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Broaden your ability to administer Linux systems and prepare for your Red Hat Certified Engineer (RHCE) exam.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.
Review how to manage services and the boot-up process using systemctl
Configure and troubleshoot basic IPv6 networking on Red Hat Enterprise Linux systems
Configure and troubleshoot advanced network interface functionality including bonding, teaming, and local software bridges
Permit and reject access to network services using advanced SELinux and firewalld filtering techniques
Set and verify correct DNS records for systems and configure secure DNS caching
Relay all email sent by the system to an SMTP gateway for central delivery
Provide and use networked iSCSI block devices as remote disks
Provide NFS exports and SMB file shares to specific systems and users
Provide a MariaDB SQL database for use by programs and database administrators
Configure Apache HTTPD to provide Transport Layer Security (TLS)-enabled websites and virtual hosts
Write simple shell scripts using Bash
Use Bash conditionals and other control structures to write more sophisticated shell commands and scripts
Customize Bash startup and use environment variables, Bash aliases, and Bash functions
Practice and demonstrate knowledge and skills learned in Red Hat System Administration III
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.
Recommended next exam or course
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 Server Hardening (RH413)
Red Hat Enterprise Clustering and Storage Management (RH436)
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