Ubuntu 21.10 released

Ubuntu Server 21.10 is out!
It ships

• Linux kernel 5.13 (including, among others, features as described here and here)
  
• QEMU v6.0
• libvirt v7.6

See the release notes here, and the blog entry at Canonical with Z-specific highlights here.

Documentation Update: KVM Virtual Server Management

Intended for KVM virtual server administrators, the "Linux on Z and LinuxONE - KVM Virtual Server Management" book illustrates how to set up, configure, and operate Linux on KVM instances and their virtual devices running on the KVM host and IBM Z hardware.

This major update includes libvirt commands and XML elements for managing the lifecycle of VFIO mediated devices, performance tuning tips, and a simplified method for configuring a virtual server for IBM Secure Execution for Linux.