Linux Fundamentals and its Applications

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Learn Linux Admiration and supercharge your career in all its fundamentals. A system administrator, or sysadmin, is a person who is responsible for the upkeep, configuration, and reliable operation of computer systems; especially multi-user computers, such as servers.

About the Course

A self-paced course designed to learn to administer applications, configuration, network, DNS, security etc on a Linux Machine. Ogma TechLab Linux Fundamentals course covers all the necessary concepts required for Linux Administration. Starting from Linux installation to security administration, user-account management, networking concept, file system management, system services, kernel services and virtualization.

Course Objectives

After the completion of the ‘Linux Fundamentals’ Course at Ogma TechLab, you should be able to:
  • 1. Install Linux
  • 2. Set kernel parameters
  • 3. Install and remove software
  • 4. Manage system services
  • 5. Add a new user account
  • 6. Modify and delete user accounts
  • 7. File system management and security management
  • 8. Understand Linux Networking
  • 9. Create network setup and configuration
  • 10. Configure BIND to function as a caching-only DNS server
  • 11. Format, and reload the DNS by using kill or ndc
  • 12. Configure Apache server
  • 13. Install and configure anti viruses (clamAV and LMD)
  • 14. Configure virtual machines.

Why Learn Linux Fundamentals

Linux is a free operating system, which comes under the GNU GPL lisence. It can be freely used on all products or applications which you are develop at a free of cost. Linux spread almost all over the world. In your daily life, you are communicating with Linux servers, because all major internet sites such as Facebook and Google are using Linux servers. In addition, Android runs on Linux. At the root of it, Linux is free software used to control desktop, laptop, supercomputers, mobile devices, networking equipment, airplanes and automobiles and so on. More significantly, viruses are less of a threat on Linux. With a slight Linux knowledge and an inexpensive computer you can create tiny gadgets at home.

Prerequisites

The only per-requisite for this course is the basic System Knowledge which would be helpful while learning Linux Fundamentals.

Curriculum

Section 1 Installation and Initialization

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    Installation

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    Package Selection

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    First Boot: Post-Install Configuration

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    Anatomy of a Kickstart File

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    Command line

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    Introduction to Bash Shell

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    Stream text editor (grep, sed and awk)

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    System Initialization

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    Starting the Boot Process: GRUB, Run Levels

Section 2 User Administration

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    Adding a New User Account

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    User Private Groups

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    Modifying / Deleting User Accounts

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    Group Administration

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    Password Aging Policies

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    Switching Accounts

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    sudo

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    Network Users

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    Authentication Configuration

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    SUID and SGID Executable

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    SGID Directories

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    The Sticky Bit

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    Default File Permissions

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    Access Control Lists (ACLs)

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    Annie’s Quizzes

Section 3 Boot and Package Management

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    Setting kernel parameters

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    Configuring services to run at boot

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    Securing single-user mode (su login)

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    Shutting down and rebooting the system

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    RPM Package Manager

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    Installing and Removing Software

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    Updating a Kernel RPM

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    rpm Queries

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    rpm Verification

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    About yum & Using yum

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    Searching packages/files

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    Configuring Additional Repositories

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    Apt-get command set

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    Apt-cache package management

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    Dpkg command set

Section 4 Security Administration, Shell Script and Virtualization

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    SELinux Overview

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    SELinux Tools

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    SELinux Contexts

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    SELinux Booleans

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    Boot level security (GRUB)

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    Security need for TCP wrappers

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    Swapping Pins

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    Xinetd

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    Securing shell (change, default port, prevent root access)

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    Securing Shell (Public/ Private)

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    Securing Shell (managing IP allow and deny)

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    Install and configuring antiviruses (clamAV and LMD)

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    Different type of shell

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    Shell script basics

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    comments on script

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    Redirection, Environment Variables, Conditions and Loops

Section 8 Project

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