improve a little Usage jaaj and prepare rsp

remote_connection.sh

@@ -37,7 +37,7 @@ OPTION available
     -h, --help                              print this help and exit
     -u <user>,--user=<user>                 Select the user, by default root
     -p <port>,--port=<port>                 Select the port, by default 10022
-    -H <hostname>, --hostname=<hostname>    Select the host to connect
+    -H <hostname>, --hostname=<hostname>    Select the hostname to connect
 "
 
 
@@ -136,8 +136,6 @@ case "${protocol}" in
 esac
 
 
-echo try to connect with user=${user} and port=${port}
-echo port=${port}