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Course Content

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Course Introduction
Pretest New
Platform Discussion
Why Should You Learn About Linux?
What Makes Linux Great?
What Is Open Source Software?
Open Source Licenses
Linux Distribution
Command Line vs. Graphical Interface
New Module Dia New

What Is Virtualization New
Learn More About Virtualbox New
Lab 2.1 Install Virtualbox New
Lab 2.2 Configure Networking Virtualbox New
Lab 2.3 Import Appliance (Virtual Machine) New
Lab 2.4 Access The Virtual Machine (VM) New
Lab 2.5 Introduction Automatic Grading System Nusactl New

Linux Standard Directory Tree
Basics of Navigating the Linux Filesystem New
Managing Files and Directories New
Text Editor on Linux New
Special Character In Linux New
Lab 3.1 - Create Files and Directories New
Lab 3.2 - Editing File Using Nano & Vim New
Lab 3.3 - Exploration Special Caracter New
Lab 3.4 - List and Count Files

What Is a Program?
What Is a Process?
Controlling Processes with ulimit
Creating Processes
Process States
Daemons
Set Priorities and Modifying the Nice Value
Static and Shared Libraries
Lab 4.1 - Manage Processes With Ulimit New
Lab 4.2 - Quiz Configure Resource Limits

What Are Signals?
Types of Signals
How to Use Kill Command
Lab 5.1: kill and pkill

Why Use Packages?
Software Packaging Concepts
Package Types
Varietys Package Management System
Lab 6.1 - Installing Package using APT
Lab 6.2 - Quiz Installing Package With Repository

Monitoring Tools
Viewing Process States with ps
Monitoring Using top Command
Monitoring Using htop Command
Memory Monitoring
More About Memory Monitoring in the /proc/meminfo
Monitoring Using vmstat Command
Monitoring Log Files
Lab 7.1 - Monitoring Process States

I/O Monitoring and Disk Bottlenecks
Monitoring I/O Disk Using Command iostat
Monitoring I/O Disk Using Command iotop

Filesystem Basics
Filesystem Varieties
Journaling Filesystems
Ext4 Superblock and Block Groups
Special Filesystems
XFS Filesystem
Inodes
Hard and Soft Links
Lab 8.1 - Making Hard Links New
Lab 8.2 - Making Soft Links New
Lab 8.3 - Making Links Between Files

Introduction mkfs Command
Introduction fsck Command
Mounting Filesystems
More About mount Command
Umount Filesystems
Network Shares (NFS)
Persistent Mounting Filesystems or Disks
Using df Command
Monitoring Disk Using du Command
Swap Memory
Lab 9.1: Create Swap File
Lab 9.2 - Explore Function df and du command New
Lab 9.3 - Managing Partitions Using parted and fdisk New

Logical Volume Management (LVM)
Volumes and Volume Groups
Logical Volumes Utilities
Creating Logical Volumes
Displaying Logical Volumes
Resizing Logical Volumes
Lab 10.1 - Logical Volumes

Kernel Overview
Kernel Command Line
Kernel Boot Parameters
Rescue Mode Ubuntu New

User Accounts
Creating User Accounts with useradd
Modifying and Deleting User Accounts
Locked Accounts
User IDs and /etc/passwd
Introduction /etc/shadow
Password Management
Restricted Shell
Password Aging (chage)
Restricted Accounts
The Root Account
Groups
SSH
Lab 12.1 - Manage User and Groups
Lab 12.2 - Create Restricted User New
Lab 12.3 - Manage Password Expiration Policy New
Lab 12.4 - Configure SSH Key Auth
Lab 12.5 - Quiz Create User and Group

Introduction Permission New
Octal Digits
File Access Rights
Using chmod Command
Chown and Chgrp
Umask
Filesystem ACLs
Lab 13.1 - Changing File Permissions via Chmod using Symbolic Mode
Lab 13.2 - Changing File Permissions via Chmod using Octal Digit New
Lab 13.3 - Managing File Access with ACL New
Lab 13.4 - Managing File Attributes in Linux New
Lab 13.5 - Quiz File Permissions, Ownership, and ACLs New
Lab 13.6 - Quiz File Permissions And Ownership

IP Addresses
IPv4 Address Classes
IPv4 Address Types
IPv6 Address Types
Reserved Addresses
Netmasks
Setting the Hostname
Lab 14.1 - Configure the hostname New

Understanding Network Device Name New
Understanding Function ip Command
Understanding Function ifconfig Command
Network Configuration Tools
Understanding Routing Function
Name Resolution
Network Diagnostics
Lab 15.1 - Static Configuration
Lab 15.2 - Apache Custom Domain Configuration

What Is a Firewall?
firewalld and firewall-cmd
firewalld Service Status
Understanding Zones Firewalld New
Configure Firewalld New
HTTPS Protocols New
Lab 16.1 - Configure HTTPS Using Self-Signed Certificate New
Lab 16.2 - Installing phpMyAdmin with Firewall Protection New
Lab 16.3 - Quiz Securing Port Webserver

Boot Sequence
BIOS
Boot Loaders
Shutting Down and Rebooting
What Is GRUB?
Interactive Selections with GRUB at Boot

The init Process
Startup Alternatives
systemd Features
systemd Configuration Files
systemctl
Lab 18.1: Adding a New Startup Service with systemd

Troubleshooting Levels
Basic Troubleshooting Techniques
Things to Check: Networking
Boot Process Failures
Rescue Mode in Linux New
Lab 19.1 - Quiz Troubleshooting Apache

Lab Challenge 1 - Working with file content
Lab Challenge 2 - Finding files
Lab Challenge 3 - Working with partition
Lab Challenge 4 - Comparing Files
Lab Challenge 5 - Manage User Accounts New
Postest New
Finish

Linux System Administration

New Module Dia