Linux System and Network Administration

Class Structure

Description

This is a foundation course on building and maintaining a server for Linux professionals and system administrators. The focus is on basic network configuration, networking services security, remote access configuration and administration of Linux server. The course covers system logging, inter-networking and services security, which are designed to help administrators ensure that their systems are secure. Students perform basic administrative tasks such as adding and managing users, creating and maintaining file systems, imposing a security policy, maintaining shell, installing and supporting network facilities such as NFS, DNS and DHCP. Instruction includes hands-on lab exercises.

By the end of this course, participants will be able to administer and manage networked services on Linux-based platforms in a business environment.

Learning OutcomesAt the conclusion of the course, you should be able to:

Master the Linux distributions/installation and package management

Describe how to configure and use Linux network capabilities

Explain Linux Network Security

Determine how to do data backup under Linux

Illustrate how to setup Web, NFS, SAMBA server service and print server

Create shell scripts and adapt them to manage servers

1. Introduction

VirtualBox and Debian/Ubuntu Installation

Basics of Docker and container management

Review class structure

Operating System Fundamentals: Linux, Mac, POSIX, RTOS

Homework: Operating Systems and POSIX

2. CLI Tools

Introduction to all commands

Piping, redirecting etc.

Modern approach to "manpages"

tldr

chatgpt

SSH and password-less login

System Monitoring: top, df

3. Package Management

Standard Packages

Custom Packages (apt install)

Dependency management

Introduction to Ansible, Puppet or Chef

4. Networking

TCP/IP

UDP

DHCP

DNS

Firewall

5. Networking Hands-on

nc (netcat) tool

Wireshark tool

Experiment with UDP communication

Experiment with TCP communication

Homework: HTTP client using TCP/IP

6. Midterm

Review Questions

Feedback

Exam

7. Shell Scripting

History of Shell Scripts

Shells: ohmyzsh

Modern approach to shell scripts

Python

Ruby/Perl

Sample scripts

8. User Management and Security

Sudo

Create users and privileges

File Systems (FAT/NFS etc.)

Setup disk quotas

9. Setup Services

Web Server

File Servers

FTP

Samba

Database Servers

MySQL, NoSQL

System Backups

Bootloaders

10. Final Examination

Review Questions

Collect Feedback

Exam