🔥 Kali Linux Commands Part 1: Master User Management Commands 👨‍💻 | Beginner's Guide (Gujarati)

Summary

This tutorial covers essential user management commands in Kali Linux, guiding users through various tasks such as logging in as root, switching users, and checking current user information. It demonstrates commands to view user details, manage passwords, and create new users. The video also delves into modifying user details, adding users to groups, and handling group permissions. Additionally, it explores how to delete users and groups efficiently, making it an invaluable resource for those looking to master user and group management in Kali Linux.

Takeaways

• 😀 The video introduces a series on Kali Linux user management commands, starting with user login and switching between users.
• 😀 The 'who' command helps identify the current user logged into the terminal, displaying the user's details.
• 😀 The 'id' command provides detailed information about the current user, including their user ID (UID) and group ID (GID).
• 😀 To view all users on the system, the 'cat /etc/passwd' command is used, which lists all registered users.
• 😀 When creating a new user with the 'useradd' command, root access is required to execute the command successfully.
• 😀 After creating a new user, you can set a password for them, with the 'passwd' command, and it is required to enter the current password before setting a new one.
• 😀 The 'usermod' command is used to modify a user's details, such as changing their login name.
• 😀 If a user is running processes, you must terminate these processes with the 'kill' command before making modifications to the user.
• 😀 Users can be deleted using the 'userdel' command, and checking the '/etc/passwd' file confirms the user has been removed.
• 😀 The 'groupadd' command is used to create new groups, and users can be added to specific groups using the 'usermod' command.
• 😀 Group management allows you to assign permissions to groups, ensuring users in that group can access certain files based on group permissions.
• 😀 The 'groupdel' command deletes groups, and the 'gpasswd' command helps manage group membership by adding or removing users from groups.

Q & A

What is the purpose of the `whoami` command in Kali Linux?

The `whoami` command is used to display the current logged-in user in the terminal. It helps users identify which user account is active in the session.

How can you switch from a regular user to the root user in Kali Linux?

You can switch from a regular user to the root user in Kali Linux by using the command `sudo su` or `su` followed by the root password.

What does the `id` command do in Kali Linux?

The `id` command shows details about the currently logged-in user, such as the user ID (UID), group ID (GID), and associated groups.

How can you list all users in a Kali Linux system?

To list all users in a Kali Linux system, you can use the command `cat /etc/passwd`. This file contains information about all the system's users.

What is the correct procedure to add a new user in Kali Linux?

To add a new user in Kali Linux, you need to use the `useradd` command followed by the username. For example, `sudo useradd dhruvesh` creates a new user named 'dhruvesh'. Make sure you have root privileges to execute this command.

How do you change a user's password in Kali Linux?

To change a user's password in Kali Linux, you can use the `passwd` command followed by the username. For example, `passwd dhruvesh` will allow you to set a new password for the user 'dhruvesh'.

What command is used to modify user information in Kali Linux?

The `usermod` command is used to modify user information in Kali Linux. For instance, `usermod -l ram dhruvesh` will change the username from 'dhruvesh' to 'ram'.

How do you remove a user from the system in Kali Linux?

To remove a user from the system, you can use the `userdel` command followed by the username. For example, `sudo userdel ram` will delete the user 'ram' from the system.

How can you check which users belong to a specific group in Kali Linux?

To check which users belong to a specific group in Kali Linux, you can view the `/etc/group` file using the command `cat /etc/group`.

What is the command to create a new group in Kali Linux?

To create a new group in Kali Linux, you can use the `groupadd` command followed by the group name. For example, `sudo groupadd sales` will create a new group named 'sales'.