RH254 – System Administrator III

RH254 – System Administrator III 2017-09-15T17:31:00+00:00

Course Description

Red Hat® System Administration III (RH254), related to Red Hat Enterprise Linux,® 7, is designed for experienced Linux system administrators who hold a Red Hat Certified System Administrator (RHCSA®) certification or equivalent skills and who want to broaden their ability to administer Linux systems at an enterprise level.

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).

The duration of training:

4 days

Prerequisite

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.

  • 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.

What will be studied:

  • 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.
  • Configure Apache HTTPD with TLS-enabled virtual hosts.
  • Write simple bash automation scripts.

Course 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 firewalld 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

Next Step:

  • Red Hat OpenStack Administration (CL210)
  • Red Hat OpenShift Administration (DO280)
  • Configuration Management with Puppet (DO405)
  • Red Hat Certified Engineer exam (EX300)
  • Red Hat Enterprise System Monitoring and Performance Tuning exam (EX442)
  • Red Hat Virtualization (RH318)
  • Red Hat Enterprise Deployment and Systems Management (RH401)
  • Red Hat Server Hardening (RH413)
  • Red Hat Enterprise Clustering and Storage Management (RH436)