Linux Administration

Linux Administration is the fundamental skill set required for almost every high-level role in modern technology, from DevOps and Cloud Engineering to Cybersecurity. As the operating system that powers over 90% of the world’s top one million servers and the entire public cloud, Linux mastery is no longer optional—it is essential. Our program is designed to take you from a command-line beginner to a professional System Administrator capable of managing enterprise-grade distributions like Red Hat Enterprise Linux (RHEL), Ubuntu, and CentOS.

At Network Trainer, we believe Linux is learned at the terminal, not in a textbook. Our course is built around an intensive, lab-driven curriculum where you will build, configure, and secure your own server environments from scratch. You will learn the intricacies of the Linux kernel, file system hierarchy, and network services that form the foundation of the global internet. Whether you are aiming for Red Hat (RHCSA) standards or looking to manage high-scale web clusters, our hands-on training ensures you have the technical “muscle memory” to handle any Linux environment.

What You Will Learn

Command Line Mastery: Navigate the Linux shell (Bash) with expert precision, utilizing powerful tools for file manipulation and text processing.
User & Security Management: Implement advanced permission structures, sudoer policies, and identity management to secure multi-user environments.
Storage & File Systems: Master Logical Volume Management (LVM), disk partitioning, and the implementation of robust network file systems (NFS/SAMBA).
Automated Deployment: Learn to automate repetitive tasks through advanced Shell Scripting and introduction to configuration management tools.
Network Service Configuration: Deploy and manage mission-critical services including Apache/Nginx web servers, DNS (Bind), and DHCP.
System Hardening & Monitoring: Secure your servers using SELinux and Firewalld, while implementing performance monitoring and log analysis tools.

Module 1: Essential System Tools & Command Line

Using the Shell: Bash environment and basic commands
File System Hierarchy and Navigation
Redirection, Pipes, and Text Processing (Grep, Sed, Awk)
Managing Local Users, Groups, and Passwords
Introduction to VI/VIM and Nano editors

Module 2: Operation of Running Systems

The Boot Process: GRUB2 and systemd targets
Identifying and managing CPU and Memory-intensive processes
Scheduling tasks using Cron and At
Locating and interpreting system log files and journals
Software management using YUM, DNF, and RPM

Module 3: Storage, File Systems & LVM

MBR vs. GPT Partitioning and Swap space management
Logical Volume Management (LVM): Physical Volumes, Volume Groups, and Extents
Formatting and mounting XFS and EXT4 file systems
Configuring NFS and SMB for network storage access
Managing File Permissions (UGO) and Access Control Lists (ACLs)

Module 4: Network Configuration & Security

IPv4/IPv6 Networking: Configuring static and dynamic addressing
Hostname resolution and Network Manager (nmcli/nmtui)
Securing the system with Firewalld and IPTables
Introduction to SELinux: Enforcing, Permissive, and Contexts
Remote administration via SSH and SSH-Key based authentication

Module 5: Deploying & Managing Network Services

Configuring an Apache (HTTPD) or Nginx Web Server
Implementing DNS (Bind) for local name resolution
Setting up DHCP and FTP services
Database basics: Installing and securing MariaDB/MySQL
Time Synchronization with NTP/Chrony

Module 6: Shell Scripting & Automation

Writing and executing basic Bash scripts
Using Variables, Loops (For/While), and Conditional (If/Then) logic
Introduction to Ansible for basic automation tasks
Automated OS installation using Kickstart

Course Features

90+ Hours of Content
High Quality Videos
Career Guidence Session
100% Job Assistant
24/7 Lab Access
interview Prepration
Exam Prepration Materials

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