Unbreakable Enterprise Kernel Release 7 BETA for Oracle Linux is now available

May 10, 2022 | 5 minute read
Simon Coter
Director, Oracle Linux and Virtualization Product Management
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The Unbreakable Enterprise Kernel (UEK) for Oracle Linux provides the latest open source innovations, key optimizations, and security to cloud and on-premises workloads. The most modern Enterprise Linux kernel, UEK powers Oracle Cloud, Oracle Engineered Systems, Oracle Linux on Intel/AMD as well as Arm platforms.

The Unbreakable Enterprise Kernel Release 7 (UEK R7) Beta, today available for Oracle Linux 8, is built from upstreamLinux Kernel 5.15 and includes additional features that provide support for the latest technologies, devices, and key functional requirements. Patches have been applied to improve performance and optimize the kernel. This UEK7 Beta release does not disable features that are enabled in the Red Hat Compatible Kernel.

UEK 7 Beta release

The Unbreakable Enterprise Kernel Release 7 (UEK R7) is today available as Beta release, to anticipate the next generation Unbreakable Enterprise Kernel for Oracle Linux 8.

UEK R7 Beta release is based on the mainline kernel version 5.15 and includes the capabilities and benefits of the same upstream Linux Kernel release. By actively monitoring upstream check-ins and thanks to the collaboration with partners and customers, Oracle continues to improve the experience of running Oracle Linux on modern hardware as well as in the cloud.

UEK R7 Beta release can be recognized with a release number starting with 5.15.0 and is an update to the upstream mainline kernel v5.15.0. UEK R7 includes upstream LTS bug fixes, with additional patches to enhance existing functionality and provide some minor bug fixes and security improvements.

New features and changes part of the Unbreakable Enterprise Kernel 7 Beta release are available on UEK documentation.

Enable and install UEK R7 Beta on Oracle Linux 8

As a Beta release, this UEK R7 release is not officially supported and should not be used on production systems.

To install UEK R7 on an existing Oracle Linux 8 system, proceed with following steps:

  • Install "Oracle Linux Developer Release" RPM on Oracle Linux 8
# dnf install oraclelinux-developer-release-el8 -y

Output example:

uek7-install-01

  • Enable "ol8_developer_UEKR7" Yum channel on Oracle Linux 8
# dnf config-manager --set-enabled ol8_developer_UEKR7

Output example:

uek7-install-02

  • Update your system to complete the installation of the UEK R7 Beta release
# dnf update -y

Output example:

uek7-install-03

  • Reboot your system to check your Unbreakable Enterprise Kernel Release 7 Beta release is running
# uname -a

Output example:

uek7-install-04

Upgrade from UEK R7 Alpha to UEK R7 Beta on Oracle Linux 8

  • If you have previous UEK7 Alpha release installed on your system (kernel-uek-5.15.0-2148.0.5.1.el8uek.x86_64) you can update the same to the UEK7 Beta release with the following command
# dnf update kernel-uek-5.15.0-0.30.9.el8uek kernel-uek-devel-5.15.0-0.30.9.el8uek -y
  • Reboot your system to remove the UEK R7 Alpha release previously installed
# dnf remove kernel-uek-5.15.0-2148.0.5.1.el8uek kernel-uek-devel-5.15.0-2148.0.5.1.el8uek -y
  • Check your Unbreakable Enterprise Kernel Release 7 Beta release is running
# uname -a

Output example:

uek7-install-04

Oracle Linux downloads

Individual RPM packages are available on the Unbreakable Linux Network (ULN) and the Oracle Linux yum server. ISO installation images are available from the Oracle Linux yum server and Oracle Software Delivery Cloud and container images are available via Oracle Container RegistryGitHub Container Registry and Docker Hub.

Oracle Linux can be downloaded, used, and distributed free of charge and all updates and errata are freely available. Customers decide which of their systems require a support subscription. This makes Oracle Linux an ideal choice for development, testing, and production systems, since support coverage can be optimized for each individual system, while keeping all systems up to date and secure.

Resources

Simon Coter

Director, Oracle Linux and Virtualization Product Management

A 20-years Oracle veteran, Simon Coter is an experienced product manager and open source community member. He leads a team responsible for several Oracle Linux and Virtualization offerings, including Oracle Linux, the Unbreakable Enterprise Kernel for Oracle Linux, Oracle Cloud Native Environment, Oracle Linux KVM, Oracle Linux Virtualization Manager, Oracle Linux Automation Manager, Gluster, Oracle VM, and VirtualBox. Prior to this, Simon was a technical consultant focused on project management, architectures definition, sizing and implementation, best practices, and technical references for customers.


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