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Linux and Red Hat Linux Certification

Red Hat System Administration III with RHCSA & RHCE Exams (RH255)

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  • Overview

    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).

    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).

    This version of the course includes the RHCSA and RHCE exams.

  • Who Should Take This Course

    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.


    Students should have RHCSA certification or equivalent experience. For candidates who have not earned their RHCSA certification, confirmation of the correct skills and knowledge can be obtained by passing the online skills assessment.

  • Why You Should Take This Course

    Upon completion of this course, students will be able to:

    • Understand network port security and link aggregation
    • Understand iSCSI initiator and target configuration
    • Understand DNS troubleshooting and caching name server
    • Provide NFS and SMB file servers
    • Understand Apache HTTPD web server management
    • Understand MariaDB SQL database configuration
    • Understand Postfix SMTP nullclient for servers
    • Use Bash scripting for automation
  • Schedule
  • Course Outline

    Control services and daemons

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

    Manage IPv6 networking

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

    Configure link aggregation and bridging

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

    Control network port security

    1. Permit and reject access to network services using advanced SELinux and firewalld filtering techniques

    Manage DNS for servers

    1. Set and verify correct DNS records for systems and configure secure DNS caching

    Configure email delivery

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

    Provide block-based storage

    1. Provide and use networked iSCSI block devices as remote disks

    Provide file-based storage

    1. Provide NFS exports and SMB file shares to specific systems and users

    Configure MariaDB databases

    1. Provide a MariaDB SQL database for use by programs and database administrators

    Provide Apache HTTPD web service

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

    Write Bash scripts

    1. Write simple shell scripts using Bash

    Bash conditionals and control structures

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

    Configure the shell environment

    1. Customize Bash startup and use environment variables, Bash aliases, and Bash functions

    Linux containers preview

    1. Preview the capabilities of Linux containers and other related technologies in Red Hat Enterprise Linux 7

    Comprehensive review

    1. Practice and demonstrate knowledge and skills learned in Red Hat System Administration III
  • FAQs
    Is there a discount available for current students?

    UMBC students and alumni, as well as students who have previously taken a public training course with UMBC Training Centers are eligible for a 10% discount, capped at $250. Please provide a copy of your UMBC student ID or an unofficial transcript or the name of the UMBC Training Centers course you have completed. Online courses are excluded from this offer.

    What is the cancellation and refund policy?

    Student will receive a refund of paid registration fees only if UMBC Training Centers receives a notice of cancellation at least 10 business days prior to the class start date for classes or the exam date for exams.

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