version of this file?

An administrator accidentally deleted the /boot/vmlinuz file and must resolve the issue before the server is rebooted.

Which of the following commands should the administrator use to identify the correct

version of this file?
A . rpm -qa | grep kernel; uname -a
B . yum -y update; shutdown -r now
C . cat /etc/centos-release; rpm -Uvh –nodeps
D . telinit 1; restorecon -Rv /boot

View Answer

Answer: A

Explanation:

The command rpm -qa | grep kernel lists all the installed kernel packages, and the command uname -a displays the current kernel version. These commands can help the administrator identify the correct version of the /boot/vmlinuz file, which is the kernel image file. The other options are not relevant or helpful for this task.

Reference: CompTIA Linux+ (XK0-005) Certification Study Guide, Chapter 8: Managing the Linux Boot Process, page 267.