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This page provides resources to help sysadmins and developers of Oracle Linux evaluate, deploy, and maintain installations of the Linux OS and the Unbreakable Enterprise Kernel.
The Oracle Linux distribution is free to download, use and distribute. Oracle Linux Support is available if you want premier backports, comprehensive management, indemnification, testing, and more. To see Oracle's hosted Linux projects and FOSS from Oracle, visit oss.oracle.com.
Send any comments or questions about the documentation to the Oracle Linux documentation team.
The Unbreakable Enterprise Kernel (UEK), included as part of Oracle Linux, provides the latest open source innovations, key optimizations and security for enterprise cloud workloads. This Linux kernel powers Oracle Cloud and Oracle Engineered Systems such as Oracle Exadata Database Machine. Oracle tests UEK intensively with demanding Oracle workloads, and recommends UEK for Oracle deployments and all other enterprise deployments.
Oracle contributes to upstream Linux kernel development with enhancements that benefit Oracle Database, middleware, applications and hardware, as well as our broad partner ecosystem. These enhancements are distributed to customers through UEK for Oracle Linux.
By selectively integrating the latest open source Linux capabilities into UEK while still providing application binary compatibility with the Red Hat Compatible Kernel, Oracle makes it easy to run the most demanding cloud and enterprise workloads without compromising stability and security. We test all our on-premises software, and run Oracle Cloud on UEK, ensuring you can achieve the highest scalability and performance with your current workloads and those of the future.
|DTrace||DTrace provides Oracle Linux customers with a comprehensive, dynamic tracing framework. Find and fix performance and stability problems easily and securely with DTrace enhancements like perf_events as Statically Defined Trace (SDT) probes.|
|Performance and Scalability Improvements||Notable performance improvements include:
|Btrfs Improvements||Continued improvements in scalability, performance and stability for Btrfs are key features of this latest release.|
|Virtualization Improvements||Significant improvements to KVM functionality including:
|Linux Containers||It’s easier than ever to get the most out of your systems with Linux Containers (LXC) and Docker. Deploy applications quickly and efficiently with Linux container technologies. You can easily build your own or download ours from Oracle Container Registry, Docker Hub, and Docker Store.|
|Updated Drivers and Hardware Support||The UEK Release 5 supports a wide range of hardware and devices. In close cooperation with our enterprise solution hardware partners, UEK updates deliver support for the latest hardware features and driver updates.|
|Security Improvements||In addition to ongoing CVE fixes, notable security improvements include:
The Unbreakable Enterprise Kernel Release 5 is the latest UEK release and is a heavily tested and optimized operating system kernel for Oracle Linux 7 Update 5 and later on the x86-64 and 64-bit ARM (aarch64) architectures. It is based on the mainline Linux kernel version 4.14.35.
The Unbreakable Enterprise Kernel Release 4 is Oracle's fourth major release of its heavily tested and optimized operating system kernel for Oracle Linux 6 Update 7 or later, and Oracle Linux 7 Update 1 or later, on the x86-64 architecture. It is based on the mainline Linux kernel version 4.1.12.
Scores of leading technology partners—independent software vendors, hardware vendors, and system integrators—stand behind Oracle Linux, the best enterprise Linux. Oracle Linux is modern, fast, optimized for Oracle and works out-of-the-box with partners solutions supported on Red Hat Enterprise Linux.
The table below provides a sample of the ever-growing list independent software vendors, hardware vendors, and system integrators that support Oracle Linux.
For more information on Oracle's partner program or assistance in certifying your applications with Oracle VM, contact the partner team at firstname.lastname@example.org.
Oracle Linux is the only recommended Linux distribution for Oracle applications and has been engineered to provide the most secure, scalable, and reliable solution for your mission critical workloads.
Oracle Linux with the Unbreakable Enterprise Kernel provides the best performance and the latest features from Oracle and the mainline kernel community.
Oracle Linux customers have access to the most powerful commercial Linux distribution available and access to resources who understand the complexity of the applications running in your production environment.
Whether your solutions are running on physical hardware or virtualized, Oracle Linux and the Unbreakable Enterprise Kernel will ensure those workloads are optimized for maximum performance and results.