Introduction to Linux

Instructor

• Beau Carnes

Course Objective

• Designed for computer users with limited or no previous exposure to Linux, whether in individual or Enterprise environments
• Explore tools and techniques used by Linux system administrators and end users for day-to-day work
• Gain a working knowledge of Linux from both graphical and command line perspectives

Course Content

• Navigate through major Linux distributions
• System configurations and graphical interfaces of Linux
• Basic command line operations
• Common applications of Linux

Upon Completion

• Good working knowledge of Linux from both graphical and command line perspectives
• Confidently navigate any major Linux distributions

Course Development

• Developed by the Linux Foundation
• Grant provided by the Linux Foundation made this course possible
• Sample Linux commands provided throughout the course

Pre-requisites

• At least one Linux distribution installed

Major Topics Covered

1. Software Environment Required
2. Major Linux Distribution Families
   • Red Hat Family Systems
     • Centos, Centos Stream, Fedora, Oracle Linux
   • Susie Family Systems
     • Open Susie, Suse Linux
   • Debian Family Systems
     • Ubuntu, Linux Mint

Installation Methods

• Standalone Linux machine
• Dual boot
• Physical or virtual installs

Linux Boot Process

• BIOS initialization
• Bootloader
• Kernel loading
• Init process

Key Directories

• /bin, /sbin: Essential command binaries
• /proc: Process and kernel info
• /dev: Device files
• /var: Variable data
• /etc: Configuration files
• /boot: Boot loader files
• /lib, /lib64: Essential libraries
• /media, /mnt: Mount points for removable media
• /usr: User utilities and applications

Common Terms and Commands

• File system hierarchy: Root, directories, paths
• Commands: ls, cd, pwd, cat, cp, mv, rm
• File Permissions: Read, write, execute

Graphical Interface and Session Management

• Login and log out
• Lock/Unlock screen
• Switch users
• Reboot and shutdown

Command Line Interface (CLI)

1. Basic Operations:
2. Script Execution:

Software Installation and Updates

• Using dpkg and apt for Debian-based systems
• Using RPM and dnf/yum for Red Hat-based systems
• Using zipper for Susie-based systems

Advanced Topics

• Administrative Privileges
• sudo command and configuration
• Su command
• Process management: ps, top
• Background and foreground processes

Networking

• Basic concepts: IP addressing, DNS
• Network configuration: /etc/network (Debian), /etc/sysconfig/network (Red Hat)
• Commands: ping, ifconfig, ip, traceroute, route
• Tools: Network Manager, nmcli, nmtui

File and Text Manipulation

• Utilities: cat, less, head, tail, grep, sed, awk
• Stream Editing: sed
• Pattern Matching: grep, regular expressions

Documentation and Help

• Man pages
• Info system
• --help option
• Other documentation sources

Summary

• Gained a comprehensive understanding of Linux from both graphical and command line perspectives
• Encouraged to continue leveraging resources and practicing
• Supplemental topics available in a text-based course linked in the video description