206.3 - Notify users on system-related issues

Weight: 1

Description: Candidates should be able to notify the users about current issues related to the system.

Key Knowledge Areas:

• ​Automate communication with users through logon messages
• Inform active users of system maintenance

Terms and Utilities:

• /etc/issue
• /etc/issue.net
• /etc/motd
• wall
• /sbin/shutdown
• systemctl