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You are developing a Bash script to automate the management of user accounts on a Linux server. Your script needs to create a new user with a specified username, generate a random password, and assign that user to a specific group. What command sequence will achieve this while ensuring the password is securely stored?1.0 Marksusername="newuser"group="mygroup"useradd $username -g $grouppasswd $usernameread -p "Enter username: " usernamepassword=$(openssl rand -base64 12)group="mygroup"useradd $username -g $groupecho "$username:$password" | chpasswdusername="newuser"group="mygroup"password=$(openssl rand -base64 12)useradd $username -g $group -p $passwordusername="newuser"group="mygroup"password=$(openssl rand -base64 12)useradd $username -g $groupusermod -p $password $usernameread -p "Enter username: " usernamegroup="mygroup"useradd $username -g $grouppasswd -e $username

Question

You are developing a Bash script to automate the management of user accounts on a Linux server. Your script needs to create a new user with a specified username, generate a random password, and assign that user to a specific group. What command sequence will achieve this while ensuring the password is securely stored?1.0 Marksusername="newuser"group="mygroup"useradd username−gusername -g grouppasswd usernameread−p"Enterusername:"usernamepassword=usernameread -p "Enter username: " usernamepassword=(openssl rand -base64 12)group="mygroup"useradd username−gusername -g groupecho "username:username:password" | chpasswdusername="newuser"group="mygroup"password=(opensslrand−base6412)useradd(openssl rand -base64 12)useradd username -g group−pgroup -p passwordusername="newuser"group="mygroup"password=(opensslrand−base6412)useradd(openssl rand -base64 12)useradd username -g groupusermod−pgroupusermod -p password usernameread−p"Enterusername:"usernamegroup="mygroup"useraddusernameread -p "Enter username: " usernamegroup="mygroup"useradd username -g grouppasswd−egrouppasswd -e username

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Solution

The correct sequence of commands to achieve this task is:

username="newuser"
group="mygroup"
password=$(openssl rand -base64 12)
useradd $username -g $group
echo "$username:$password" | chpasswd

Here's a step-by-step explanation:

  1. username="newuser": This command sets the variable username to the value newuser.

  2. group="mygroup": This command sets the variable group to the value mygroup.

  3. password=$(openssl rand -base64 12): This command uses the openssl command to generate a random string of characters, which is then assigned to the variable password.

  4. useradd $username -g $group: This command creates a new user with the username stored in the username variable and assigns that user to the group stored in the group variable.

  5. echo "$username:$password" | chpasswd: This command uses the echo command to print the username and password (separated by a colon), and then pipes that output to the chpasswd command, which changes the password for the user specified. This ensures the password is securely stored.

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