[OT] run command via ssh - problem

[Joachim Backes]

On 11/04/2009 02:10 PM, Dan Track wrote:
> Hi,
>
> I'm running a command like this:
>
> for i in server1 server2;do ssh root@$i "`hostname`";done.
>
> However the hostname command always outputs the hostname of the server
> that the above command is run from. I'd like to know how to run this
> hostname command so that it actually runs on server 1, server2 etc..
>
> Thanks
> Dan
>

Use the following
for i in server1 server2;do ssh root@$i '`hostname`';done.


Explanation: `hostname`, or $(hostname), is already evaluated on the 
source host by your shell (even inside of "...") , not on the target host.
-- 

Joachim Backes <joachim.backes at rhrk.uni-kl.de>

http://www.rhrk.uni-kl.de/~backes


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