Host key verification for check_by_ssh not working properly
bthayre at physics.ucsd.edu
bthayre at physics.ucsd.edu
Thu Jul 5 22:57:18 CEST 2007
It's been some time since i've had to configure this plugin, so i may be
doing it improperly. Now one of the command that nagios will run looks
like this:
define command{
command_name check_slash_free
command_line $USER1$/check_by_ssh -i /var/ssh/nagios-key -l nagios
-H $HOSTADDRESS$ -C '$USER1$/check_disk -w $\ARG1$ -c $ARG2$ -p
/'
}
So i've created an rsa key pair and placed it in some arbitrary directory
and i've changed the ownership and permissions so that my nagios user owns
and is the only user permitted to use the nagios-key. On the host machine
i've placed the public key in the nagios user */.ssh/authorized_keys file.
Now switching to my nagios user on the central server i can ssh into the
host machine all under the nagios user with no problem, but when nagios
tries it via check_by_ssh i get this:
CURRENT SERVICE STATE: $HOSTADDRESS$.local;SSH Disk
Check;UNKNOWN;HARD;4;Remote command execution failed: Host key
verification failed.
where the hostaddress is the host machine i'm trying to ssh into. I've
also tried this using root as the user to avoid any permissions
complications but i still recieve the same error.
Any help would be great, thanks!
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