ssh timeout

[nitin.gizare at wipro.com]

HI
 
Thanks but, some time I see that we can ping machine but server is hung state in which case I can not run ssh or can not connect at all.
 
in such cases my script just stops and wating for host to respond 
 
Rgds
Nitin

________________________________

From: redhat-sysadmin-list-bounces at redhat.com on behalf of Ben Kevan
Sent: Fri 9/25/2009 2:21 PM
To: redhat-sysadmin-list at redhat.com
Subject: Re: ssh timeout



On Fri, 25 Sep 2009 02:16:34 -0000, <nitin.gizare at wipro.com> wrote:

> HI
>
>
> I am running script using ssh to capture load of some parameters of
> remote machine.
>
> But if one of machine is down script does not go forward and will be
> waiting for to come up and complete ssh connections.
>
> I would like to set some time out in which case if machine does not
> response it should time out on ssh and proceed for next steps.
>
>
> Please help me with this settings
>
>
> Rgds
>
> Nitin
>


I think everyone missed his point.. he didn't want ssh timeouts.. the 
original request is:

"But if one of machine is down"

So what you want is to do a ping to the machine, if ping fails then don't 
run the script:

ping -c 1 -w 1 $SERV 1>/dev/null 2>&1
if [ $? -eq 0 ]; then
        Run the code you want to run
else
        echo "$SERV is not up"
fi


--
If you don't know what you want, you end up with a lot you don't.  -Fight 
Club

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