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
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
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
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 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
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
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
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
On April 27th 2018 Canonical announced the second version of Ubuntu LTS for Linux on Z and LinuxONE.
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On April 10th, 2018 Red Hat announced the next regular update to their flag ship operating system.
The
kernel level for 7.5 is kernel-3.10.0-862.el7. The kernel level for 7.5-alt is kernel-4.14.0-49.el7a.
And this is actually the largest change. There is … Read the rest