small update

README.md

@@ -231,9 +231,11 @@ ssh -L 1534:192.168.133.10:1534 \
    -L 1535:192.168.133.10:22 \
    -L 1536:192.168.133.10:7301 \
    eive@2001:7c0:2018:1099:babe:0:e1fe:f1a5 \
-   -t /bin/bash
+   -t 'export CONSOLE_PREFIX="[Q7S Tunnel] /bin/bash'
 ```
 
+There is also a shell script called `q7s-port.sh` which can be used to achieve the same.
+
 # <a id="set-up-prereq"></a> Setting up prerequisites
 
 ## <a id="vivado"></a> Installing Vivado the the Xilinx development tools