Certificate Authentication

Introduction

• Linux system architecture
• Distributions
• Executing commands from the command line

Connecting to a Network

• Making remote connections using 'ssh'
• Downloading files
• Transferring files using 'scp'

Working with Files and Directories

• The structure of the file system
• Creating and deleting files and directories
• Copying, moving and renaming files and directories
• Viewing file content
• Searching for files
• Packing and unpacking files

Editing files

• 'nano' editor
• vim editor
• Editing from the command line with the 'sed' editor

Setting Permissions

• The concept of rights and ownership
• Viewing and verifying permissions
• Absolute and symbolic notation
• Changing permissions with 'chmod'
• Changing ownership with 'chown'
• Default values ​​of 'umask'

Managing Users

• Creating, changing and deleting user accounts
• Security and password policy
• Groups
• User privileges

Managing Processes

• Searching for processes
• Process states

Managing Software

• Default and custom repositories
• Package management ('apt', 'yum', etc.)

Deploying a Server

• Web server
• FTP server
• VNC server
• SSH authentication

Setting up a Desktop Environment

• Gnome and KDE
• Lightweight desktops

Advanced Command Line

• 'bash' shell
• Shell expansion
• Variables
• Stream redirection
• Initialization files

Restarting the System

• Controlling the startup process
• The GRUB boot loader
• System kernel
• Runlevels
• Service configuration files
• Stopping and restarting services

System Maintenance

• Resource monitoring (CPU, memory, disk, etc.)
• Task management
• System logs
• Tuning and maintaining the Kernel
• Managing kernel modules

Shell Scripting

• Basics of programming in the 'bash' shell
• Variables
• Tests
• Functions
• The exit status of the script

Troubleshooting

• Applying a systematic approach to diagnosing and correcting system failures
• Networking tools
• System