z14 ZR1 / LinuxONE Rockhopper II
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
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
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 Linux Enterprise Server 12 SP4 (SLES12 SP4) released
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
Ubuntu 18.04 LTS available for Linux on Z and LinuxONE
On April 27th 2018 Canonical announced the second version of Ubuntu LTS for Linux on Z and LinuxONE.
Link collection and other useful information:
- Canonical System Z specific blog
- Ubuntu 18.04 release notes
- Ubuntu 18.04 installation guide
- Ubuntu Server Certifications
Red Hat Enterprise Linux (RHEL) 7.5 released
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
SUSE Linux Enterprise 12 Service Pack 3 (SLES 12 SP3) released
On September 7th 2017 eleven months after the last service pack SUSE has released the latest updated to their flag ship server distribution.
The kernel level for 12.3 is kernel-4.4.73-5.1. So the major kernel level stayed the same, which allowed … Read the rest
Red Hat Enterprise Linux (RHEL) 7.4 released
On August 1st, 2017 Red Hat announced the next regular update to their flag ship operating system.
The
kernel level for 7.4 is kernel-3.10.0-693.el7.
Here is my usual summary of links to more information:
… Read the restDetermining LPAR CPU assignment on a running System Z
A frequently question in the past was: which physical CPUs is my LPAR using right now? Since z14 the Hardware Management Console provides this for authorized users. The task is called “View partition Resource Assignments”.
The Washington System Center has … Read the rest
z14
Today July 17th 2017 IBM announced the new mainframe called IBM z14. Planned availability date is September 13, 2017.
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| IBM z14 glass model |
From a Linux perspective the IBM tested platforms has been updated to include z14. The following minimum … Read the rest