A security administrator wants to display a warning banner before a user logs in.
Which of the following files must be edited to make this happen?
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A. B. C. D.D.
https://kerneltalks.com/tips-tricks/how-to-configure-login-banners-in-linux/The correct answer is B. /etc/issue.
Explanation: When a user logs in to a Linux system, the system typically displays some information before the login prompt. This information is usually contained in one of two files: /etc/issue or /etc/motd.
/etc/issue is the file that is displayed before the login prompt, while /etc/motd is the file that is displayed after the user logs in.
To display a warning banner before the user logs in, the security administrator should edit the /etc/issue file. This file can contain any text that the administrator wants to display, including a warning banner.
The other files listed in the answer choices are not relevant to displaying a warning banner before a user logs in:
A. /etc/services - This file contains information about the network services that are available on the system.
C. /etc/hosts - This file contains mappings between IP addresses and hostnames.
D. /etc/motd - This file is displayed after the user logs in and can contain any text that the administrator wants to display.