Red Hat System Administration III with RHCSA and RHCE Exams (RH255)

Red Hat® System Administration III with RHCSA and RHCE Exam (RH255) is designed for experienced Linux® administrators who need 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.

Retail Price: $4,000.00

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Course Days: 5


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About this Course

Red Hat® System Administration III with RHCSA and RHCE Exam (RH255) is designed for experienced Linux® administrators who need 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, which are included in this class.

Audience Profile

  • Senior Linux system administrators who require networking and security administration skills
  • Linux IT professionals who currently have an RHCT or RHCSA certification and are interested in earning an RHCE certification
  • Linux IT professionals who 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

Course Outline

1. Getting started with the classroom environment

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

2. Enhance user security

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

3. Bash scripting and tools

Automate system administration tasks using Bash scripts and text-based tools.

4. File security with GnuPG

Secure files with GnuPG.

5. Software management

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

6. Network monitoring

Profile running services, then capture and analyze network traffic.

7. Route network traffic

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

8. Secure network traffic

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

9. NTP server configuration

Configure an NTP server.

10. File systems and logs

Manage local file-system integrity; monitor systems over time and system logging.

11. Centralized and secure storage

Access centralized storage (iSCSI) and encrypt file systems.

12. SSL-encapsulated web services

Understand SSL certificates and deploy an SSL-encapsulated web service.

13. Web server additional configuration

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

14. Basic SMTP configuration

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

15. Caching-only DNS server

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

16. File sharing with NFS

Configure file sharing between hosts with NFS.

17. File sharing with CIFS

Configure file and print sharing between hosts with CIFS.

18. File sharing with FTP

Configure file sharing with anonymous FTP.

19. Troubleshooting boot process

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



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