|
Upcoming Webinar: What Changes and What Doesn't When Moving from Red Hat to Oracle Linux |
|
|
Moving from Red Hat Enterprise Linux to Oracle Linux does not have to mean rethinking everything about your Linux environment. In this technical webinar, Oracle experts will walk through what changes, what remains familiar, and what teams should evaluate when planning a switch.
The session will cover application binary compatibility, kernel choice with UEK and the Red Hat Compatible Kernel, support subscription options, patching with Oracle Ksplice, automation with Oracle Linux Automation Manager, and considerations for Oracle workloads, cloud native environments, and virtualization.
Attendees will gain a practical view of how Oracle Linux can support RHEL compatible workloads while giving infrastructure teams additional options for security updates, operations, automation, and enterprise support.
North America Session Registration - July 28 at 1 p.m. EST / 10 a.m. PST
EMEA Session Registration - July 29 at 11 a.m. CEST |
|
|
|
|
|
Product Highlights |
What’s new for NFS in Unbreakable Enterprise Kernel Release 7? |
Unbreakable Enterprise Kernel Release 7 introduces new NFS enhancements for Oracle Linux environments. Based on the upstream Linux 5.15 longterm stable kernel, UEK7 improves NFS client and server capabilities with better NFS re-exporting, NFSv4.2 support for user namespace extended attributes, new write behavior options, cached access when a server is unavailable, expanded connection sharing, performance improvements, and enhanced diagnostics. Read more.
|
|
|
|
Asynchronous vCPU Unplug in libvirt |
Asynchronous vCPU unplug in libvirt improves how running virtual machines handle live CPU downscaling. The enhancement lets libvirt return once QEMU accepts a vCPU removal request, then report completion through a dedicated event.
This gives orchestration platforms more control over timeouts, retries, alerts, and reconciliation, helping infrastructure teams manage VM resources more flexibly and reliably. Read more.
|
|
|
|
Enhanced Authentication Support Now Available for Oracle Virtualization |
Enhanced authentication support is now available for Oracle Virtualization with Keycloak integration in Oracle Linux Virtualization Manager. Keycloak is now the default authentication module, helping administrators centralize identity management, enable single sign-on, support multifactor authentication, and integrate with LDAP or Active Directory.
This update strengthens security, simplifies user access management, and aligns Oracle Virtualization with modern IAM and zero-trust practices. Read more.
|
|
|
|
Oracle Cloud Migrations adds support for Oracle Virtualization |
Oracle Cloud Migrations now supports migrations to Oracle Virtualization, giving customers a simpler path to move VMware virtual machines into on-premises Oracle Virtualization environments.
The new capability supports VM discovery, Oracle Virtualization resource discovery, live migration, incremental replication, and on-premises to on-premises replication without storing data in the cloud, helping organizations modernize virtualization platforms while meeting data residency requirements. Read more.
|
|
|
Developers Corner |
Why does my new XFS filesystem use so many blocks? |
Newly created XFS filesystems can appear to use disk space before any files are added. This article explains how XFS reserves blocks for metadata, allocation groups, internal logs, and optional features such as free inode, reflink, and reverse mapping support.
It also shows how these reservations support reliability, performance, repair, and future filesystem operations, while giving administrators more context when reviewing df output. Read more.
|
|
|
|
Debugging Windows VirtIO: Live Logs, Crash Dumps, and Hangs |
Debugging Windows VirtIO issues in KVM/QEMU environments requires the right mix of guest and host-side diagnostics. This article explains how to collect live Windows system and VirtIO driver logs, analyze crash dumps with WinDbg, and use host-side memory capture when a guest hangs or fails to generate a dump.
These techniques help administrators troubleshoot runtime failures, crashes, and hangs more effectively across Windows virtual machines. Read more.
|
|
|
|
Linux Memory Compaction: Internals and Debugging |
This two-part technical series explores Linux memory compaction, explaining how the kernel reduces external memory fragmentation and how administrators can diagnose compaction behavior.
The articles cover direct, background, proactive, and manual compaction, then show how tracepoints, proc, and debugfs data can help identify failed compaction attempts, scanner inefficiencies, migration issues, and kcompactd activity. Together, they provide practical insight for troubleshooting memory fragmentation and high-order allocation challenges in Linux environments. Read part 1 and part 2.
|
|
|
|
Multipathing with Native NVMe Devices: What It is and Why It Matters |
Native NVMe multipathing can help modern Linux storage environments improve availability, failover, and operational efficiency.
This article explains how NVMe-aware path management supports high availability, lower complexity, and better alignment with NVMe over Fabrics deployments. It also highlights path selection policies, ANA path awareness, and practical considerations for teams building resilient, high-performance storage platforms. Read more.
|
|
|
|
A Novice’s Guide to Crafting a Linux Firewall with XDP and a Comparison with Peer Technologies: TC and Cgroup SKB |
Building a high-performance Linux firewall with eBPF and XDP can help improve packet filtering speed, security, and scalability. This practical guide explains how XDP can inspect and drop unwanted traffic at the driver level before packets reach the kernel.
It also compares XDP with TC and cgroup SKB approaches, showing how each option can support different packet filtering needs in Linux environments. Read more.
|
|
|
|
Inside Linux Packet Filtering: Netfilter and nftables |
Linux packet filtering with Netfilter and nftables gives administrators powerful tools for managing network traffic. This article explains how Netfilter provides kernel-level packet processing hooks, while nftables organizes firewall logic through tables, chains, rules, sets, and expressions.
It also includes practical command-line and C programming examples to help administrators understand how Linux firewalls process, filter, translate, and manage network traffic. Read more.
|
|
|
New Oracle Linux Webinar Series |
|
Get expert insights with this webinar series. Learn how Oracle Linux delivers the tools needed to help deploy, optimize, and manage apps on-premises, in the cloud, and at the edge. Security, automation, virtualization, high availability, cloud native tools, and Kubernetes are included with one Premier Support subscription.
North America Sessions Registration
EMEA Sessions Registration
|
|
|
Watch our Oracle Virtualization Webinar Series |
|
|
Explore our on-demand webinars to get the latest news and insights. Learn how Oracle Virtualization provides an efficient, cost-saving alternative for organizations striving to optimize technology investments and streamline operations.
|
|
|
|
|
|
