[Nagiosplug-help] Re: check_ssh

[Kelvin Wu]

Harper,

I do use ssh key to login and it works perfectly, my problem is, i
want nagios to send me alert when ssh login failed(the ssh key was
deleted for example), otherwise all ssh related plugins are useless if
login failed.

thanks.

On Mon, 9 Aug 2004 21:28:15 -0700, Harper Mann <hmann at itgroundwork.com> wrote:
> 
> Hi Kelvin,
> 
> It sounds like you don't have a login that is set up so it doesn't prompt
> for a password.  You need to set up pre-shared keys with ssh so the account
> logs in without asked for a password.  Here are some procedures and there
> are others on google:
> 
> http://www.arches.uga.edu/~pkeck/ssh/
> http://bumblebee.lcs.mit.edu/ssh2/
> http://www.static.net/~armenb/duh/no-password-ssh.html
> 
> I use the "nagios" user, since the plug-ins are typically called as user
> "nagios" but it also works fine with a different user and the -l switch if
> you tell ssh which .ssh and key file to use.
> 
> Once you have it set up, be sure to check it by becoming user "nagios" and
> then running ssh to the target system.  You should get a shell prompt on the
> target system and not a password prompt.
> 
> One other possible problem: be sure the .ssh directory has permissions set
> to 700.  At least some versions of ssh will silently fail to work, if
> permissions aren't correct.
> 
> Regards,
> 
> - Harper
> 
> Harper Mann
> Groundwork Open Source Solutions
> 510-599-2075 (cell)
> 
> 
> 
> 
> -----Original Message-----
> From: nagiosplug-help-admin at lists.sourceforge.net
> [mailto:nagiosplug-help-admin at lists.sourceforge.net] On Behalf Of Kelvin Wu
> Sent: Monday, August 09, 2004 8:24 PM
> To: Nagios
> Subject: [Nagiosplug-help] Re: check_ssh
> 
> these is a problem, when i executed this script from shell, it
> detected error after timeout and returned me error message, but
> terminal stdin seems messed up, i can't type any chars......
> 
> i tried the check_by_ssh plugin, same problem.
> /.check_by_ssh -l fake_account -H ip -C pwd
> prompt for password..... wait here until timeout, and i have to reset
> terminal to continue work...
> 
> any suggestions?
> 
> On Fri, 6 Aug 2004 18:24:48 +0800, Kelvin Wu <kelvin.wu at gmail.com> wrote:
> > i solved the problem quickly... a simple perl script attached if
> > anyone interests
> >
> >
> >
> >
> > On Fri, 6 Aug 2004 18:02:00 +0800, Kelvin Wu <kelvin.wu at gmail.com> wrote:
> > > or check_ssh_login
> > >
> > > is there any plugin to check if ssh login is successfully ot not?
> > > normally i use 'ssh -l user host'(via ssh key) to log into server and
> > > do something, but i got trouble if login failed(keyfile deleted for
> > > example), how can i detect the login error so i can send alert? the
> > > command just stop there and wait for inputting new password...
> > >
> > > thanks.
> > >
> >
> >
> >
> 
> 
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