If you log into a terminal based system (RHEL, Ubuntu Server, etc...), you might notice some text before you are presented with you shell. That message is being controlled by the file
This file can be edited at any time to display text to make sure people are aware of whats happening on the system.
You can also just append to the
/etc/motd file by adding the following file named
/etc/motd.tail. Once that file is added, you may append additional information to the original