Every time when u are connecting to Ubuntu machiens through ssh client, you receive the same message(default).If u want to change this welcome message then u have to edit some files in Your ubuntu machines
Here's the message that I get every time:
Changing this message requires editing two different files. The first three sections can be modified by editing the following file:
This file contains the linux build number as well as the Ubuntu warranty message. I don't find this particularly useful, so I removed all of it and replaced it with my own message.
To disable the last login message (which I don't recommend doing), you will need to edit the following file in sudo mode:
Find this line in the file and change the yes to no as shown:
Now when you login, you'll get a blank prompt, although I wouldn't necessarily recommend it because it's useful to see the last login to the system for security reasons. This is my prompt now: