Linux Essentials For Hackers #3 - Creating Users & Groups

Learn how hackers analyze user accounts and permissions in Linux systems. This video explains user information, groups, login details, and management commands that are crucial for privilege escalation and post-exploitation scenarios. Cybersecurity is all about identity. Learn how to manage users, switch accounts, and understand the power of the Superuser (Root).

Are you ready to master the Linux terminal and step into the world of Ethical Hacking and Cybersecurity? This playlist is a curated, step-by-step guide designed to take you from a complete beginner to a confident Linux power user.

What you’ll learn in this series:
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✅ Core Linux commands every hacker must know.
✅ Navigating the file system and managing permissions like a pro.
✅ Mastering the terminal and shell scripting for automation.
✅ Essential networking concepts for penetration testing.
✅ How to use Linux-based hacking tools (Kali Linux/Parrot OS).

Whether you're preparing for the CompTIA PenTest+, CEH, or OSCP, or just starting your journey into cybersecurity, these 10 videos will give you the foundational skills needed to think and act like a hacker.

Don’t just use the tools—understand the system. Hit play and start your Linux journey today! 🚀

Resources:
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Linux Notes: (https://github.com/brian0dayacademy-o...)
Cyber Security Cheat-Sheet: (https://github.com/brian0dayacademy-o...)

Timestamps:
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00:00 - Introduction to User and Group Management
00:13 - Checking current user and active users (whoami, w)
00:54 - Exploring the 'id' command: User and Group IDs
01:17 - Using the 'groups' command to see group memberships
02:35 - How to add a new user with 'useradd'
03:08 - Understanding Permissions and the 'sudo' command
04:22 - Practical Example: Adding users (viewer, Jacob)
05:13 - Verifying users in the /etc/passwd file
06:55 - Distinguishing real users from system services
07:56 - Home directories and shell information in /etc/passwd
08:29 - How to delete a user with 'userdel'
09:12 - Creating new groups with 'groupadd'
09:44 - Viewing all system groups in /etc/group
11:08 - Checking specific group memberships for users
11:45 - Adding users to a group using 'usermod -aG'
13:10 - Exploring 'usermod' options with manual pages (man)
13:58 - How to delete a group using 'groupdel'
14:55 - Conclusion and Summary

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