A user logs in to a Linux server and attempts to run the following command: sudo emacs /root/file However, the user gets the following message: User userid is not allowed to execute 'emacs' on this…

The correct answer is B. sudo -1 -U userid. This is the best command to find out which commands can be used by a user with sudo privileges because it lists the allowed and forbidden commands for a given user or role. The -l option stands for list, and the -U option specifies the user name. The output of this command will…

Server administration

Question

A user logs in to a Linux server and attempts to run the following command:

sudo emacs /root/file However, the user gets the following message:

User userid is not allowed to execute 'emacs' on this server. Which of the following would BEST allow the user to find out which commands can be used?

Options

Avisudo | grep userid
Bsudo -1 -U userid
Ccat /etc/passwd
Duserlist | grep userid

How the community answered

(49 responses)

A
2% (1)
B
90% (44)
C
6% (3)
D
2% (1)

Explanation

This is the best command to find out which commands can be used by a user with sudo privileges because it lists the allowed and forbidden commands for a given user or role. The -l option stands for list, and the -U option specifies the user name. The output of this command will show what commands can be executed with sudo by that user on that server.

Topics

#Sudo permissions#User access#Troubleshooting access

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