Course Outline

How to Get the Most Out of This Course

The Ultimate Linux Administration Cheat Sheet

Course Outline

How to Get the Most Out of This Course

The Ultimate Linux Administration Cheat Sheet

Linux Distributions

Installing Ubuntu in a VM

Things to Do After Installing Ubuntu

Ubuntu and Linux Mint Download Links (OVA Files)

Migrating to Linux

Terminals, Consoles, Shells and Commands

Linux Command Structure

Getting Help, Man Pages (man, type, help, apropos)

Commands - Getting Help

Quiz for Getting Help in Linux (5 questions)

Mastering the Terminal: The TAB Key

Mastering the Terminal: Keyboard Shortcuts

Commands - Keyboard Shortcuts

Quiz for Mastering the Terminal (7 questions)

Mastering the Terminal: The Bash History

Running Commands Without Leaving a Trace

Recording the Date and Time for Each Line in History

Commands - The Bash History

root vs. Non-privileged Users. Getting root Access (sudo, su, passwd)

Intro to The Linux Files System

The Filesystem Hierarchy Standard (FHS)

Absolute vs. Relative Paths. Walking through the File System (pwd, cd, tree)

Commands - Paths

Quiz for The Linux File System (10 questions)

The LS Command In Depth (ls)

Commands - ls

Understanding File Timestamps: atime, mtime, ctime (stat, touch, date)

Sorting Files by Timestamp

File Types in Linux (ls -F, file)

Commands - File Types and Timestamps

Quiz for LS, File Types and Timestamps (9 questions)

Viewing Files - Part 1 (cat)

Viewing Files - Part 2 (less)

Viewing Files - Part 3 (tail, head, watch)

Commands - Viewing Files

Quiz for Viewing Files (5 questions)

Creating Files and Directories (touch, mkdir)

Copying Files and Directories (cp)

Moving and Renaming Files and Directories (mv)

Removing Files and Directories (rm, shred)

Commands - touch, mkdir, cp, mv, rm, shred

Quiz for mkdir, cp, mv, rm, shred (8 questions)

Working With Pipes in Linux (|, wc)

Command Redirection (>, >>, 2> &>, cut, tee)

Commands - Piping and Redirection

Quiz for Piping and Command Redirection (7 questions)

Finding Files and Directories - Part 1 (which, plocate)

Commands - plocate, find

Finding Files and Directories - Part 2 (find)

Find and Exec

Searching for String Patterns in Text Files (grep)

Commands - grep

Searching for Strings in Binary Files (strings)

Quiz for locate, find and grep (8 questions)

Comparing Files (cmp, diff, sha256)

The Basics of VIM Text Editor

The VIM Editor In Depth - Part 1

The VIM Editor In Depth - Part 2

Commands - VIM

Quiz for VIM Editor (6 questions)

Compressing and Archiving Files and Directories (tar, gzip)

Hard Links and the Inode Structure

Working With Symlinks. Symlinks vs. Hard Links

Quiz for Hard and Symlinks

Understanding passwd and shadow files

Understanding Linux Groups (groups, id)

Creating User Accounts (useradd)

Changing and Removing User Accounts (usermod, userdel)

Creating Admin Users

Group Management (groupadd, groupdel, groupmod)

User Account Monitoring (whoami, who am i, who, id, w, uptime, last)

Commands - Account Management

Understanding File Permissions

Octal (Numeric) Notation of File Permissions

Changing File Permissions (chmod)

The Effect of Permissions on Directories

Combining Find and Chmod Commands Together

Changing File Ownership (chown, chgrp)

Understanding SUID (Set User ID)

Understanding SGID (Set Group ID)

Understanding the Sticky Bit

Umask

Understanding Files Attributes (lsattr, chattr)

Processes and The Linux Security Model

Listing Processes (ps, pstree)

Commands - ps, pstree, pgrep

Getting a Dynamic Real-Time View of the Running System (top, htop)

Commands - top

Signals and Killing Processes (kill, pkill, killall, pidof)

Foreground and Background Processes

Job Control (jobs, fg, bg)

Commands - kill, pkill, killall, jobs, fg, bg, nohup

Getting Information about the Network Interfaces (ip, ifconfig)

Configuring the Network On The Fly (ifconfig, ip, route)

Commands - ifconfig, ip, route

Quiz for Network Interfaces (5 questions)

Setting Up Static IP on Ubuntu (netplan)

Commands - netplan

Testing and Troubleshooting Network Connectivity

Using SSH

Troubleshooting SSH

Securing the OpenSSH Server (sshd)

Commands - SSH

Copying Files Over the Network (scp)

Synchronizing Files and Directories using rsync

Using rsync Over the Network

Commands - scp, rsync

Using wget

Checking for Listening Ports (netstat, ss, lsof, telnet, nmap)

DPKG (Debian and Ubuntu Based Distros)

