An administrator needs to bring a running Linux server down to single user mode to perform maintenance while making sure that logged-in users are notified before the switch occurs and that running processes are terminated cleanly. According to the objective, which set of capabilities does this task fall under?
Explanation
Candidates should be able to alert users before switching runlevels / boot targets and properly terminate processes.
A technician is troubleshooting a server that fails to complete startup. They want to review kernel ring buffer messages produced during hardware detection and driver initialization at boot. Which utilities are appropriate for checking these boot events, according to the objective?
Explanation
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