15 October 2012 20:25, Yanni <y.goudetsidis at mail.cryst.bbk.ac.uk 
> <mailto:y.goudetsidis at mail.cryst.bbk.ac.uk>> wrote:
>
>     It seems that telnet works because it returns "connected to
>     193.61.54.144", however it looks like it hangs after the:
>     (Escape character is '^]') line.
>
>
> That's to be expected.  When doing a telnet test like this, you can 
> get one of three things:
> * connection refused (nothing listening on that port)
> * time-out (firewall dropping packets)
> * connected (works)
>
> You got the last one, so all good.
>
> If you have netcat, try doing this:
>
> $ echo xymondboard | netcat 193.61.54.144 1984
>
> This should get you a list of hosts and their status.  The command 
> might be "nc" rather than "netcat".
>
>     xymonlaunch.log:
>     2012-10-15 09:56:06 Setting up network listener on *MailScanner
>     warning: numerical links are often malicious:* 0.0.0.0:1984
>     <http://0.0.0.0:1984>
>     2012-10-15 09:56:06 Cannot bind to listen socket (Address already
>     in use)
>
>
> Perhaps you have xymond running twice?  Stop xymond, and kill all 
> remaining xymond  processes before attempting to start it again. 
>  Before starting, you should see no output from this:
>
> $ netstat -na|grep 1984.*LISTEN
>
> Cheers
> Jeremy


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