port_fwd.sh

# Make sure the port is allowed for SSH on the server
REMOTE_PORT=1234
LOCAL_PORT=1234
USER=""
MACHINE=""
ssh -N -L localhost:${REMOTE_PORT}:localhost:${LOCAL_PORT} ${USER}@${MACHINE}.inf.ed.ac.uk

### James Owers port forwarding setup
local_port=1234
remote_port=1234
user=s1833057
first_server=staff.ssh.inf.ed.ac.uk
second_server=typex.inf.ed.ac.uk
ssh -L ${local_port}:localhost:${remote_port} -J ${user}@${first_server}  ${user}@${second_server}