XK0-006 Troubleshooting Practice Question
During boot, a Linux system displays a kernel panic. The administrator suspects a corrupt initramfs. Which GRUB boot parameter can be added to boot into an emergency shell before the initramfs is loaded, allowing repair?
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
✓
rd.break
The rd.break parameter stops the boot process before the initramfs is fully loaded, dropping to a shell for troubleshooting.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
single
Why it's wrong here
single boots into single-user mode but may still use initramfs.
- ✗
init=/bin/bash
Why it's wrong here
This bypasses init but still uses initramfs.
- ✓
rd.break
Why this is correct
Correct: rd.break breaks before initramfs pivot.
- ✗
emergency
Why it's wrong here
emergency boots to emergency target but after initramfs.
Go deeper
Related to this question
Learn chapter
Linux Fundamentals and History
Key term
Process
In IT service management, a process is a structured set of activities designed to accomplish a specific objective, such as managing incidents or changes, by transforming inputs into defined outputs.
Key term
Kernel
The kernel is the core program of an operating system that manages hardware resources and provides essential services for all other software to run.
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JA
Written by Johnson Ajibi, MSc IT Security
Senior Network & Security Engineer · founder of Courseiva
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