Linux Mastery With Practical Approach & Level Up Your Career




Linux Mastery With Practical Approach & Level Up Your Career

Introduction

Securing & Hardening a Linux System

  • Linux Physical Security

  • How to break root password

  • Securing the grub menu

  • Reset root password from rescue mode

  • BIOS Protection

  • General Security

  • Keep your system updated

  • Turn off IPv6

  • Disable USB Stick to detect

  • Restrict Users to Use Old Passwords

  • Check Password Expiration of a User

  • Password Expiration - Lab Session

  • Verify accounts for an empty password

  • Verify accounts with "Zero" UID

  • Review logs regularly

  • Keep /boot as read-only

Managing Server Firewalls

  • Firewall concepts

  • About nftables, features, and advantages of firewalld

  • Firewalld components, pre-defined zones

  • How packet flows through the firewall

  • Check firewalld services - Lab Session

  • Adding and Removing Services & Port from Firewall Server - Lab Session

  • Add Services Permanently in Firewalld - Lab Session

  • Add HTTP Service in firewalld - Lab Session

  • Port forwarding - Lab Session

  • Conceptual discussion about Masquerading, Packet Flow in Firewalld

  • Masquerading with Port Forwarding - Lab Session

  • About Rich Rules in Firewalld

  • Specifically allow a Server using Rich Rules - Lab Session

  • Allow Telnet Port, SSH with log-prefix using Rich Rule - Lab Session

  • Accept, Reject, Drop - Lab Session

Advanced Storage Features

  • About Stratis

  • Lab - Installing & Configuring Stratis

  • Lab - Managing Stratis File Systems

  • Lab - Persistently Mounting Stratis File Systems

  • Lab - Stratis filesystem snapshot

  • Guided Exercise - Create a thin-provisioned file system

  • Guided Exercise - Verify file system grows dynamically

  • Guided Exercise - Create & access data from Snapshot

  • VDO - Virtual Data Optimizer

  • Lab - Installation VDO

  • Lab - Create & format a VDO Volume

  • Lab - Testing Deduplication:

  • Recap - Lab

  • Lab - Extend & Remove VDO Volume

Linux Containers

  • Introducing Container Technology

  • Planning for containers

  • Lab - Configure a basic container

  • Lab - mapping container host ports to the container

  • Lab - stop, restart & remove container

Setting up an Apache Web Server

  • Introduction Apache Web Server

  • Basic Setup of Apache Web Server

  • Apache main configuration file - 1

  • Apache main configuration file - 2

  • Launching a simple web page

  • Order (Allow, Deny)

  • Indexes

  • Practice Lab Session on Indexes

  • .htaccess - Security Restrictions on directories

  • Practice Lab Session

  • Secure a Web Server

  • Encrypted Communication using SSL (443 port)

  • Practice Lab Session

Setup a DNS Server

  • Overview about DNS

  • Understanding root & top-level domains hierarchy

  • How DNS works?

  • Configure a DNS server - lab 1

  • Zone configuration - lab 2

  • Zone configuration - lab 3

  • Troubleshooting of DNS issues

  • DNS Server Interview Questions and Answers

Automating Linux Administrative tasks

  • About Ansible

  • Ansible Setup - Lab1

  • Ansible Setup - Lab2

  • Ansible Setup - Lab3

  • Ansible Setup - Lab4

  • Ansible Components

  • Control & Managed Node

  • Ansible Inventories

  • Customizing Ansible

  • AD HOC Commands

  • Ansible Modules

  • Lab - Idempotent behavior

  • Lab - Command & Shell Module

  • Lab - Configuration file directives

Managing SELinux Security

  • SELinux Security Concepts

  • SELinux Context

  • SELinux Modes

  • Lab on SELinux Modes

  • A practical approach to understand SELinux

  • Lab - Change context temporary

  • Lab - Change context permanently

  • Lab - SELinux inheritance and its pitfalls

  • SELinux Booleans

  • Lab - SELinux Booleans

  • Audit logs & Troubleshooting SELinux

  • Interview Questions and Answers SELinux

Samba Server

  • Overview of Samba Server

  • How Samba Works

  • Lab - Installation & Configuration of Samba Server

  • Lab - Configure a Private Samba Share

  • Lab - mount samba share on Linux Client

  • Lab - mount samba share on Windows Client

  • Lab - Configure a Public Samba Share

  • Lab - Drive mapping on windows client

  • Lab - Secure Samba share resources

  • Last Lecture

Use the in-demand Linux skills you learn in this course to boost your career with practical approach of learning (RHEL8)

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What you will learn
  • Securing & Hardening a Linux System
  • Managing Server Firewalls
  • Advanced Storage Features

Rating: 4.8

Level: Intermediate Level

Duration: 9.5 hours

Instructor: Shikhar Verma • 60k+ Students Worldwide


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