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RH254: Red Hat System Administration III

$3,200

  • 4 Days
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Course Description

The course is focused on deploying and managing network servers running caching Domain Name Service (DNS), MariaDB, Apache HTTPD, Postfix SMTP nullclients, network file sharing with Network File System (NFS) and Server Message Block (SMB), iSCSI initiators and targets, advanced networking and firewalld configurations, and the use of Bash shell scripting to help automate, configure, and troubleshoot the system. Through lectures and hands-on labs, students who have already earned the RHCSA certification will be exposed to all competencies covered by the Red Hat Certified Engineer (RHCE) exam (EX300).

This course is intended to develop the skills needed to improve infrastructure performance, increase system utilization and security, and responsiveness to system failures by introducing advanced administration tasks and techniques. The result should be improved infrastructure security, lower costs of infrastructure services, more robust IT infrastructure, faster deployment of open source technologies, and improved quality of infrastructure services and products.

Note: This course does not cover all RHCSA tasks. Students who need a review of RHCSA skills are encouraged to attend RHCSA Rapid Track Course (RH199).

Outline

Control services and daemons

  • Review how to manage services and the boot-up process using systemctl

 

Manage IPv6 networking

  • Configure and troubleshoot basic IPv6 networking on Red Hat Enterprise Linux systems

 

Configure link aggregation and bridging

  • Configure and troubleshoot advanced network interface functionality including bonding, teaming, and local software bridges

 

Control network port security

  • Permit and reject access to network services using advanced SELinux and firewall filtering techniques

 

Manage DNS for servers

  • Set and verify correct DNS records for systems and configure secure DNS caching

 

Configure email delivery

  • Relay all email sent by the system to an SMTP gateway for central delivery

 

Provide block-based storage

  • Provide and use networked iSCSI block devices as remote disks

 

Provide file-based storage

  • Provide NFS exports and SMB file shares to specific systems and users

 

Configure MariaDB databases

  • Provide a MariaDB SQL database for use by programs and database administrators

 

Provide Apache HTTPD web service

  • Configure Apache HTTPD to provide Transport Layer Security (TLS)-enabled websites and virtual hosts

 

Write Bash scripts

  • Write simple shell scripts using Bash

 

Bash conditionals and control structures

  • Use Bash conditionals and other control structures to write more sophisticated shell commands and scripts

 

Configure the shell environment

  • Customize Bash startup and use environment variables, Bash aliases, and Bash functions

 

Comprehensive review

  • Practice and demonstrate knowledge and skills learned in Red Hat System Administration III

 

 

Audience

Red Hat System Administration III is intended for experienced Linux administrators wishing to learn enterprise-level automation techniques through scripting, how to deploy and secure network services, and how to manage other key security features of Red Hat Enterprise Linux. Students in this course should have earned their RHCSA or have equivalent skills.

Note: This course does not cover all RHCSA tasks. Students who need a review of RHCSA skills are encouraged to attend RHCSA Rapid Track Course (RH199)

Prerequisites

RHCSA certification or equivalent experience.

What You Will Learn

As a result of attending this course, students should be able to perform the key tasks needed as a full time Linux system engineer or consultant. This course introduces enterprise Linux advanced administration topics, including service and daemon control, network configuration and troubleshooting, NFS and SAMBA file server configuration, Apache HTTP web server management, MariaDB SQL database configuration, Postfix SMTP configuration, DNS troubleshooting, and bash scripting.

Students should be able to demonstrate the following skills:

  • Control services and daemons.
  • Manage networking.
  • Configure link aggregation, bridging, teaming, and bonding.
  • Configure filters with firewalls.
  • Permit and reject access to network services using SELinux.
  • Manage DNS servers.
  • Configure SMTP email delivery.
  • Provide iSCSI block storage.
  • Configure NFS and SAMBA file-based storage.
  • Configure MariaDB SQL database.
  • AConfigure Apache HTTPD with TLS-enabled virtual hosts.
  • Write simple bash automation scripts.