This LPIC-1 practice question tests your understanding of gnu and unix commands. This is a configuration task: choose the command set that satisfies every stated requirement. Small differences — like 'secret' vs 'password' or 'transport input ssh' vs 'all' — change whether the answer is correct. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
A system administrator notices that the system's syslog messages are not being written to /var/log/messages. The rsyslog service is running. The administrator wants to check the configuration syntax of rsyslog. Which command should be used?
Clue words in this question
Noticing these words before you look at the options changes how you read each choice.
Clue: "which command"
Why it matters: Tests specific CLI syntax. Recall the exact command and its required context — near-synonyms and partial matches are common distractors.
rsyslogd -d
Why wrong: -d runs rsyslog in debug mode, which does not specifically check syntax.
rsyslogd -f
Why wrong: -f specifies an alternative config file but does not check syntax.
rsyslogd -N
-N performs a syntax check on the configuration file.
rsyslogd -v
Why wrong: -v shows version information, not a syntax check.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
rsyslogd -N
The correct command is `rsyslogd -N` because the `-N` option performs a configuration syntax check without starting or restarting the rsyslog daemon. This allows the administrator to validate the rsyslog configuration file for errors before applying changes, ensuring that syslog messages will be written correctly to /var/log/messages.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
rsyslogd -d
Why it's wrong here
-d runs rsyslog in debug mode, which does not specifically check syntax.
rsyslogd -f
Why it's wrong here
-f specifies an alternative config file but does not check syntax.
rsyslogd -N
Why this is correct
-N performs a syntax check on the configuration file.
Clue confirmation
The clue word "which command" in the question point toward this answer.
Related concept
Read the scenario before looking for a memorised answer.
rsyslogd -v
Why it's wrong here
-v shows version information, not a syntax check.
Common exam traps
The trap here is that candidates may confuse `-N` with `-d` (debug mode) or `-f` (config file path), assuming that running the daemon with a verbose flag or specifying a file will reveal syntax errors, whereas only `-N` performs a dedicated syntax check without executing the daemon.
Trap categories for this question
Command / output trap
-v shows version information, not a syntax check.
Detailed technical explanation
The `-N` option (or `--syntax-check`) instructs rsyslogd to parse the configuration file and report any syntax errors without actually starting the daemon. This is crucial in production environments where a misconfigured rsyslog could cause log loss or service failure. The check validates directives, module loads, and action queues, but does not test runtime behavior like network connectivity or file permissions.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
A practitioner preparing for the LPIC-1 exam encounters this exact type of scenario on the job. The correct answer here is not the most general option — it is the best answer for the specific constraint described. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Real exam questions reward reading the full scenario before eliminating options, because the constraint defines which answer fits.
What to study next
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
GNU and Unix Commands — study guide chapter
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FAQ
GNU and Unix Commands — This question tests GNU and Unix Commands — Read the scenario before looking for a memorised answer..
The correct answer is: rsyslogd -N — The correct command is `rsyslogd -N` because the `-N` option performs a configuration syntax check without starting or restarting the rsyslog daemon. This allows the administrator to validate the rsyslog configuration file for errors before applying changes, ensuring that syslog messages will be written correctly to /var/log/messages.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Yes — watch for: "which command". Tests specific CLI syntax. Recall the exact command and its required context — near-synonyms and partial matches are common distractors.
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 25, 2026
This LPIC-1 practice question is part of Courseiva's free LPI certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the LPIC-1 exam.
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