ssh and output

[Lena M]

Demetri,

I already have keychain(ssh-agent) running on the server  to retain my
password protected dsa key.
ssh works great..no password prompt

However,  I get prompted for a password using check_by_ssh command.


Thank you very much for your reply.

Lena


----- Original Message ----- 
From: "Demetri Mouratis" <dmourati at cm.math.uiuc.edu>
To: "Lena M" <lena__m at hotmail.com>
Cc: <nagios-users at lists.sourceforge.net>
Sent: Thursday, August 28, 2003 8:59 AM
Subject: Re: [Nagios-users] ssh and output


> Lena,
>
> You should look at the check_by_ssh command.  It will do exactly what you
> want.
>
> Here's an example:
>
> # 'check_remote_disk' command definition
> define command{
>         command_name    check_remote_disk
>         command_line    $USER1$/check_by_ssh -t 60 -H $HOSTADDRESS$ -l \
> nagios -i $USER5$ -C "$USER6$/check_disk -w $ARG1$ -c $ARG2$"
>         }
>
> # from resource.cfg
> $USER5$=/home/nagios/.ssh/id_dsa
> $USER6$=/home/nagios/bin
>
> Also, check our ssh-keygen to create a public/private keypair for the
> nagios user to permit passwordless logins.
>
> Finally, take a look at keychain,
> http://www.gentoo.org/proj/en/keychain.xml, for non-blank ssh passphrases.
>
> HTH.
>
> On Thu, 28 Aug 2003, Lena M wrote:
>
> > Hello, All,
> >
> > My name is Lena, and I'm new to the list.
> >
> > I'm having a problem with nagios displaying output of the commands it
runs over ssh. I hope you can help me solve it.
> >
> > For instance, when I run the following from a command prompt of my
monitoring host, I get an output:
> > -bash-2.05b$  /usr/bin/ssh redhat1  /usr/local/nagios/check_disk -w 3 -c
1 /dev/hda1
> >
> > DISK OK [1058016 kB (20%) free on /dev/hda1]
> >
> > However, nagios displays "Current Status: Unknown" and "Status
information: No output!" in its web page when it runs the same command.
> >
> > I tried using different ssh commands but..the same result. Both hosts
have redhat 8.0 and nagios 1.1 installed. Your help will be greatly
appreciated.
> >
> > Here is configuration info from nagios files:
> >
> > checkcommands.cfg
> >
> > define command{
> >
> >         command_name    ssh-2check-users
> >
> >         command_line    /usr/bin/ssh redhat1
/usr/local/nagios/check_users -w 3 -c 1
> >
> >         }
> >
> > services.cfg
> >
> > define service{
> >
> >         use                             generic-service         ; Name
of service template to use
> >
> >
> >
> >         host_name                       redhat1
> >
> >         service_description             FREE DISK SPACE
> >
> >         is_volatile                     0
> >
> >         check_period                    24x7
> >
> >         max_check_attempts              3
> >
> >         normal_check_interval           5
> >
> >         retry_check_interval            2
> >
> >         contact_groups                  redhat-admins
> >
> >         notification_interval           240
> >
> >         notification_period             24x7
> >
> >         notification_options            w,u,c,r
> >
> >         check_command
ssh-2check-disk!80%!90%!/dev/hda1
> >
> >
> >
> > Web Output:
> >
> > Service State Information
> >
> >                   Current Status:
> >                    UNKNOWN
> >
> >                   Status Information:
> >                  (No output!)
> >
> >                   Current Attempt:
> >                  3/3
> >
> >                   State Type:
> >                  HARD
> >
> >                   Last Check Type:
> >                  ACTIVE
> >
> >                   Last Check Time:
> >                  08-28-2003 11:16:23
> >
> >                   Status Data Age:
> >                  0d 0h 0m 32s
> >
> >                   Next Scheduled Active Check:
> >                  08-28-2003 11:21:23
> >
> >                   Latency:
> >                  < 1 second
> >
> >                   Check Duration:
> >                  1 second
> >
> >                   Last State Change:
> >                  08-28-2003 10:43:52
> >
> >                   Current State Duration:
> >                  0d 0h 33m 3s
> >
> >                   Last Service Notification:
> >                  08-28-2003 10:43:52
> >
> >                   Current Notification Number:
> >                  1
> >
> >                   Is This Service Flapping?
> >                  N/A
> >
> >                   Percent State Change:
> >                  N/A
> >
> >                   In Scheduled Downtime?
> >                    NO
> >
> >                   Last Update:
> >                  08-28-2003 11:16:43
> >
> >
> >
> >
> >
> >                   Service Checks:
> >                    ENABLED
> >
> >                   Passive Checks:
> >                    ENABLED
> >
> >                   Service Notifications:
> >                    ENABLED
> >
> >                   Event Handler:
> >                    ENABLED
> >
> >                   Flap Detection:
> >                    ENABLED
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
>
> ---------------------------------------------------------------------
> Demetri Mouratis
> dmourati at linfactory.com
>
>


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