Course Code: 2354

Red Hat Enterprise Linux Systems Administration III

Class Dates:
1/27/2025
2/24/2025
2/24/2025
3/31/2025
Length:
4 Days
Cost:
$2495.00
Class Time:
Technology:
Developer
Delivery:
Instructor-Led Training, Virtual Instructor-Led Training

Overview

  • Course Overview
  • 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.

  • Audience
  • A Red Hat Training "Enterprise Linux Sys Admin Level 3" course is typically designed for experienced Linux system administrators who already hold a Red Hat Certified System Administrator (RHCSA) certification or equivalent skills, and want to further their knowledge by managing complex enterprise-level Linux systems with advanced networking, security, and automation features; essentially aiming to prepare them for the Red Hat Certified Engineer (RHCE) certification exam by covering topics like advanced network services, data center technologies, and sophisticated system administration tasks.

Prerequisites

Course Disclaimer

*Course Cost listed does not include the cost of courseware or exam. Course is subject to a minimum enrollment to run. Course may run virtually as a Virtual Instructor-Led (VILT) class if the minimum enrollment is not met. If the course is under the minimum enrollment the course may run as 4 day class (Bootcamp Style).

Course Details

  • 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
  • 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
  • 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
  • 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