Linux Administrator Complete Course - Lesson 2: Essential Linux Commands Every Admin Must Know

Описание: Master the fundamental Linux commands that every system administrator uses daily! In this comprehensive tutorial, you'll learn the most essential navigation and user management commands in Red Hat Enterprise Linux.

🎯 What You'll Learn:
• pwd command - Print working directory and find your current location
• cd command - Navigate through directories with all shortcuts and techniques
• tty command - Display current terminal information
• who & w commands - Monitor logged-in users and system activity
• User identification commands (id, groups, whoami, logname)
• System monitoring commands (uptime, last, lastb, lastlog)
• uname command - Get detailed system information

⏰ Key Timestamps:
00:00 - Introduction to essential Linux commands
00:20 - pwd command - Print working directory
00:37 - cd command - Change directory navigation
01:52 - tty command - Terminal information
01:56 - who command - View logged users
02:42 - w command - Detailed user activity
03:37 - uptime command - System uptime info
03:58 - User identification commands
05:15 - groups command - User group membership
05:29 - last command - Login history tracking
06:21 - lastb command - Failed login attempts
06:52 - lastlog command - Recent user logins
07:20 - uname command - System information

These commands form the foundation of Linux system administration. Whether you're a beginner or looking to strengthen your skills, this tutorial provides practical examples you can follow along with.

💡 Perfect for: Linux beginners, system administrators, IT professionals, and anyone preparing for Linux certifications.

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