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Red Hat Enterprise Linux Systems Administration III

Price
2,340 USD
4 Days
OSUN-715
Classroom Training, Online Training
Red Hat Training Partner

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Course Description

Overview

This Red Hat Enterprise Linux Systems Administration III 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.
The Red Hat Enterprise Linux (RHEL) system administration topics covered in this course along with the OSUN-710 course cover the certification objects of the Red Hat Certified Engineer (RHCE) exam.

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.

 

Objectives

Upon completion of the Red Hat Enterprise Linux Systems Administration III course, students will be able to:
  • Understand Linux systems administration principles
  • Employ automation techniques
  • Describe deployment of common network services
  • Deploy critical network services

Audience

  • Administrators

Prerequisites

    • Successful completion of OSUN-700 Red Hat Enterprise Linux Systems Administration I and OSUN-705 Red Hat Enterprise Linux Systems Admin II OR OSUN-120 Linux Fundamentals and OSUN-225 Enterprise Linux Systems Administration, or equivalent knowledge

Topics

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
  • Lab Tasks
    • Adjusting Kernel Options
    • Introduction to Troubleshooting Labs
    • Troubleshooting Practice: Kernel Modules
CONTROL SERVICES AND DAEMONS
  • Systemd System and Service Manager
  • Modifying systemd services
  • Systemd Service Sandboxing Features
  • Systemd Targets
  • Using systemd
  • Legacy Support for SysV init
  • Lab Tasks
    • Managing Services With Systemd's systemctl
    • Creating a systemd unit file
    • Troubleshooting Practice: Boot Process
MANAGE IPV6 NETWORKING
  • IPv6
  • Lab Tasks
    • Configuring IPv6
CONFIGURE LINK AGGREGATION AND BRIDGING
  • Interface Aggregation
  • Interface Bonding
  • Network Teaming
  • Interface Bridging
CONTROL NETWORK PORT SECURITY
  • SELinux Security Framework
  • SELinux Modes
  • SELinux Commands
  • Choosing an SELinux Policy
  • SELinux Booleans
  • Permissive Domains
  • SELinux Policy Tools
  • FirewallD
  • Lab Tasks
    • Firewall Configuration
    • FirewallD
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
  • Lab Tasks
    • Configuring a Slave Name Server
    • Use rndc to Control named
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
  • Lab Tasks
    • Configuring Postfix
    • Postfix Virtual Host Configuration
    • Postfix Network Configuration
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
  • Lab Tasks
    • iSCSI Initiator Configuration
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
  • Lab Tasks
    • NFS Server Configuration
CONFIGURE MARIADB DATABASES
  • Popular SQL Databases
  • MariaDB
  • MariaDB Installation and Security
  • MariaDB User Account Management
  • Lab Tasks
    • Installing and Securing MariaDB
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
  • Lab Tasks
    • Apache Architecture
    • Apache Content
    • Configuring Virtual Hosts
    • Using TLS Certificates with Apache
    • CGI Scripts in Apache
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 borne for-Loop
  • The while and until Loops
  • Lab Tasks
    • Writing a Shell Script
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
  • Lab Tasks
    • Linux Shells
    • Bash History
    • Aliases
    • Bash Login Scripts
LINUX CONTAINERS PREVIEW
  • Application Management Landscape
  • Application Isolation
  • Resource Measurement and Control
  • Open Container Initiative
  • Lab Tasks
    • Container Concepts runC
    • Container Concepts Systemd
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