How to Set up a Custom Banner Message in Your Ubuntu Linux

This updated guide examines How to Set up a Custom Banner Message in Your Ubuntu Linux and organizes the essential facts, background, and practical takeaways in clear American English.

Part 1of 3:

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

Part 2of 3:

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
Start SSH. Issue the command --> /etc/init.d/ssh restart
Wait until restarted. The OpenSSH Server Daemon process will restart.

Part 3of 3:

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
Type yes to connect.

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