Linux System Administration – 3 Month Practical Training Program

Month 1: Linux Fundamentals & System Administration

Module 1: Linux Fundamentals

• Introduction to Linux and its distributions

• Ubuntu and RHEL-based systems

• Linux architecture and filesystem hierarchy

• Essential Linux commands

• File and directory management

• Text processing and command-line utilities

• SSH and remote server access

Practical: Install Linux, configure a server, connect through SSH, and perform everyday command-line operations.

Module 2: Users, Permissions & System Management

• User and group management

• File permissions and ownership

• chmod, chown, chgrp, sudo

• Processes and jobs

• System monitoring using top, htop, ps, free, df

• Services and systemd

• Logs and journalctl

Practical: Create users, configure permissions, manage services, monitor resources, and troubleshoot common system issues.

Module 3: Package Management & Bash Scripting

• APT and DNF package management

• Installing, updating and removing software

• Repositories and dependencies

• Bash variables and command-line arguments

• Conditions and loops

• Functions and basic error handling

• Writing administrative scripts

Practical: Create scripts for user management, backups, log analysis and server health checks.

Month 2: Networking, Security & Storage

Module 4: Linux Networking

• TCP/IP fundamentals

• IPv4, IPv6 and subnetting basics

• IP addressing and routing

• DNS and DHCP

• ip, ss, ping, traceroute, dig, curl

• Network troubleshooting

• Basic NetworkManager configuration

Practical: Configure networking, troubleshoot connectivity and DNS issues, and analyze network connections.

Module 5: Linux Security

• Linux security fundamentals

• SSH key-based authentication

• SSH hardening

• sudo and least-privilege access

• Firewall fundamentals

• UFW / firewalld / nftables basics

• SELinux and AppArmor fundamentals

• Security updates and log analysis

Practical: Harden a Linux server, configure SSH and firewall rules, and troubleshoot security-related issues.

Module 6: Storage, Filesystems & Backup

• Disk and partition management

• ext4 and XFS

• Mounting and /etc/fstab

• LVM fundamentals

• lsblk, fdisk, parted, df, du

• Backup and recovery

• tar and rsync

• Cron and systemd timers

Practical: Create partitions and LVM volumes, configure persistent mounts, and automate backups.

Month 3: Containers, Automation & Monitoring

Module 7: Docker & Ansible

• Virtualization and container concepts

• Docker images and containers

• Docker networking and volumes

• Docker Compose

• Introduction to Ansible

• Inventory and SSH-based management

• Ansible playbooks

• Variables, templates and handlers

• Automating Linux administration

Practical: Deploy a multi-container application and automate Linux server configuration using Ansible.

Module 8: Monitoring, Troubleshooting & Capstone Project

• Linux troubleshooting methodology

• Boot and service troubleshooting

• journalctl, dmesg, lsof, strace, tcpdump

• Server performance troubleshooting

• Centralized logging concepts

• Prometheus and Grafana fundamentals

• Alerts and monitoring

• Real-world troubleshooting scenarios

Capstone Project:

• Build a small Linux server environment

• Configure users, SSH and firewall

• Configure storage and backups

• Deploy an application using Docker

• Automate configuration using Ansible

• Monitor servers using Prometheus/Grafana

• Troubleshoot intentionally introduced problems

Training Highlights

• 100% Practical & Hands-on Training

• Live Projects & Real-World Labs

• Daily Assignments and Notes

• Linux Server Administration Practice

• Docker & Ansible Automation

• Networking & Security Labs

• Monitoring & Troubleshooting

• Capstone Project

• Experienced Industry Mentors

• Interview & Practical Scenario Preparation

• Exposure to Modern Linux, Cloud & DevOps Practices

About ToXSL

• Tremendous Growth Opportunity

• Work with modern and cutting-edge technologies

• High-visibility and challenging projects

• Collaborative and professional environment

• Continuous learning and technical growth

• Experienced mentors and developers

• Competitive compensation, benefits and other perks