#Linux #LogonWarning #Customization

Full steps can be found at https://i12bretro.github.io/tutorials/0599.html

1. Log into the Linux device
2. Run the following command in a terminal

   create the logon notification text

   sudo nano /etc/logon-warning.txt
3. Enter the text to be displayed during logon, below is an example ******************************* WARNING ******************************* * * * This system is intended for use by authorized users only. * * Unauthorized or improper use of this system is strictly prohibited. * * * ***********************************************************************
4. Press CTRL+O, Enter, CTRL+X to write the changes
5. Continue with the following command in terminal

   edit ssh config file

   sudo nano /etc/ssh/sshd_config
6. Press CTRL+W and search for Banner
7. Uncomment the Banner line by removing the #
8. Enter the path to the logon-warning.txt file as the value Banner /etc/logon-warning.txt
9. Press CTRL+O, Enter, CTRL+X to write the changes
10. Continue with the following command in terminal

    restart the ssh server

    sudo systemctl restart ssh*
11. That's it, try connecting to a new session and the logon warning message should be displayed

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