Linux: Linux Security Masterclass: 3-In-1

One-stop solution to all your Linux security problems!

What you'll learn

Work with the command-line efficiently, learn how to navigate the Linux filesystem, and work with files.

Protect your Linux Server by securing memory, using security banners, and P.W. management

Securing your Linux Server with firewalls and SSL encryptions

Discourage hackers by setting up services such as IP Spoofing Prevention, SSL Security, and more

Enhance user logins with SSH Keys

Harden your Linux Server with DDoS Protection, Public Keys, and more

Prevent intruders from planting malware, and detect whether malware has been planted

Prevent insiders from accessing data that they aren’t authorized to access

Do quick checks to see whether a computer is running network services that it doesn’t need to run

Learn security techniques that are common to all Linux distros, and some that are distro-specific

Requirements

Prior knowledge of Linux is mandatory.

Description

Linux is the first choice for any attacker now and more administrators have started moving to the system to create networks or servers for any task. This course will help you create a more secure Linux system.This comprehensive 3-in-1 course is a step by step guide that will help you to take control of your Linux servers and teach you hands-on techniques which will protect your server from internet attacks—from techniques that hackers use today in order to exploit your server, to hardening your server with some of the most advanced protocols out there. Prevent server exploits such as DDoS Protection, hardening login security protocols, and more! Perform a number of advanced Linux security techniques such as network service detection, user authentication, controlling special permissions, encrypting file systems, and much more!Contents and Overview This training program includes 3 complete courses, carefully chosen to give you the most comprehensive training possible. The first course, Fundamentals of Linux, covers fundamentals of Linux in a step by step manner. This course explains and teaches all the important command-line tools and utilities, using very easy to understand, real-world examples to follow along with—in short, you'll learn everything you really need to know about Linux when starting out from scratch as a new system administrator or for any other reason. The second course, Linux Server Security, covers securing your Linux server with the help of efficient tools and techniques. You will start by discovering techniques that professional hackers use in order to scan a website and a server, in order to carry out their intrusion attacks. Create secure accounts where we'll look into deleting and creating user accounts password and monitoring servers. Maintain your Linux Server in order to get optimized performance and stability. Moving ahead, you will focus on tools that can be used to enhance server security, understand the art of hardening passwords, and fix authentication failures. By the end of the course, you will be confident enough to take control of your Linux servers and use hands-on techniques to protect your server from internet attacks. The third course, Mastering Linux Security and Hardening, covers mastering the art of preventing your Linux system from getting compromised. This course has extensive coverage of techniques that will help prevent attackers from breaching your system, by building a much more secure Linux environment. Learn various security techniques such as SSH hardening, network service detection, and setting up firewalls, encrypting file systems, protecting user accounts, authentication processes, and so on. Moving forward, you will also develop hands-on skills with advanced Linux permissions, access control, special modes, and more. Lastly, this course will also cover best practices and troubleshooting techniques to get your work done efficiently. By the end of this course, you will be confident in delivering a system that will be much harder to compromise. By the end of the course, you’ll secure your Linux server and protect it from intruders, malware attacks, and other external threats with the help of efficient tools and techniques.
About the AuthorsOliver Pelz has more than 10 years' experience as a software developer and system administrator. He graduated with a diploma degree in bioinformatics and is currently working at the German Cancer Research Center in Heidelberg, where he has authored and co-authored several scientific publications in the field of bioinformatics. He loves coding and riding his mountain bike in the Black Forest of Germany. He develops web applications and biological databases for his department and scientists all over the world and administers a division-wide Linux-based datacenter. A certified website master, avid hacktivist, and active journalist, Aubrey started his programming career on a Commodore Vic-20, on which he built his first Hello World app. He has built several websites, mobile apps, and Windows applications. On his journeys, he has been a Linux system administrator, ethical hacker, website master, mobile developer, application creator, and game developer. Donald A. Tevault—but you can call him Donnie—got involved with Linux way back in 2006, and has been working with it ever since. He holds the Linux Professional Institute Level 3—Security certification, and the GIAC Incident Handler certification. Donnie is a professional Linux trainer, and thanks to the magic of the internet, teaches Linux classes literally the world over from the comfort of his living room.

