COURSE DESCRIPTION

Linux System Administration – Full Course Outline

🐧 Course Overview

The Linux System Administration course is designed to provide IT professionals with the knowledge and hands-on skills required to install, configure, manage, and troubleshoot Linux servers in enterprise environments.

This course covers essential administrative tasks including user management, networking, package management, security hardening, process control, storage management, and automation, preparing learners to manage real-world Linux infrastructure.

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🎯 Learning Objectives

By the end of this course, participants will be able to:

• Install and configure Linux operating systems (Ubuntu / CentOS / Rocky / RHEL)

• Navigate and manage the Linux command-line environment

• Administer users, groups, and permissions

• Configure networking and services

• Manage processes, logs, and system performance

• Implement storage solutions (LVM, partitions, file systems)

• Secure Linux systems using best practices

• Automate tasks using shell scripting

• Monitor and troubleshoot Linux servers

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👥 Target Audience

• System Administrators

• Network Engineers

• IT Support Engineers

• DevOps Engineers (Beginner Level)

• Cloud Engineers

• Anyone managing Linux-based infrastructure

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🧠 Prerequisites

• Basic computer and networking knowledge

• No prior Linux experience required (helpful but not mandatory)

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🗓️ Course Duration

5 Days (Instructor-Led Training)
Available in Online Live or Offline Classroom mode.

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🗂️ Detailed Course Outline

Module 1 – Introduction to Linux

• History and distributions (Ubuntu, RHEL, CentOS, Rocky)

• Linux architecture and kernel basics

• Logging into local and remote systems (SSH)

• Understanding open-source ecosystem

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Module 2 – Command Line Fundamentals

• Navigating the Linux filesystem

• Basic commands: ls, cp, mv, rm, cat, grep

• File viewing and editing (vi / nano)

• Command history and shortcuts

• Help tools (man, info, --help)

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Module 3 – File System Management

• Linux directory structure (/etc, /var, /home, /usr)

• File permissions and ownership

• Hard links vs symbolic links

• Access Control Lists (ACLs)

• Disk usage analysis

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Module 4 – User and Group Administration

• Creating, modifying, and deleting users

• Managing passwords and aging policies

• Group management

• Sudo configuration and privilege delegation

• Authentication basics (PAM)

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Module 5 – Package Management

• Managing software with:

  • apt (Debian/Ubuntu)

  • yum / dnf (RHEL-based)

• Installing, updating, and removing packages

• Managing repositories

• Verifying and troubleshooting packages

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Module 6 – Process and Service Management

• Understanding system processes

• Monitoring with top, htop, ps

• Managing services using systemctl

• Boot targets and runlevels

• Scheduling tasks with cron and at

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Module 7 – Disk and Storage Administration

• Partitioning disks using fdisk / parted

• File system creation (ext4, xfs)

• Mounting and unmounting file systems

• Logical Volume Manager (LVM)

• Swap management

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Module 8 – Networking Configuration

• IP configuration and hostname setup

• Network troubleshooting tools (ping, netstat, ss, tcpdump)

• Configuring DNS and gateways

• Managing firewall (firewalld / iptables)

• SSH server configuration

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Module 9 – System Monitoring and Logs

• Understanding system logs (/var/log)

• Using journalctl

• Monitoring performance and memory usage

• Diagnosing system issues

• Resource management

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Module 10 – Linux Security Administration

• File and service security

• Firewall configuration

• Secure SSH configuration

• SELinux / AppArmor basics

• System hardening best practices

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Module 11 – Backup and Recovery

• Backup strategies and tools (rsync, tar)

• Automating backups

• Disaster recovery basics

• Restoring data

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Module 12 – Shell Scripting & Automation

• Bash scripting fundamentals

• Variables, loops, and conditions

• Automating administrative tasks

• Writing maintenance scripts

• Scheduling automation jobs

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🧪 Hands-On Labs & Practical Exercises

• Installing a Linux server from scratch

• Configuring users, permissions, and services

• Building LVM storage environments

• Securing and monitoring a live system

• Writing automation scripts for real admin tasks

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🏆 Skills Gained After Completion

Participants will be able to confidently:

• Administer enterprise Linux servers

• Troubleshoot real-world system issues

• Implement secure configurations

• Automate routine administration

• Support DevOps and cloud environments

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📌 Course Summary