RH254 Red Hat System Administration III

5 days


  • 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, focus is placed on enhancing 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 Red Hat Certified Technician (RHCT)/Red Hat Certified System Administrator (RHCSA) administration skills will have exposure to all competencies tested by the RHCSA and Red Hat Certified Engineer (RHCE ) exams. Exams sold separately.


  • Microsoft Windows system administrators who need to quickly learn core Red Hat Enterprise Linux proficiencies
  • System administrators, network administrators, and other IT professionals who require proficiency performing core tasks in Linux
  • Non-Linux IT professionals on the path to becoming full-time Linux system administrators

Skills Gained

Impact on the organization

This course is intended to develop the skills needed to improve infrastructure performance, increase system utilization and security, and responsiveness to system failures by introducing advanced administration tasks and techniques. The result should be improved infrastructure security, lower costs of infrastructure services, more robust IT infrastructure, faster deployment of open source technologies, and improved quality of infrastructure services and products.

Impact on the individual

Students should be able to demonstrate the following skills:

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


  • RHCSA Rapid Track Course with exam (RH200) or the combination of Red Hat System Administration I (RH124) and Red Hat System Administration II with exam (RH135) courses
  • Equivalent experience to the RHCSA Rapid Track Course (RH200)
  • Skills required to earn an RHCT/RHCSA certification

Course Outline

Getting started with the classroom environment

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

Enhance user security

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

Bash scripting and tools

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

File security with GnuPG

  • Objective: Secure files with GnuPG.

Software management

  • Objective: Use yum plug-ins to manage packages; understand the design of packages; build a simple package.

Network monitoring

  • Objective: Profile running services, then capture and analyze network traffic.

Route network traffic

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

Secure network traffic

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

NTP server configuration

  • Objective: Configure an NTP server.

File systems and logs

  • Objective: Manage local file system integrity; monitor systems over time and system logging.

Centralized and secure storage

  • Objective: Access centralized storage (iSCSI) and encrypt file systems.

SSL-encapsulated web services

  • Objective: Understand SSL certificates and deploy an SSL-encapsulated web service.

Web server additional configuration

  • Objective: Configure a web server with virtual hosts, dynamic content, and authenticated directories.

Basic SMTP configuration

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

Caching-only DNS server

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

File sharing with NFS

  • Objective: Configure file sharing between hosts with NFS.

File sharing with CIFS

  • Objective: Configure file and print sharing between hosts with CIFS.

File sharing with FTP

  • Objective: Configure file sharing with anonymous FTP.

Troubleshooting boot process

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

Thinking about Onsite?

If you need training for 3 or more people, you should ask us about onsite training. Putting aside the obvious location benefit, content can be customised to better meet your business objectives and more can be covered than in a public classroom. It's a cost effective option.

Submit an enquiry from any page on this site, and let us know you are interested in the requirements box, or simply mention it when we contact you.

Upcoming Dates

Click a Date to Enroll.

Course Location Days Cost Date
London4 1860 £1860 2018-08-06
Bath5 1100 £1100 2018-08-01
London4 1860 £1860 2018-07-23
Manchester5 2632 £2632 2018-07-23
Ile de France
Paris4 2000 £2000 2018-07-09
Reading5 2632 £2632 2018-07-02
London5 2632 £2632 2018-06-18
Chicago4 2000 £2000 2018-06-04
Leeds4 1395 £1395 2018-05-29
Lyon4 2000 £2000 2018-05-28
Birmingham4 1395 £1395 2018-05-22
Birmingham4 1860 £1860 2018-05-21
London4 1395 £1395 2018-05-14
Ile de France
Paris4 2000 £2000 2018-05-14
Bath5 1100 £1100 2018-05-02
Wien5 3393 £3393 2018-04-23
London4 1695 £1695 2018-04-09
London4 1395 £1395 2018-04-03
Manchester4 1395 £1395 2018-04-03
Leeds4 1395 £1395 2018-03-26
Ile de France
Paris4 2000 £2000 2018-03-26
London5 2632 £2632 2018-03-19
Onsite5 2500 £2500 2018-03-17
Reading4 1860 £1860 2018-03-05
Bath5 1100 £1100 2018-03-01