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RH255 - Red Hat System Administration III with RHCE Exam

Course Summary

Red Hat System Administration III with RHCE Exam (RH255) 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. This class includes the RHCSA and the RHCE exams.

Course Content
  • Enhancing user security
  • Configuration and automated deployment and management of secure network services (DNS, Apache, SMTP, file-sharing)
  • Disk management with iSCSI
  • System and network activity monitoring
  • Network management and packet filtering
  • Software management
  • Web service management
  • File-sharing across platforms
  • Basic SMTP management
  • Senior Linux system administrators who require networking and security administration skills
  • Linux IT professionals who are currently RHCT/RHCSA, and are interested in earning an RHCE certification
  • Linux IT professionals that can demonstrate the competencies needed to earn an RHCT/RHCSA, but have not passed the RHCSA exam provided with the Red Hat System Administration II course
Follow up courses and exams
  • Red Hat Enterprise Linux Troubleshooting (RH142)
  • Red Hat Enterprise Virtualization (RH318)
  • Red Hat Enterprise Security: Network Services (RHS333)
  • Red Hat Enterprise Deployment, Virtualization and Systems Management (RH401)
  • Red Hat Enterprise Directory Services and Authentication (RH423)
  • Red Hat Enterprise SE Linux Policy Administration (RHS429)
  • Red Hat Enterprise Clustering and Storage Management (RH436)
  • Red Hat Enterprise System Monitoring and Performance Tuning (RH442)
  • 5 days intensive training on Red Hat Enterprise Linux
  • Hands-on labs and exercises
  • Catered lunch
  • One workstation per student
  • Student materials, pre-assessment questionnaire, study aids, handouts
  • Red Hat promotional items
All other expenses of travel and per diem are the student´s responsibility.

Course Outline

The following is an outline of the skills and knowledge represented in the training elements of the Red Hat System Administration III with RHCE Exam (RH255) course.
Note: Technical content subject to change without notice. Reload this page regularly to insure up-to-date information.

Unit 1 - Getting Started with the Classroom Environment
Objective: Given a virtualized environment, begin to administrate multiple systems using prerequisite skills
Unit 2 - Enhance User Security
Objective: Configure system to use Kerberos to verify credentials and grant privileges via sudo
Unit 3 - Bash Scripting and Tools
Objective: Automate system administration tasks utilizing Bash scripts and text-based tools
Unit 4 - File Security with GnuPG
Objective: Secure files with GnuPG
Unit 5 - Software Management
Objective: Use yum plugins to manage packages and understand the design of packages to build a simple package
Unit 6 - Network Monitoring
Objective: Profile running services then capture and analyze network traffic
Unit 7 - Route Network Traffic
Objective: Configure system to route traffic and customize network parameters with sysctl
Unit 8 - Secure Network Traffic
Objective: Secure network traffic through SSH port forwarding and iptables filtering/network address translation (NAT)
Unit 9 - NTP Server Configuration
Objective: Configure an NTP server
Unit 10 - Filesystems and Logs
Objective: Manage local file system integrity, monitor system over time, and system logging
Unit 11 - Centralized and Secure Storage
Objective: Access centralized storage (iSCSI) and encrypt filesystems
Unit 12 - SSL-encapsulated Web Services
Objective: Understand SSL certificates and deploy an SSL encapsulated web service
Unit 13 - Web Server Additional Configuration
Objective: Configure web server with virtual hosts, dynamic content, and authenticated directories
Unit 14 - Basic SMTP Configuration
Objective: Configure an SMTP server for basic operation (null client, receiving mail, smarthost relay)
Unit 15 - Caching-Only DNS Server
Objective: Understand DNS resource records and configure a caching-only name server
Unit 16 - File Sharing with NFS
Objective: Configure file sharing between hosts with NFS
Unit 17 - File Sharing with CIFS
Objective: Configure file and print sharing between hosts with CIFS
Unit 18 - File Sharing with FTP
Objective: Configure file sharing with anonymous FTP
Unit 19 - Troubleshooting Boot Process
Objective: Understand the boot process and recover unbootable systems with rescue mode

Skopje, Macedonia

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