It's easy to create your own welcome message for remote users who log in to your Ubuntu Linux machine. We'll show you how to create your own custom banner in no time!
Adding a Welcome Message
Sudo to root.
You will need to modify superuser file.
Open the config file for the banner.
Type vim /etc/issue.net
Read the file.
You will get a screen similar to the one shown.
Add your message.
Next just below the lines of Debian 6.0, type any custom message you feel.
Check the look of the file.
The issue.net file looks as shown
Exit out of this file.
Save the changes by typing EscKey + !wq
Configuring SSH Daemon
Close SSH if running.
You need to make SSH understand that you need to enable the Banner Message.
Open the configuration file.
Issue the command, vim /etc/ssh/sshd_config
Modify the file.
Now in the sshd_config file, you need to uncomment the Banner portion as shown
Issue the command –> /etc/init.d/ssh restart
Wait until restarted.
The OpenSSH Server Daemon process will restart.
Testing the Message
Connect via localhost.
After this is done, you can test it by issuing a test login via localhost by issuing the following command ssh localhost