Advanced Linux System Administration

Programma

1. CENTOS 7 OVERVIEW AND INSTALLATIONS

The Course Overview

Introduction to CentOS 7

Installing Oracle VirtualBox

Installing CentOS 7

Updating with YUM and RPM

Exploring CentOS 7 Desktop

2. NAVIGATE AND MANIPULATE FILES WITH THE COMMAND-LINE

Exploring Linux Command-Line

Navigating the Filesystem Using ls, cd, pwd, top and ps Commands

Using the Copy, Move, and Remove Commands

Using Files with cat, tail, touch, less, head, and Extracting Infos from Text Files

Editing text in VIM

Disk and System Information

Working with Redirections, Find, and Getting Help

3. OPERATING CENTOS 7 FILE SYSTEM

Exploring Hard Links

Working with Symbolic Links

Using Stickybits, SUIDbits (Set UserID), and SGIDbits (Set GroupID)

Understanding Stat, Last Access Time, Last Modified Time, and Last Time Changed

4. USERS AND GROUPS MANAGEMENT IN CENTOS 7

Creating User and Groups

User Authentication in CentOS 7

Managing User Passwords and Group Passwords

5. NETWORK CONFIGURATION

Networking in CentOS 7

Setting Up SSH and DHCP

Using Netcat and Ping

Setting Up a Web Server

Systemctl to Manage Systemd Service

Enable and Disable System Services

System State Overview with Systemctl