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Access to Linux on Z / LinuxONE Systems

June 17, 2019 April 7, 2020 / By Eberhard Pasch / Hardware, Linux Distributions / Leave a Comment

One of the FAQs that I get is: where can I get access to Linux on Z? Depending on what you want to do, there are several options:

  1. LinuxONE Community Cloud hosts two free offerings:
    • Virtual Server – here you
… Read the rest

Oracle DB for Linux on Z / LinuxONE

June 10, 2019 March 14, 2022 / By Eberhard Pasch / Oracle / Leave a Comment

Latest News (updated 3/14/2022)

Oracle 19c is now certified for SLES 15 SP3+ on Linux on Z. This is the next long term release of the Oracle database. If you have an Oracle DB license covering this, you can download … Read the rest

Red Hat logo

Red Hat Enterprise Linux (RHEL) 7.6 released

June 10, 2019 June 10, 2019 / By Eberhard Pasch / Linux Distributions, Red Hat / Leave a Comment

On October 30th, 2018 Red Hat announced RHEL 7.6 the next regular update to their flag ship operating system. This the successor for RHEL 7.5.

The kernel level for 7.6 is kernel-3.10.0-957.el7. Furthermore the kernel-alt introduced with RHEL 7.5, … Read the rest

Summary of PostgreSQL tuning effort

PostgreSQL: Tuning for Linux on Z

June 3, 2019 June 4, 2019 / By Eberhard Pasch / Hint and Tips, Software / Leave a Comment

PostgreSQL is one of the popular databases on Linux on Z. It’s available in all major distributions. As with every database tuning is important. Marc Beyerle, a colleague of mine, wrote an in depth article about his tuning experiences: “… Read the rest

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SUSE Linux Enterprise Server 15 (SLES 15) released

June 3, 2019 June 24, 2019 / By Eberhard Pasch / Linux Distributions, SUSE / Leave a Comment

On June 25th 2018 SUSE announced the new version of their flagship operating system for Linux on Z and LinuxONE. It’s now the 8th major version from SUSE available on the mainframe! All packages and modules have been upgraded to … Read the rest

Hardware security - Spectre logo with text

Hardware Security – Best Practices and where to find the right information

May 27, 2019 May 26, 2019 / By Eberhard Pasch / Hardware, Linux Distributions, Red Hat, Security, SUSE, Ubuntu / Leave a Comment

With the publication of the Spectre and Meltdown vulnerabilities last year the new class of hardware security threads has been discovered. Everyone needs to protect against them. For Linux and System Z the most important best practice is to stay … Read the rest

IBM LinuxONE Rockhopper II cover

z14 ZR1 / LinuxONE Rockhopper II

May 27, 2019 May 23, 2019 / By Eberhard Pasch / Hardware / Leave a Comment

IBM has announced the new z14 ZR1 / LinuxONE Rockhopper II on April 10, 2018. The key new feature for me of this box is the form factor. Instead of the decades old 24″ rack a standard 19″ rack is … Read the rest

Data at rest encryption with protected key

May 20, 2019 October 8, 2019 / By Eberhard Pasch / Hardware, Hint and Tips, Linux, Security / Leave a Comment
Video1: Concept video – Chinese version

Concept

You might have heard IBM talking about “pervasive encryption”. In this post we take a look at what’s behind this. With every encryption scheme there is the problem of access to the keys. … Read the rest

Blog moved …. extensions coming

May 13, 2019 May 18, 2019 / By Eberhard Pasch / Other / Leave a Comment

This blog has been moved from Blogger to it’s own WordPress site. There is still work underway for design and better usability – so stay tuned. Also I plan to start a regular cadence of Blog posts once a week … Read the rest

SUSE logo

SUSE Linux Enterprise Server 12 SP4 (SLES12 SP4) released

December 12, 2018 December 20, 2019 / By Eberhard Pasch / Linux Distributions, SUSE / Leave a Comment

On December 12th 2018,  SUSE announced SLES12 SP4 the follow up service pack after SLES 12 SP3.   This release comes like SLES 12 SP2 with a major kernel upgrade. This has pros and cons. One of the pros … Read the rest

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Recent Posts

  • CPU Measurement Facility (CPUMF) for Linux on zSystems
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  1. SUSE Linux Enterprise Server 12 SP5 (SLES12 SP5) released
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