Kevin H. King wrote:

...

I see a lot of these errors in my CGI error log. 2012-06-11 08:09:40 showgraph Sendto failed: Destination address required 2012-06-11 08:09:40 showgraph Sendto failed: Destination address required

I was annoyed at this too.

Got a clue from... line 148 at http://fossies.org/unix/privat/xymon-4.3.10.tar.gz:a/xymon-4.3.10/web/showgr...

Had good luck getting rid of these, by going to the $XYMONTMP directory and deleting sockets named 'rrdctl.<pid>' - where pid did NOT correspond to any running xymon_rrd processes.

$ cd /export/xymon/server/tmp ### This is XYMONTMP in my shop $ ls -ltr rrdctl* srw-rw-rw- 1 hobbit monitor 0 Jul 15 2011 rrdctl.6590 srw-rw-rw- 1 hobbit monitor 0 Jul 15 2011 rrdctl.6592 srw-rw-rw- 1 hobbit monitor 0 Jul 28 2011 rrdctl.7092 srw-rw-rw- 1 hobbit monitor 0 Jul 28 2011 rrdctl.7093 srw-rw-rw- 1 hobbit monitor 0 Jul 28 2011 rrdctl.11627 srw-rw-rw- 1 hobbit monitor 0 Jul 28 2011 rrdctl.11626 srw-rw-rw- 1 hobbit monitor 0 Jul 28 2011 rrdctl.29479 srw-rw-rw- 1 hobbit monitor 0 Jul 28 2011 rrdctl.29525 srw-rw-rw- 1 hobbit monitor 0 Jul 28 2011 rrdctl.6846 srw-rw-rw- 1 hobbit monitor 0 Jul 28 2011 rrdctl.6847 srw-rw-rw- 1 hobbit monitor 0 Mar 19 2012 rrdctl.14178 srw-rw-rw- 1 hobbit monitor 0 Mar 19 2012 rrdctl.14177 srw-rw-rw- 1 hobbit monitor 0 Apr 19 2012 rrdctl.18375 srw-rw-rw- 1 hobbit monitor 0 Apr 19 2012 rrdctl.18379 $ ps -aef | grep 1837[59] hobbit 18375 18371 0 Apr 19 ? 6402:14 xymond_rrd --rrddir=/export/xymon/data/rrd hobbit 18379 18372 0 Apr 19 ? 3224:17 xymond_rrd --rrddir=/export/xymon/data/rrd $ ps -aef | grep 659[02] $ rm rrdctl.6590 rrdctl.6592 rrdctl.7092 rrdctl.7093 rrdctl.11627 rrdctl.11626 rrdctl.29479 rrdctl.29525 rrdctl.6846 rrdctl.6847 rrdctl.14178 rrdctl.14177 $