z15 T02 / LinuxONE III LT2
On April 14th IBM announced the new z15 T02 the successor for the z14 ZR1. At the same time also the LinuxONE III LT2 the successor for the LinuxONE Rockhopper II was announced. Both machines are based on … Read the rest
LinuxOne
zlib acceleration
With the z15 the CPU in System Z has gotten the ability to compress data into the zlib format really fast. The feature is officially called Integrated Accelerator for zEnterprise Data Compression (zEDC). This is know as zlib acceleration. Of … Read the rest
z15
Today September 12th 2019 IBM announced the new generation of mainframe called IBM z15. Planned availability date is September 23, 2019. And of course they also announced LinuxONE III. Like the z14 ZR1 this machine now also fits into a … Read the rest
Hypervisor monitoring with hyptop
System Z is designed to efficiently run multiple different workloads at the same time. From Linux you can with proper authorization monitor the other LPARs. The tool for this is hyptop.
Hyptop is documented in the man page (“man … Read the rest
SUSE Linux Enterprise Server 15 SP1 (SLES15 SP1) released
On June 24th 2019, one year after the first release, SUSE announced SLES15 SP1 the first service pack for SLES 15. This release adds many new features for System Z and also for using SLES15 SP1 as a KVM … Read the rest
Access to Linux on Z / LinuxONE Systems
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:
- LinuxONE Community Cloud hosts two free offerings:
- Virtual Server – here you
Oracle DB for Linux on Z / LinuxONE
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 Enterprise Linux (RHEL) 7.6 released
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
Hardware Security – Best Practices and where to find the right information
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
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