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Red Hat System Administration III

Course Number: RH254
Number of Days: 4
Price: $2,700


Red Hat System Administration III (RH254) is designed for experienced Linux administrators who require networking and security administration skills. With a heavy emphasis on practical, hands-on labs, this course is tightly aligned with experienced Linux administrators' job tasks and the skills required for advancement. Focus is placed on enhancing the students' automation skills to securely configure, deploy and manage network services including DNS, Apache, SMTP, and network file sharing. In addition, this course emphasizes security, including monitoring, packet filtering, access controls, and SELinux. At the completion of this course, students already familiar with the RHCT/RHCSA administration skills will have exposure to all competencies tested by the RHCSA and RHCE exams.


Getting Started with the Classroom Environment

  • Given a virtualized environment, begin to administrate multiple systems using prerequisite skills

Enhance User Security

  • Configure system to use Kerberos to verify credentials and grant privileges via sudo

Bash Scripting and Tools

  • Automate system administration tasks utilizing Bash scripts and text-based tools

File Security with GnuPG

  • Secure files with GnuPG.

Software Management

  • Use yum plugins to manage packages and understand the design of packages to build a simple package

Network Monitoring

  • Profile running services then capture and analyze network traffic

Route Network Traffic

  • Configure system to route traffic and customize network parameters with sysctl

Secure Network Traffic

  • Secure network traffic through SSH port forwarding and iptables filtering/network address translation (NAT)

NTP Server Configuration

  • Configure an NTP servers

Filesystems and Logs

  • Manage local file system integrity, monitor system over time, and system logging

Centralized and Secure Storage

  • Access centralized storage (iSCSI) and encrypt filesystems

SSL-encapsulated Web Services

  • Understand SSL certificates and deploy an SSL encapsulated web service

Web Server Additional Configuration

  • Configure web server with virtual hosts, dynamic content, and authenticated directories

Basic SMTP Configuration

  • Configure an SMTP server for basic operation (null client, receiving mail, smarthost relay)

Caching-Only DNS Server

  • Understand DNS resource records and configure a caching-only name server

File Sharing with NFS

  • Configure file sharing between hosts with NFS

File Sharing with CIFS

  • Configure file and print sharing between hosts with CIFS

File Sharing with FTP

  • Configure file sharing with anonymous FTP

Troubleshooting Boot Process

  • Understand the boot process and recover unbootable systems with rescue mode

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