XK0-006 System Management Practice Question
An administrator notices that a service named 'httpd' is not running. They want to check its current status and, if inactive, start it. Which set of systemctl commands should be used?
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
systemctl status httpd; if inactive, systemctl start httpd
systemctl status httpd shows the status; if inactive, systemctl start httpd starts it. The other options have incorrect commands or syntax.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
systemctl list-units httpd; if inactive, systemctl run httpd
Why it's wrong here
list-units shows units but does not filter by name; run is not a valid subcommand.
- ✗
systemctl show httpd; if inactive, systemctl launch httpd
Why it's wrong here
show displays properties; launch is not a valid subcommand.
- ✗
systemctl is-active httpd; if inactive, systemctl enable httpd
Why it's wrong here
enable enables at boot, does not start.
- ✓
systemctl status httpd; if inactive, systemctl start httpd
Why this is correct
Correct sequence.
Go deeper
Related to this question
Learn chapter
Advanced Shell Scripting and Automation
Key term
systemctl
systemctl is the command-line tool used to inspect, start, stop, enable, or disable services managed by the systemd init system in Linux.
Key term
Service
A service is a software component or system that performs a specific function and is available to be used by other programs or users over a network.
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Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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