add ssh server setup guide

README.md

@@ -74,6 +74,12 @@ $ ssh -L 3000:172.16.16.2:3000 -L 29419:172.16.16.2:29419 mitpenang@100.72.57.12
 2. Open Chrome. Browse to Source Control Server [Mitech : Gitea](http://dev.mitech.com.sg:3000)
 3. Setup Gitea repo SSH access. [Reference from Github]](https://jdblischak.github.io/2014-09-18-chicago/novice/git/05-sshkeys.html)
 4. To clone, use `git ssh://...`
+5. Alternatively, use below command to keep the ssh port forwarding active in background
+```shell
+# -N : not to execute remote command
+# -f : run in the background
+$ ssh -N -f -L 3000:172.16.16.2:3000 -L 29419:172.16.16.2:29419 mitpenang@100.72.57.125
+```
 
 ---
 **Git**

ssh-guide.md

@@ -0,0 +1,3 @@
+# ssh Guides
+
+- [Windows SSH Server access Setup](https://askme4tech.com/how-install-and-configure-open-ssh-server-windows-10)