Overview

Oracle Linux is a robust, enterprise-grade Linux distribution developed and maintained by Oracle Corporation. Built on the Red Hat Enterprise Linux (RHEL) foundation, it ensures full compatibility with RHEL binaries, providing a dependable and high-performance environment for critical applications.

Specifically engineered for open cloud infrastructure and optimized for diverse enterprise workloads, Oracle Linux supports both traditional and modern SaaS/PaaS deployments. A core feature is the Unbreakable Enterprise Kernel (UEK), offering enhanced scalability, security, and modern hardware support.

It includes advanced security features like SELinux (Mandatory Access Control) and offers full support with patches, updates, and technical assistance.

Key Highlights of Oracle Linux 9.5

1. Core Platform Updates

• Based on UEK Release 7 Update 3 and Red Hat Compatible Kernel (RHCK)
• 100% application binary compatibility with RHEL
• Supports 64-bit Intel/AMD and Arm platforms

2. Language and Runtime Upgrades

• Java: Default version is OpenJDK 17
• .NET 9.0: Supports C# 13, F# 9, ML.NET for machine learning, enhanced ASP.NET Core

3. Development Tools

• GCC Toolset 14 (GCC 14.2.1, binutils, valgrind, dwz)
• Rust Toolset 1.79
• Go Toolset 1.22.5
• GDB 14.2 for advanced debugging

4. Dynamic Languages & Web Technologies

• Improved Python interpreter performance
• Node.js 22 with latest features
• Apache HTTPD 2.4.62 for updated web hosting

5. Security Enhancements

• OpenSSL 3.2.2 – FIPS 140-3 compliant
• OpenSSH 8.7p1-43 – Configurable default SSH key sizes
• SCAP Security Guide 0.1.74 – New STIG profiles, Australian compliance

6. Management & Containers

• Cockpit Web Console v323 with new File Manager
• Podman 5.2 – Improved container standards and usability