On November 9th 2021 Red Hat released RHEL 8.5 the fourth service pack for their leading Linux enterprise version. This is an intermediate release but it has a few interesting features, which may be the reason to upgrade to this … Read the rest
On October 29th, 2020 Red Hat announced RHEL 8.3 the third service pack for their leading enterprise version. As soon as your middleware and application are available for RHEL 8 please plan for migration from older releases.
The kernel level … Read the rest
The new IBM z15 / LinuxONE Emperor III introduced the possibility for an operating system to boot in a secure fashion. The chain of trust is verified from the hardware throughout the whole firmware up into the operating system. Right … Read the rest
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
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
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
On November 8th 2016 eleven months after the last service pack SUSE has released the latest updated to their flag ship server distribution. SUSE also has a blog post with some more details.
The
kernel level for 12.2 is kernel-4.4.21-69.1. … Read the rest
On December 22nd just in time for Christmas SUSE has released the latest updated to their flag ship server distribution.
The
kernel level for 12.1 is kernel-3.12.49-11.1. As one of the top features this distribution is the first one, which … Read the rest