Intro to APT

Using APT (Advanced Package Tool)

Commands - dpkg, apt

Quiz for dpkg and apt (10 questions)

Compiling Programs from Source Code vs. Package Manager

Compiling C Programs

Compiling Software From Source Code: Lab ProFTPD

Introduction to Podman

Getting Started with Podman

Running an Nginx Server on Alpine in a Podman Container

Diving into Pods: A Real-World Example

Monitoring Pods and Containers

Ensuring Data Persistence with Volumes

Task Automation and Scheduling Using Cron (crontab)

Commands - Cron

Scheduling Tasks Using Anacron (anacron)

Quiz for Cron and Anacron (5 questions)

Mounting and Unmounting File Systems (df, mount, umount, fdisk, gparted)

Working With Device Files (dd)

Getting System Hardware Information (lshw, lscpu, lsusb, lspci, dmidecode, hdparm)

Commands - Getting Hardware Information

Quiz for Getting Hardware Information (5 questions)

Intro to systemd

Service Management (systemd and systemctl)

Project Introduction

Installing and Configuring ShellGPT

Using ShellGPT like a PRO

The Chat Feature of ShellGPT

Running a Linux Server in the Cloud

Securing SSH with Key Authentication

Getting a Domain Name

Diving into the DNS Protocol and Installing a DNS Server (Bind9)

Setting Up the Authoritative BIND9 DNS Server

Installing a Web Server (Apache2)

Setting Up Virtual Hosting

Securing Apache with OpenSSL and Digital Certificates

Installing PHP

Installing and Securing the MySQL Server

Installing a Web Application (WordPress)

Bash Aliases

Intro to Bash Shell Scripting

The Bash Shebang and Comments

Running Scripts

Variables in Bash

Environment Variables

Getting User Input

Special Variables and Positional Arguments

If, Elif and Else Statements

Testing Conditions For Numbers

Multiple Conditions and Nested If Statements

Command Substitution

Comparing Strings in If Statements

Lab: Testing Network Connections

For Loops

Lab: Dropping a List of IP Addresses Using a For Loop

While Loops

Case Statement

Functions in Bash

Variable Scope in Functions

Menus in Bash. The Select Statement

Lab: System Administration Script Using Menus

Intro to Bash Arrays

Arrays In Depth

Using the Readarray Command

Iterating Over Arrays

Project: Account Creation

Running a DoS Attack Without root Access (ulimit)

Scanning Networks with Nmap

ARP Scanning (arp-scan and netdiscover)

Hacking Google Searches (Google Dorks)

Using Wireshark for Packet Sniffing and Analyzing

Capture Traffic Using tcpdump

What is IPFS and How It Works

Installing IPFS on Linux

Running an IPFS Node on Linux

Pinning Objects

Introduction to Netfilter and Iptables

Netfilter Chains

Netfilter Tables

Chain Traversal in a Nutshell

Iptables Basic Usage

Iptables Options (Flags) - Part 1

Iptables Options (Flags) - Part 2

Where Do We Write Iptables Rules

Setting the Default Policy

Deleting the Firewall

Filter by IP Address

Filter by Port

Intro to Stateful Firewalls (Connection Tracking)

Implementing Stateful Firewalls with Iptables

Filter by MAC Address

Match by Date and Time

The ACCEPT and DROP Targets

The LOG Target

SSH Public Key Authentication Overview

Generating SSH Key Pair on Windows

What about MacOS?

Generating SSH Key Pair on Linux

Configuring SSH Public Key Authentication on Linux

Linux Admin Training Program

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KEY POINTS

90+

18+

1500+

5+

ZebLearn Certification Partners – Globally Recognized Credentials!

Course content

Why Should You Learn Linux Admin Training?

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DSP & Microcontrollers

Computer Hardware

Cisco

Cisco & Networking Certifications

Linux Admin Training Program

Check Your Course Fee

KEY POINTS

90+

18+

1500+

5+

ZebLearn Certification Partners – Globally Recognized Credentials!

Course content

# Getting Started

# Getting Started

# Setting Up the Environment

# The Linux Terminal In Depth

# The Linux File System

# User Account Management

# Linux File Permissions

# Linux Process Management

# Networking on Linux

# Software Management

# Containerizing Applications with Podman

# System Administration

# Use AI and Natural Language to Administer Linux Systems (ChatGPT & ShellGPT)

# Configure a Linux Server from Scratch (VPS,DNS,WEB,PHP,MySql,Wordpress)

# Bash Shell Scripting

# Security: Information Gathering and Sniffing Traffic

# IPFS - The Interplanetary File System

# Security: Netfilter and Iptables Firewall

# Security: SSH Public Key Authentication

Why Should You Learn Linux Admin Training?

Request more information

What you will get at Zeblearnindia Learning?

() 60 Minutes WEBINAR with CERTIFICATE

Explore Our Courses Across India - Flexible batches