Instance name "default" in backend "ndomy1" is not valid.

[Brook Harty]

Binary package hint: nagvis

 When you install nagios3/ndoutils/nagvis/mysql together, nagvis cant connect to the DB with the normal default settings. This should work out of the box, but errors due to a unconfigured nagvis.ini.php.

Error: "Instance name "default" in backend "ndomy1" is not valid."

The install doesnt have a configure script, so you have to configure manually to generic defaults, but it still errors.

Edit file - /etc/nagvis/nagvis.ini.php

; in this example the ID of the Backend is "ndomy_1" you can define another ID.
[backend_ndomy_1]
; type of backend - MUST be set
backendtype="ndomy"
; hostname for NDO-db
dbhost=localhost
; portname for NDO-db
dbport=3306
; database name for NDO-db
dbname=ndoutils
; username for NDO-db
dbuser=root
; password for NDO-db
dbpass=XXXXX
; prefix for tables in NDO-db
dbprefix="nagios_"
; instance name for tables in NDO-db
dbinstancename="default"
; maximum delay of the NDO Database in seconds
maxtimewithoutupdate=180
; path to the cgi-bin of this backend
htmlcgi="/nagios/cgi-bin"

[Peter Newman (peternewman)]

You also have to set ENABLE_NDOUTILS=1 in /etc/default/ndoutils and configure NDOUtils as a broker in Nagios as per Configure as per /usr/share/doc/ndoutils-nagios3-mysql/README.Debian . Restart everything and then it should start dumping into the DB and burst into life.

Another gotcha is the default database name and username/password combo for NDOUtils and NagVis differ, so if you just okay through the dialogs, as I did at first, then NagVis can't talk to the NDOUtils DB either.

[jaromrax (jaromrax)]

I am in troubles in debian squeeze. I followed the above advices and + I had to change output to
output=/tmp/ndo.sock
in both ndomod.cfg and ndo2db.cfg to see it running.
Really pain to get it run.