OpenSSH Gateways with ProxyCommand \\Lets say you have a cluster of machines behind a firewall or lack IP address\space for a unique frontend IP for all your boxes.\\You need to SSH into any one of the machines but first you need to manually SSH\into a gateway machine and then SSH into your target machines.  This is a major\pain as it involves a lot of wasted time and keystrokes.  \\Worse yet the standard scp and rsync tools won't work with SSH (and neither will\any other SSH pipe commands) to your target box.\\Luckily OpenSSH has a ProxyCommand configuration option that allows you to proxy\into your gateway, then forward all packets via this proxy.\\In order to do this you need 'netcat' installed and if you're on debian this c ...\\