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
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