Enrollment OpenLevel: Beginner

4.9 / 5.0 (245 alumni)

Linux System Administration Fundamentals

Develop foundational skills to install, configure, maintain, secure, and troubleshoot production Linux systems and servers. Covers Ubuntu installation, file hierarchies, APT packaging, SSH remote access, UFW firewalls, Bash scripting, systemctl, and capstone server deployments.

Duration

6 Weeks (Topic-wise Hands-on)

Delivery Mode

Live Interactive

Certification

Verified Badge & Cert

Upcoming Cohort Tuition:

₹3,499

₹7,999

Save ₹4,500 (Early Bird Discount)

Hands-on Lab & Terminal Sandboxes

Weekly 1-on-1 Code & Lab Reviews

Interactive Knowledge Quizzes & Answers

Lifetime Access to Class Materials

Apply / Enroll for Cohort

Limited cohort size (25 students max per batch)

Full Curriculum & Week-by-Week Breakdown

Each module includes live theoretical deconstruction, hands-on terminal labs, and practical implementation drills.

Week 1

Linux Fundamentals & Ubuntu Server Installation

Introduction to Linux: History, distributions (Ubuntu, Debian, RHEL) and kernel architecture

Kernel, shell, terminal and command-line interface (CLI) concepts

Linux installation walkthrough using VirtualBox / VMware hypervisor

Directory structure: /root, /home, /etc, /var, /bin, /usr, /dev

Essential commands: ls, cd, pwd, mkdir, rm, cp, mv, cat, nano, grep

Practical: Install Ubuntu Server and navigate the directory tree

Week 2

User Management, File Permissions & Access Control

User accounts, groups and sudo privileges (/etc/passwd, /etc/shadow, /etc/sudoers)

Permission models: Read (4), Write (2), Execute (1) across User, Group, Others

Modifying permissions with chmod, changing ownership with chown & chgrp

File compression and archiving with tar, gzip, zip

Practical: Create administrative user accounts, enforce privilege separation, and secure file permissions

Week 3

Process & Package Management (APT & Systemctl)

Process monitoring: ps, top, htop, and kill signals (SIGTERM, SIGKILL)

CPU, memory and disk utilization analysis (df -h, du -sh, free -m)

Software installation, repository mirrors, and system updates

APT package management: apt update, apt upgrade, apt install, apt purge

Managing system services with systemctl: start, stop, restart, enable, status

Practical: Install software packages, identify resource-intensive processes, and automate system updates

Week 4

Linux Networking & Secure Remote Access (SSH)

IP addressing, DNS configuration, default gateways and listening ports (ip a, netstat, ss)

Network troubleshooting: ping, traceroute, curl, dig, nslookup

SSH architecture and remote server access (ssh user@host)

SSH key generation (ssh-keygen), public key deployment, and disabling password authentication

Firewall fundamentals and traffic filtering concepts

Practical: Connect to a Linux server remotely via SSH keys and troubleshoot network connectivity

Week 5

Security Hardening, Firewalls & Intro to Bash Scripting

SSH security: Changing default port 22, root login restriction (sshd_config)

UFW (Uncomplicated Firewall) configuration: allow, deny, default rules, port filtering

Log analysis and basic incident troubleshooting using journalctl and /var/log/syslog

Introduction to Bash scripting: variables, arguments, conditions (if/else), and loops

Practical: Apply a comprehensive security hardening checklist and write an automated disk-usage alert script

Week 6

Automation (Cron) & Final Server Administration Capstone

Task scheduling with Cron daemon: crontab syntax, automated maintenance scripts

System backups using rsync and tar

Final Capstone Project: Set up an Ubuntu server from scratch, create user accounts with strict permissions, configure SSH key access, deploy an Nginx web service, enable UFW firewall rules, schedule an automated daily backup, and produce troubleshooting runbooks

Assessment breakdown: 20% Quizzes, 40% Practicals, 15% Troubleshooting, 25% Final Project

Interactive Knowledge Assessment

Module Readiness Quiz: Linux System Administration Fundamentals

Test your knowledge of the core concepts. Submit to see your score, wrong/right answer breakdowns, and detailed explanations.

Which Linux command displays live, real-time CPU, memory, and running process utilization?

Which command updates the local package index list from configured repositories on Ubuntu/Debian?

What does the permission numerical value '755' correspond to for User, Group, and Others?

Which command is used to restart a background service managed by systemd, such as an Nginx web server?

Where is the main SSH server configuration file located on an Ubuntu server?

Which command enables the UFW (Uncomplicated Firewall) on Ubuntu systems?

What tool allows querying the systemd journal logs to inspect service errors and boot logs?

Which Linux utility is used to schedule periodic tasks, like nightly backup scripts?

Which directory contains global system configuration files in Linux?

Q10

How do you check available disk space on all mounted file systems in human-readable format?

0 of 10 questions answered

Prerequisites & Requirements

Basic computer familiarity. No prior Linux experience required.

Target Career Roles

Junior Linux System AdministratorDevOps TraineeCloud Operations SpecialistSite Reliability Associate