Oreilly – Linux Security – Basics and Beyond 2024-4

Linux Security – Basics and Beyond course. This comprehensive training course introduces you to the basics of Linux security and then moves on to more advanced topics. In this course, you will learn the skills necessary to secure the Linux operating system.

What you will learn

• Linux User Security: You will learn the basics of user security, password management, authentication, and user permissions.
• Linux OS Security: You’ll learn how to keep your Linux OS up-to-date, disable unnecessary services, and configure firewalls to protect against attacks.
• Network Security: You will work with firewalls, SSH, and security tools such as Nmap and Wireshark.
• Linux File Security: You’ll learn how to manage file permissions, encrypt data, and work with encryption tools.
• Troubleshooting tools and techniques: You will learn how to use logging and monitoring tools to identify and fix security problems.

This course is suitable for people who:

• System and network administrators
• Cyber ​​security enthusiasts
• Linux users who want to increase the security of their system.

Course details

• Publisher: Oreilly
• Instructor: Dave Prowse
• Training level: beginner to advanced
• Training duration: 11 hours 30 minutes

Course headings

• Introduction
  1. Linux Security – Basics and Beyond: Introduction
• Module 1: Linux User Security
  1. Module Introduction
• Lesson 1: User Security Basics
  1. Learning objectives
  2. 1.1 Introduction to Linux Users
  3. 1.2 Principle of Least Privilege
  4. 1.3 Accessing the Repository and Network Map
  5. 1.4 The id Command
• Lesson 2: Working with Passwords
  1. Learning objectives
  2. 2.1 Secure Passwords
  3. 2.2 Setting the Password
  4. 2.3 Generating Passwords with openssl and KeePass
  5. 2.4 The passwd and shadow Files
  6. 2.5 Password Settings
  7. 2.6 Password Policy Configuration
• Lesson 3: Linux Authentication
  1. Learning objectives
  2. 3.1 Logging in as a Typical User by Password
  3. 3.2 Logging in as an Enterprise User
  4. 3.3 Locking the System
  5. 3.4 SSH Basics
  6. 3.5 SSH and Linux in the Cloud
• Lesson 4: su, sudo, and sudoers
  1. Learning objectives
  2. 4.1 The su command
  3. 4.2 Using the sudo command
  4. 4.3 sudoers
  5. 4.4 Assigning a Regular User sudo Permissions
• Module 2: Securing Linux Operating Systems
  1. Module Introduction
• Lesson 5: Linux Operating System Security Basics
  1. Learning objectives
  2. 5.1 Introduction to Linux OS Security
  3. 5.2 Defense in Depth
  4. 5.3 The CIA Triad
• Lesson 6: Updating Linux
  1. Learning objectives
  2. 6.1 Updating Debian and Ubuntu
  3. 6.2 More apt and Repositories
  4. 6.3 Updating Fedora, Red Hat, and CentOS
  5. 6.4 Installing Security Updates Only
  6. 6.5 Updating SUSE
  7. 6.6 Updating Arch
• Lesson 7: Working with Services and System Health
  1. Learning objectives
  2. 7.1 systemctl Basics
  3. 7.2 Reducing the Attack Surface
  4. 7.3 Creating a Degraded System
  5. 7.4 Repairing a Degraded System
  6. 7.5 systemd states
• Lesson 8: Securing Linux Distros
  1. Learning objectives
  2. 8.1 10 Steps to a Secure Linux Server (Part I)
  3. 8.2 10 Steps to a Secure Linux Server Server (Part II)
  4. 8.3 Wired Wireless Security in Linux
  5. 8.4 Securing GRUB
• Lesson 9: Application Security
  1. Learning objectives
  2. 9.1 AppArmor Basics
  3. 9.2 AppArmor Profiles
  4. 9.3 AppArmor and Apache Example
  5. 9.4 SELinux Basics
• Module 3: Firewalls and SSH Security
  1. Module Introduction
• Lesson 10: Introduction to Firewall Security
  1. Learning objectives
  2. 10.1 What is a Firewall?
  3. 10.2 Types of Linux-based Firewalls
  4. 10.3 Zero-Trust Environment Mindset
• Lesson 11: UFW
  1. Learning objectives
  2. 11.1 UFW Introduction
  3. 11.2 Setting up UFW
  4. 11.3 Configuring UFW
• Lesson 12: firewalld
  1. Learning objectives
  2. 12.1 firewalld Introduction
  3. 12.2 Installing and enabling firewalld
  4. 12.3 Configuring and Testing firewalld
  5. 12.4 Lock it Down!
  6. 12.5 Returning the System to its Original State
• Lesson 13: nftables
  1. Learning objectives
  2. 13.1 Introduction to nftables and the nft command
  3. 13.2 nftables Setup
  4. 13.3 Tables > Chains > Rules
  5. 13.4 Building the nftables Configuration (Part I)
  6. 13.5 Building the nftables Configuration (Part II)
  7. 13.6 Saving and Restoring the nftables Configurations
  8. 13.7 Translating iptables to nftables
• Lesson 14: Securing SSH
  1. Learning objectives
  2. 14.1 Review of SSH
  3. 14.2 Using Keys to connect via SSH
  4. 14.3 The sshd_config file
  5. 14.4 Modifying the default SSH port
  6. 14.5 Disabling Password-based SSH
  7. 14.6 Disabling root login via SSH
  8. 14.7 Exclusive SSH Groups
  9. 14.8 Authentication Settings
  10. 14.9 Terminating SSH Connections (Part I)
  11. 14.10 Terminating SSH Connections (Part II)
• Module 4: Linux File Security and Security Tools
  1. Module Introduction
• Lesson 15: Storage Drive Fault Tolerance and Backup
  1. Learning objectives
  2. 15.1 RAID 1
  3. 15.2 RAID 5
  4. 15.3 RAID 10 and ZFS
  5. 15.4 Backup!
• Lesson 16: Working with Files in Linux
  1. Learning objectives
  2. 16.1 chmod
  3. 16.2 chown and chgrp
  4. 16.3 Encryption in Linux
  5. 16.4 Linux Encoding and Hashing
• Lesson 17: Working with Processes
  1. Learning objectives
  2. 17.1 Viewing Processes
  3. 17.2 Ending Processes with Commands
  4. 17.3 Ending Processes with top
• Lesson 18: Vigilant Logging and Tooling
  1. Learning objectives
  2. 18.1 Logging in Linux – The Journal
  3. 18.2 Logging in Linux – rsyslog Part I
  4. 18.3 Logging in Linux – rsyslog Part II
  5. 18.4 Auditing in Linux
  6. 18.5 Nmap
  7. 18.6 Wireshark
  8. 18.7 Additional Tools
• Summary
  1. Linux Security – Basics and Beyond: Summary

Course images

Sample video of the course

download link

Download part 1 – 1 GB

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Download part 4 – 363 MB

File(s) password: www.downloadly.ir

Size

3.3 GB