User Management

Question 1

add a user in Ubuntu server, run the following command(s):

Answer 1

sudo adduser username

Question 2

delete a user account and its primary group, run the following command(s):

Answer 2

sudo deluser username

Question 3

To temporarily lock a user account, run the following command(s):

Answer 3

sudo passwd -l username

Question 4

to unlock a user account, run the following command(s):

Answer 4

sudo passwd -u username

Question 5

to add a personalised group, run the following command(s):

Answer 5

sudo addgroup groupname

Question 6

to delete a personalised group, run the following command(s):

Answer 6

sudo delgroup groupname

Question 7

to add a user to a group, run the following command(s):

Answer 7

sudo adduser username groupname

Question 8

to list groups, run the following command(s):

Answer 8

groups

Question 9

to change one’s password, run the following command(s):

Answer 9

passwd

Question 10

to change other user’s password, run the following command(s):

Answer 10

sudo passwd username

Question 11

To view the current status of a user account, run the following command(s):

Answer 11

sudo chage -l username

Question 12

to change a user’s password expiration value, run the following command(s):

Answer 12

sudo chage username