6 usage: $0 PORT REMOTE_PORT user@proxy
7 script that sets up a reverse ssh tunnel, and optionally starts a VNC server as well if the START_VNC environment variable is not null
8 PORT is the port that your techy needs access to. In general, for graphical issues use 5900 and for command-line issues use 22
9 REMOTE_PORT is the port that you'll get on the proxy server, any number over 1000 works as long as you and your techy plug in the same number
10 user@proxy is just your username at the remote proxy machine
14 [ -n $@
] || print_usage
20 ssh -T
-R
$REMOTE_PORT:localhost
:$PORT_TO_FORWARD $PROXY
22 # quick code that starts up a VNC server for us, if we like
23 # this won't run if START_VNC is set
24 [ -n
$START_VNC ] ||
exit
25 DISPLAY
="${DISPLAY:-:0}"
26 # -forever - x11vnc won't exit after the first disconnect
27 # -shared - allow multiple clients to share the same screen
28 # -localhost - only allow connections that are tunneled through localhost
29 x11vnc
-forever
-shared
-localhost