see this

2009/12/28 robert mena <>:
> Hi,
> I need to develop an interface that will, for example, ping IPs from a
> remote server. So the php script will be hosted in a server with ssh access
> (key) to the remote server.
> I can make it work from the console but when I try
> $cmd = "ssh remote-server 'ping -c 4 ip'"
> exec($cmd, $ouput);
> the output is empty.
> the same command (with the remote-server and IP changed to the real ones)
> works fine from command line.
> I've added the key/config in the webserver's user .ssh directory so I am
> assuming that that there is something wrong with my setup.
> any ideas?

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