Overview

Section 1: Fundamentals of Linux

Lecture 1 The Course Overview

Lecture 2 Introducing Concepts of Virtualization

Lecture 3 Installing CentOS 7 in Virtualbox

Lecture 4 How to work with Virtualbox

Lecture 5 Connect to Your VM Through SSH

Lecture 6 Working with Commands

Lecture 7 File Globbing

Lecture 8 Quoting Commands

Lecture 9 Getting Help in the Command Line

Lecture 10 Working in the Shell Efficiently

Lecture 11 Streams, Redirects, and Pipes

Lecture 12 Regular Expressions and grep

Lecture 13 The sed Command

Lecture 14 The Awk Command

Lecture 15 Navigating the Linux Filesystem

Lecture 16 Working with Files

Lecture 17 How to Work with File Links

Lecture 18 Searching for Files

Lecture 19 Working with Users and Groups

Lecture 20 Working with File Permissions

Lecture 21 Working and Viewing Text Files in Linux

Lecture 22 The VIM Text Editor

Lecture 23 Essential Linux Commands

Lecture 24 Additional Linux Programs

Lecture 25 Processes

Lecture 26 Signals

Lecture 27 How to Work with Bash Shell Variables

Lecture 28 Introduction to Bash Shell Scripting

Lecture 29 Introduction to Bash Shell Scripting 2

Lecture 30 How to Automate Script Execution

Lecture 31 Basic Networking Concepts

Lecture 32 Basic Networking Concepts 2

Lecture 33 Install New Software and Update the System

Lecture 34 Introduction to Services

Lecture 35 Basic System Troubleshooting and Firewalling

Lecture 36 Introducing ACL

Lecture 37 Setuid, Setgid, and Sticky Bit

Section 2: Linux Server Security

Lecture 38 The Course Overview

Lecture 39 Network Mapping

Lecture 40 Nikto

Lecture 41 Reverse IP

Lecture 42 Stress Testing

Lecture 43 Updates

Lecture 44 Passwords

Lecture 45 Passwords (Continued)

Lecture 46 Accounts

Lecture 47 HTOP

Lecture 48 Backup

Lecture 49 Uninstall

Lecture 50 Update O.S.

Lecture 51 Hardware

Lecture 52 Zabbix

Lecture 53 Cloudflare

Lecture 54 Let’s Encrypt

Lecture 55 Fail2ban

Lecture 56 SSH Keys

Lecture 57 Listing Edits

Lecture 58 Password Strength

Lecture 59 Authentication Fails

Lecture 60 Removing Passwords

Lecture 61 Aliases Computers

Lecture 62 Password Management

Lecture 63 ClamAV

Lecture 64 Memory Time

Lecture 65 Security Banner

Lecture 66 IP Spoofing

Section 3: Mastering Linux Security and Hardening

Lecture 67 The Course Overview

Lecture 68 The Threat Landscape and Keeping Up with Security News

Lecture 69 Introduction to VirtualBox and Cygwin

Lecture 70 Setting Up sudo Privileges for Full Administrative Users

Lecture 71 Setting Up sudo for Users with Only Certain Delegated Privileges

Lecture 72 Advanced Tips and Tricks for Using sudo

Lecture 73 Locking Down Users' Home Directories the Red Hat/CentOS and Debian/Ubuntu Way

Lecture 74 Enforcing Strong Password Criteria

Lecture 75 Setting and Enforcing Password and Account Expiration

Lecture 76 Preventing Brute-Force Password Attacks

Lecture 77 Locking User Accounts

Lecture 78 An Overview of iptables

Lecture 79 Uncomplicated Firewall for Ubuntu Systems

Lecture 80 firewalld for Red Hat Systems

Lecture 81 nftables – A More Universal Type of Firewall System

Lecture 82 GNU Privacy Guard

Lecture 83 Encrypting Partitions with Linux Unified Key Setup – LUKS

Lecture 84 Encrypting Directories with eCryptfs

Lecture 85 Using VeraCrypt for Cross-Platform Sharing of Encrypted Containers

Lecture 86 Ensuring that SSH Protocol 1 Is Disabled

Lecture 87 Creating a User’s SSH Key Set

Lecture 88 Disabling Username/Password Logins

Lecture 89 Changing Ownership of Files and Directories

Lecture 90 Setting Permissions Values

Lecture 91 Using SUID and SGID

Lecture 92 Protecting Sensitive Files

Lecture 93 Creating an Access Control List

Lecture 94 Creating an Inherited Access Control List

Lecture 95 Removing a Specific Permission

Lecture 96 Preventing Loss of ACLs

Lecture 97 Creating a User Group and Adding Members to It

Lecture 98 Setting the SGID Bit and the Sticky Bit

Lecture 99 Accessing Files in the Shared Directory

Lecture 100 How SELinux Can Benefit a Systems Administrator?

Lecture 101 Setting Security Contexts for Files and Directories

Lecture 102 Troubleshooting with setroubleshoot

Lecture 103 Working with SELinux Policies

Lecture 104 Looking at AppArmor Profiles

Lecture 105 Working with AppArmor Command-Line Utilities

Lecture 106 Installing and Updating ClamAV and maldet

Lecture 107 Scanning with ClamAV and maldet

Lecture 108 SELinux Considerations

Lecture 109 Scanning for Rootkits with Rootkit Hunter

Lecture 110 Controlling the auditd Daemon and Creating Audit Rule

Lecture 111 Using ausearch and aureport

Lecture 112 Scanning and Hardening with Lynis

People without any pre-knowledge in Linux or for the absolute Linux beginner. This course is right for everyone wanting to start a job in enterprise Linux system administration. One of the most fundamental features of this course is the comprehensive information it provides.,Systems administrator or a network engineer interested in making your Linux environment more secure, then this course is for you.,Security consultants wanting to enhance their Linux security skills will also benefit from this course.,People who want to be proficient in Linux server security handling, and those who have Linux experience but would like to protect servers from vulnerabilities and attacks and stop them being compromised.