Course Overview

This Red Hat Enterprise Linux Systems Admin III course is designed to follow an identical set of topics as the Red Hat® RH254, RH255 RHCE exam prep courses with the added benefit of very comprehensive lab exercises and detailed lecture material.

The Red Hat Enterprise Linux (RHEL) system administration topics covered in this course along with the RHCSA Exam Prep course cover the certification objects of the Red Hat Certified Engineer (RHCE) exam.

CLASS INFORMATION
Price: 
$2,700
Duration: 
4 days
Version: 
C01
Certification: 
Red Hat Certified Engineer (RHCE)
Exam: 
EX300
  • This course builds upon a foundation of core Linux systems administration principles and skills. Students will advance their Linux systems administration knowledge. The course will focus on helping students optimize system administration skills using automation techniques and deploy commonly used network services. Once this course is completed students will know how to deploy critical network services in a secure fashion.

  • Module 1: LINUX KERNEL & DEVICES

    • Hardware Discovery Tools
    • Kernel Hardware Info – /sys/
    • /sys/ Structure
    • udev
    • Managing Linux Device Files
    • List Block Devices
    • SCSI Devices
    • USB Devices
    • USB Architecture
    • Kernel Modules
    • Configuring Kernel Components and Modules
    • Handling Module Dependencies
    • Configuring the Kernel via /proc/
    • Console
    • Virtual Terminals
    • Keyboard & locale configuration
    • Serial Ports
    • Random Numbers and /dev/random

    Module 2: CONTROL SERVICES AND DAEMONS

    • systemd System and Service Manager
    • systemd Targets
    • Using systemd
    • Legacy Support for SysV init

    Module 3: MANAGE IPV6 NETWORKING

    • IPv6

    Module 4: CONFIGURE LINK AGGREGATION AND BRIDGING

    • Interface Aggregation
    • Interface Bonding
    • Network Teaming
    • Interface Bridging

    Module 5: CONTROL NETWORK PORT SECURITY

    • SELinux Security Framework
    • SELinux Modes
    • SELinux Commands
    • Choosing an SELinux Policy
    • SELinux Booleans
    • Permissive Domains
    • SELinux Policy Tools
    • FirewallD

    Module 6: MANAGE DNS FOR SERVERS

    • Server Roles
    • Resolving Names
    • Resolving IP Addresses
    • Basic BIND Administration
    • Configuring the Resolver
    • Testing Resolution
    • BIND Configuration Files
    • named.conf Syntax
    • named.conf Options Block
    • Creating a Site-Wide Cache
    • rndc Key Configuration
    • Address Match Lists & ACLs
    • Restricting Queries

    Module 7: CONFIGURE EMAIL DELIVERY

    • SMTP
    • SMTP Terminology
    • SMTP Architecture
    • SMTP Commands
    • SMTP Extensions
    • SMTP Session
    • Postfix Features
    • Postfix Architecture
    • Postfix Components
    • Postfix Configuration
    • master.cf
    • main.cf
    • Configuration Commands

    Module 8: PROVIDE BLOCK-BASED STORAGE

    • Remote Storage Overview
    • Remote Block Device Protocols
    • iSCSI Architecture
    • Open-iSCSI Initiator Implementation
    • iSCSI Initiator Discovery
    • iSCSI Initiator Node Administration
    • Mounting iSCSI Targets at Boot
    • iSCSI Multipathing Considerations

    Module 9: PROVIDE FILE-BASED STORAGE

    • Remote Filesystem Protocols
    • File Sharing via NFS
    • NFSv4+
    • NFS Clients
    • NFS Server Configuration
    • Implementing NFSv4
    • Accessing Windows/Samba Shares from Linux

    Module 10: CONFIGURE MARIADB DATABASES

    • Popular SQL Databases
    • MariaDB
    • MariaDB Installation and Security
    • MariaDB User Account Management

    Module 11: PROVIDE APACHE HTTPD WEB SERVICES

    • HTTP Operation
    • Apache Architecture
    • Apache Configuration Files
    • httpd.conf – Server Settings
    • httpd.conf – Main Configuration
    • HTTP Virtual Servers
    • Virtual Hosting DNS Implications
    • httpd.conf – VirtualHost Configuration
    • Port and IP based Virtual Hosts
    • Name-based Virtual Host
    • TLS Using mod_ssl.so
    • Dynamic HTTP Content

    Module 12: WRITE BASH SCRIPTS

    • Shell Script Strengths and Weaknesses
    • Example Shell Script
    • Positional Parameters
    • Input & Output
    • Comparisons with test
    • Exit Status
    • Conditional Statements
    • Flow Control: case
    • The for Loop
    • The while and until Loops

    Module 13: CONFIGURE THE SHELL ENVIRONMENT

    • Shells
    • Identifying the Shell
    • Changing the Shell
    • Configuration Files
    • Script Execution
    • Shell Prompts
    • Bash: Bourne-Again Shell
    • Bash: Configuration Files
    • Bash: Command Line History
    • Bash: Command Editing
    • Bash: Command Completion
    • Bash: prompt

    Module 14: LINUX CONTAINERS PREVIEW

    • Application Management Landscape
    • Application Isolation
    • Container Resource Control & Security
    • Container Types
    • Container Ecosystem
    • Module 1 LAB TASKS
      • Adjusting Kernel Options
      • Introduction to Troubleshooting Labs
      • Troubleshooting Practice: Kernel Modules
    • Module 2 LAB TASKS
      • Managing Services With Systemd’s systemctl
      • Creating a systemd unit file
      • Troubleshooting Practice: Boot Process
    • Module 3 LAB TASKS
      • Configuring IPv6
    • Module 5 LAB TASKS
      • Firewall Configuration
      • FirewallD
    • Module 6 LAB TASKS
      • Configuring a Slave Name Server
      • Use rndc to Control named
    • Module 7 LAB TASKS
      • Configuring Postfix
      • Postfix Virtual Host Configuration
      • Postfix Network Configuration
    • Module 8 LAB TASKS
      • iSCSI Initiator Configuration
    • Module 9 LAB TASKS
      • NFS Server Configuration
    • Module 10 LAB TASKS
      • Installing and Securing MariaDB
    • Module 11 LAB TASKS
      • Apache Architecture
      • Apache Content
      • Configuring Virtual Hosts
      • Using TLS Certificates with Apache
      • CGI Scripts in Apache
    • Module 12 LAB TASKS
      • Writing a Shell Script
    • Module 13 LAB TASKS
      • Linux Shells
      • Bash History
      • Aliases
      • Bash Login Scripts
    • Module 14 LAB TASKS
      • Container Concepts LXC
      • Container Concepts Systemd
  • Students should have skill equal to those taught in the Red Hat Enterprise Linux Systems Admin I and Red Hat Enterprise Linux Systems Admin II courses. Also these prerequisite skills are taught in the Linux Fundamentals and Enterprise Linux Systems Administration courses.