New Release: qclib v2.3

qclib v2.3 is now available for download here. No spectacular new features, just some minor polishing in this release.

For more information, see the README.

New Release: Ubuntu 21.04

Ubuntu 21.04 is out! See the release notes here, and the section on s390x (=IBM Z) specific features here.

Did you know...?

...that besides contributing to the regular updates of Linux distributions, like fixpacks, service packs and point releases, the Linux on Z development team also delivers bugfixes that become available to users through the ongoing, distro-specific update mechanisms as follows:
  • z-Stream in Red Hat Enterprise Linux (RHEL)
  • maintweb updates in SUSE Linux Enterprise Server (SLES)
  • SRU updates in Canonical's Ubuntu
Therefore, we strongly encourage Linux on Z users to keep their systems up to date and apply these updates whenever they become available to avoid issues that are already fixed!

Article: Using Netplan with Linux on IBM Z

A new article detailing how to use Netplan with systemd-networkd as the renderer with Linux on IBM Z can be found here.

Webinar: Red Hat OpenShift for IBM Z and LinuxONE on RHEL 8.3 KVM

Join us for our webinar on Wednesday, April 21, 11:00 AM - 12:00 PM EST!


Red Hat OpenShift is available on RHEL 8.3 KVM starting with Red Hat OpenShift version 4.7 on IBM Z and LinuxONE. We discuss the deployment of a Red Hat OpenShift Cluster on RHEL KVM from a high-level perspective, including supported configurations and requirements, especially the available network and storage options.
Furthermore, we explain the installation steps of Red Hat OpenShift 4.7 on RHEL KVM in detail, including best practices and a short excursion on cluster debugging.


  • Dr. Wolfgang Voesch, Iteration Manager - OpenShift on IBM Z and LinuxONE
  • Holger Wolf, Product Owner - OpenShift on Linux on IBM Z and LinuxONE


Register here. You can check the system requirements here.
After registering, you will receive a confirmation email containing information about joining the webinar.

Replay & Archive

All sessions are recorded. For the archive as well as a replay and handout of this session and all previous webinars see here.

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