A systems administrator attempts to edit a file as root, but receives the following error: Which of the following commands allows the administrator to edit the file?

The correct answer is B. chattr -i /etc/resolv.conf. The lsattr output shows the immutable (i) attribute set on /etc/resolv.conf. This prevents any modifications, even by root. Running chattr -i removes the immutable flag, allowing the administrator to edit the file.

Troubleshooting

Question

A systems administrator attempts to edit a file as root, but receives the following error:

Which of the following commands allows the administrator to edit the file?

Exhibit

Options

Achown root /etc/resolv.conf
Bchattr -i /etc/resolv.conf
Cchmod 750 /etc/resolv.conf
Dchgrp root /etc/resolv.conf

How the community answered

(51 responses)

A
16% (8)
B
75% (38)
C
6% (3)
D
4% (2)

Explanation

The lsattr output shows the immutable (i) attribute set on /etc/resolv.conf. This prevents any modifications, even by root. Running chattr -i removes the immutable flag, allowing the administrator to edit the file.

Topics

#chattr#immutable file#file attributes#file permissions

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