check_by_ssh vs. ssh (when executed, have different environments)

[Marc Powell]

> -----Original Message-----
> From: nagios-users-bounces at lists.sourceforge.net [mailto:nagios-users-
> bounces at lists.sourceforge.net] On Behalf Of John P. Rouillard
> Sent: Wednesday, October 11, 2006 7:31 PM
> To: Craig Worthington
> Cc: nagios-users at lists.sourceforge.net
> Subject: Re: [Nagios-users] check_by_ssh vs. ssh (when executed,have
> different environments)
> 

[chop]

> 
> Also supposedly check_by_ssh can run checks for multiple services at
> the same time. See the -C, -O and -s arguments. I have never been able
> to get it to work. With this feature you could run a single ssh to
> execute say 5 check_disk commands. As I said I haven't gotten it to
> work, but it could cut down on the number of ssh connections that are
> needed.

It can but I haven't tried that myself either. It does so by appending a
';echo STATUS CODE: $?;' (or very close to that) to each command that
you pass then parses the output to get the return code for each plugin
executed. I believe the end command passed to ssh would look something
like --

/path/to/ssh -other -args user at host "command1;echo STATUS CODE:
$?;command2;echo STATUS CODE: $?;..."

--
Marc

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