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Explore the hardware and operating systems that act as servers or hosts for your applications.
Featured | Video | Tech Talks

COBOL Fridays: A beginner's practical approach to COBOL

Get answers to basic commonly asked COBOL-related questions.

April 21, 2020
Featured | Video

Getting COBOL working on Red Hat OpenShift and Kubernetes

April 20, 2020
Featured | Blog Post

z15 and LinuxONE III single frames: Build secure for developers

April 14, 2020
Featured | Blog Post

Red Hat Ansible Certified Content for IBM Z now available for developers

March 17, 2020

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About Systems

Explore the hardware and operating systems that act as servers or hosts for your applications.

Tutorial

Running Node-RED on IBM i: Installation and first flow

March 30, 2021
Article

A quick introduction to the Google C++ Testing Framework

May 11, 2010
Tutorial

Learn Linux, 101: A roadmap for LPIC-1

September 15, 2020
Article

The powerful JSON_TABLE function

March 30, 2021
Article

nmon analyser -- A free tool to produce AIX performance reports

January 14, 2020
Tutorial

Create an Nginx reverse proxy across multiple backend servers

March 16, 2020