Red Hat™ Enterprise Linux Systems Admin III

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Course Description

This Red Hat Enterprise Linux Systems Admin III training 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 "Red Hat Certified Systems Administrator Exam Prep" course cover the certification objects of the Red Hat Certified Engineer (RHCE) exam.

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.

 

Red Hat® is a registered trademark of Red Hat, Inc. and its use by Guru Labs, L.C. does not imply association or sponsorship by Red Hat, Inc.

 
Supported Distributions:

•     Red Hat Enterprise Linux 7

Course Outline

    1. Linux Kernel & Devices

1.         Hardware Discovery Tools
2.         Kernel Hardware Info – /sys/
3.         /sys/ Structure
4.         udev
5.         Managing Linux Device Files
6.         List Block Devices
7.         SCSI Devices
8.         USB Devices
9.         USB Architecture
10.         Kernel Modules
11.         Configuring Kernel Components and Modules
12.         Handling Module Dependencies
13.         Configuring the Kernel via /proc/
14.         Console
15.         Virtual Terminals
16.         Keyboard & locale configuration
17.         Serial Ports
18.         Random Numbers and /dev/random

    Lab Tasks

1.         Adjusting Kernel Options
2.         Introduction to Troubleshooting Labs
3.         Troubleshooting Practice: Kernel Modules

    2. Control Services and Daemons

1.         systemd System and Service Manager
2.         Modifying systemd services
3.         Systemd Service Sandboxing Features
4.         systemd Targets
5.         Using systemd
6.         Legacy Support for SysV init

    Lab Tasks

1.         Managing Services With Systemd's systemctl
2.         Creating a systemd unit file
3.         Troubleshooting Practice: Boot Process

    3. Manage IPv6 Networking

1.         IPv6

    Lab Tasks

1.         Configuring IPv6

    4. Configure Link Aggregation and Bridging

1.         Interface Aggregation
2.         Interface Bonding
3.         Network Teaming
4.         Interface Bridging

    5. Control Network Port Security

1.         SELinux Security Framework
2.         SELinux Modes
3.         SELinux Commands
4.         Choosing an SELinux Policy
5.         SELinux Booleans
6.         Permissive Domains
7.         SELinux Policy Tools
8.         FirewallD

    Lab Tasks

1.         Firewall Configuration
2.         FirewallD

    6. Manage DNS for Servers

1.         Server Roles
2.         Resolving Names
3.         Resolving IP Addresses
4.         Basic BIND Administration
5.         Configuring the Resolver
6.         Testing Resolution
7.         BIND Configuration Files
8.         named.conf Syntax
9.         named.conf Options Block
10.         Creating a Site-Wide Cache
11.         rndc Key Configuration
12.         Address Match Lists & ACLs
13.         Restricting Queries

    Lab Tasks

1.         Configuring a Slave Name Server
2.         Use rndc to Control named

    7. Configure Email Delivery

1.         SMTP
2.         SMTP Terminology
3.         SMTP Architecture
4.         SMTP Commands
5.         SMTP Extensions
6.         SMTP Session
7.         Postfix Features
8.         Postfix Architecture
9.         Postfix Components
10.         Postfix Configuration
11.         master.cf
12.         main.cf
13.         Configuration Commands

    Lab Tasks

1.         Configuring Postfix
2.         Postfix Virtual Host Configuration
3.         Postfix Network Configuration

    8. Provide Block-based Storage

1.         Remote Storage Overview
2.         Remote Block Device Protocols
3.         iSCSI Architecture
4.         Open-iSCSI Initiator Implementation
5.         iSCSI Initiator Discovery
6.         iSCSI Initiator Node Administration
7.         Mounting iSCSI Targets at Boot
8.         iSCSI Multipathing Considerations

    Lab Tasks

1.         iSCSI Initiator Configuration

    9. Provide File-based Storage

1.         Remote Filesystem Protocols
2.         File Sharing via NFS
3.         NFSv4+
4.         NFS Clients
5.         NFS Server Configuration
6.         Implementing NFSv4
7.         Accessing Windows/Samba Shares from Linux

    Lab Tasks

1.         NFS Server Configuration

    10. Configure MariaDB Databases

1.         Popular SQL Databases
2.         MariaDB
3.         MariaDB Installation and Security
4.         MariaDB User Account Management

    Lab Tasks

1.         Installing and Securing MariaDB

    11. Provide Apache HTTPD Web Services

1.         HTTP Operation
2.         Apache Architecture
3.         Apache Configuration Files
4.         httpd.conf – Server Settings
5.         httpd.conf – Main Configuration
6.         HTTP Virtual Servers
7.         Virtual Hosting DNS Implications
8.         httpd.conf – VirtualHost Configuration
9.         Port and IP based Virtual Hosts
10.         Name-based Virtual Host
11.         TLS Using mod_ssl.so
12.         Dynamic HTTP Content

    Lab Tasks

1.         Apache Architecture
2.         Apache Content
3.         Configuring Virtual Hosts
4.         Using TLS Certificates with Apache
5.         CGI Scripts in Apache

    12. Write Bash Scripts

1.         Shell Script Strengths and Weaknesses
2.         Example Shell Script
3.         Positional Parameters
4.         Input & Output
5.         Comparisons with test
6.         Exit Status
7.         Conditional Statements
8.         Flow Control: case
9.         The borne for-Loop
10.         The while and until Loops

    Lab Tasks

1.         Writing a Shell Script

    13. Configure the Shell Environment

1.         Shells
2.         Identifying the Shell
3.         Changing the Shell
4.         Configuration Files
5.         Script Execution
6.         Shell Prompts
7.         Bash: Bourne-Again Shell
8.         Bash: Configuration Files
9.         Bash: Command Line History
10.         Bash: Command Editing
11.         Bash: Command Completion
12.         Bash: prompt

    Lab Tasks

1.         Linux Shells
2.         Bash History
3.         Aliases
4.         Bash Login Scripts

    14. Linux Containers Preview

1.         Application Management Landscape
2.         Application Isolation
3.         Resource Measurement and Control
4.         Open Container Initiative

    Lab Tasks

1.         Container Concepts runC
2.         Container Concepts Systemd

Learning Path

• Please contact us for suggestions.

• Red Hat Certified Systems Administrator Exam Prep

Ways to Attend

• Attend a public course, if there is one available. Please check our schedule, or register your interest in joining a course in your area.
• Private onsite Team training also available, please contact us to discuss. We can customise this course to suit your business requirements.