Linux Fundamentals Training in Dublin, Ireland

This course is designed to provide a solid foundation in Linux for beginners, IT professionals, and system users. It covers essential concepts such as Linux architecture, command-line usage, file systems, process management, user administration, networking basics, and shell scripting. The course includes hands-on labs and exercises to ensure participants gain practical experience in navigating and using Linux systems.

Introduction to Linux

• What is Linux? History and distributions

• Linux vs. other operating systems

• Linux system architecture and kernel overview

• Linux desktop vs. server environments

Command Line Basics

• Shell and terminal usage

• Basic commands: ls, pwd, cd, man, echo

• File operations: cp, mv, rm, touch

• Understanding absolute vs relative paths

File System and Permissions

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

• File types and inode concept

• Permissions and ownership: chmod, chown, umask

• Hard vs symbolic links

User and Group Management

• Creating, deleting, and modifying users and groups

• Understanding /etc/passwd, /etc/shadow, and /etc/group

• File permissions in multi-user environments

• Sudo and privilege delegation

Process and Package Management

• Viewing processes: ps, top, htop

• Managing processes: kill, nice, renice, jobs

• Installing and removing software with apt, yum, dnf

• Understanding services and daemons

Networking and Shell Scripting

• Basic networking tools: ip, ifconfig, ping, netstat, ss

• Hostname, DNS, and /etc/hosts

• Introduction to Bash scripting: variables, loops, conditions

• Writing and executing basic shell scripts

Practice and Final Assessment

• Real-world scenarios and troubleshooting

• Hands-on lab

• Final assessment

• Review and wrap-up