Course Description:
Red Hat System Administration III with RHCSA and RHCE Exams (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 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. This class includes the RHCSA and the RHCE exams.
What is a Red Hat Certified Engineer (RHCE)?
An RHCE certification is earned by an RHCSA who has demonstrated the knowledge, skill, and ability required of senior system administrators for Red Hat Enterprise Linux systems.
Audience:
Senior Linux system administrators who require networking and security administration skills
Linux IT professionals who currently have RHCT/RHCSA certification, and are interested in earning an RHCE certification
Linux IT professionals that can demonstrate the competencies needed to earn an RHCSA
Prerequisites:
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
Confirmation of the correct skill set knowledge can be obtained by passing the online pre-assessment quiz at redhat.com/training/skills_assessment
:: Course RH255 ::
Course Content Summary:
Enhancing user security
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
Course Outline
Given a virtualized environment, begin to administrate multiple systems using prerequisite skills
Configure system to use Kerberos to verify credentials and grant privileges via sudo
Automate system administration tasks utilizing Bash scripts and text-based tools
Secure files with GnuPG.
Use yum plugins to manage packages and understand the design of packages to build a simple package
Profile running services then capture and analyze network traffic
Configure system to route traffic and customize network parameters with sysctl
Secure network traffic through SSH port forwarding and iptables filtering/network address translation (NAT)
:: Course RH255 ::
Configure an NTP server
Manage local file system integrity, monitor system over time, and system logging
Access centralized storage (iSCSI) and encrypt filesystems
Understand SSL certificates and deploy an SSL encapsulated web service
Configure web server with virtual hosts, dynamic content, and authenticated directories
Configure an SMTP server for basic operation (null client, receiving mail, smarthost relay)
Understand DNS resource records and configure a caching-only name server
Configure file sharing between hosts with NFS
Configure file and print sharing between hosts with CIFS
Configure file sharing with anonymous FTP
Understand the boot process and recover unbootable systems with rescue mode
This is a version-specific reference outline. Confirm the current syllabus and delivery arrangements with EIEIO.