Enterprise Linux Security Administration

GL550 | 5 days |

This highly technical course focuses on properly securing machines running the Linux operating systems.


This highly technical course focuses on properly securing machines running the Linux operating systems. A broad range of general security techniques such as packet filtering, password policies, and file integrity checking are covered. Advanced security technologies such as Kerberos and SELinux are taught. Special attention is given to securing commonly deployed network services. At the end of the course, students have an excellent understanding of the potential security vulnerabilities, know how to audit existing machines, and how to securely deploy new network services.

What you’ll learn

  • Security Concepts
  • Scanning, Probing, and Mapping Vulnerabilities
  • Password Security and PAM
  • Secure Network Time Protocol (NTP)
  • Kerberos Concepts
  • Kerberos Components
  • Implementing Kerberos
  • Administrating and Using Kerberos
  • Securing The Filesystem
  • AIDE
  • Securing APACHE
  • Securing PostgreSQL
  • Securing Email Systems
  • SELinux Concepts
  • SELinux Policy
  • Accountability with Kernel auditd


Frequently Asked Questions

Who should attend?

Unix (AIX, HP-UX, BSD) systems administrators who want to learn more about the Linux environment.

Are there any prerequisites for the training?

This course covers advanced security topics and is intended for experienced systems administrators. Candidates should have current Linux or UNIX systems administration experience equivalent to the GL250 Enterprise Linux Systems Administration and GL275 Enterprise Linux Network Services.

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Related Courses

Enterprise Linux Network Services


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