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zCX – Container Extensions for z/OS


1 hour


The content of this course offers an introduction to the Docker platform and how z/OS Container Extensions (zCX) facilitates the running of Docker containers on z/OS. It includes an overview of the Docker images that are compatible with zCX and describes where they can be obtained. The course also explores various practical use cases that illustrate the benefits of implementing zCX. Additionally, the course provides detailed information on zCX, explaining how the zCX started task provides the infrastructure that Docker containers need to run, and how it leverages z/OS features.


System programmers and IT specialists responsible for configuring, implementing and deploying zCX.


General z/OS processing concepts and knowledge, including basic UNIX System Services skills.


    After completing this course, the student should be able to:
  • Describe the Benefits and Purposes of Containers and z/OS Container Extensions
  • Explain How z/OS Containers Run in a z/OS Environment

Course Content

Introduction to Container Extensions for z/OS

Docker Introduction
z/OS Container Extensions
Docker Images
zCX Benefits and Scenarios
zCX Started Task
zCX Command Line Interface
Container Separation
Utilizing z/OS Features
zCX Security
Network Communication
Docker Swarm
Docker Registry

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