$ cat ~/bin/jump2

#!/usr/bin/perl
########################################
# Jump 2 Remote Host :)
# Usage:  ~/bin/jump2 whatever-a01.host.com
########################################
$jumphost="jumphost.blah.com";   # set to your fav host
########################################
$desthost=@ARGV[0] ;
$passeduser=@ARGV[1] ;
# $netcat="/opt/gnu/bin/nc";
$netcat="/usr/bin/nc";
$ssh="/usr/bin/ssh";      # needs to be a ssh version that supports kerbers cred forwarding
$username=$ENV{'USER'};
if ($username eq "administrator") {
        # For macosx users logged in as administrator
        print "Edit me and put your username in this script.\n";
        $username = "jackal";
}

if ($desthost eq "" ) {
        print "\nUsage: $0 hostname\n\n";
        exit ;
}


if ($passeduser eq "" ) {
   # by default jump to the remote host as root.
   $destuser="root";   
} else {
   # if you want to go in as you
   $destuser=$passeduser;
}
$cmd="$ssh -o proxycommand=\"$ssh $username\@$jumphost exec $netcat -w 5 %h 22\" $destuser\@$desthost";
print "Running: $cmd\n";
system("$cmd");

Life was so much easier to deal with when there was a definative end to it.

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