Ubuntu Server 24.04 LTS

Basic Information

• Model: Ubuntu Server
• Version: 24.04 LTS (Noble Numbat)
• Release Date: April 25, 2024.
• Minimum Requirements:
  • CPU: 1 GHz or better.
  • RAM: 1.5 GB (for ISO installs), 1 GB (for cloud images). A suggested minimum is 3 GB or more.
  • Disk: 5 GB (for ISO installs), 4 GB (for cloud images). A suggested minimum is 25 GB or more.
• Supported Architectures: amd64 (Intel or AMD 64-bit), arm64 (64-bit ARM), ppc64el (POWER8 and POWER9), s390x (IBM Z and LinuxONE), armhf (32-bit Arm), riscv64 (64-bit RISC-V).
• Latest Stable Version: 24.04 LTS.
• End of Standard Support Date: April 2029 (5 years from release).
• End of Life Date:
  • With Ubuntu Pro: April 2034 (10 years from release).
  • With Ubuntu Pro + Legacy add-on: April 2039 (15 years from release).
• Auto-update Expiration Date: Security updates are provided for 5 years for the main repository. This can be extended to 10 years with Ubuntu Pro and up to 15 years with the Legacy add-on.
• License Type: Free and open-source software.
• Deployment Model: Physical servers, virtual machines, containers, and cloud environments (AWS, Azure, Google Cloud).

Technical Requirements

• RAM: Minimum 1.5 GB for ISO installs, 1 GB for cloud images. Recommended 3 GB or more for broader scenarios.
• Processor: 1 GHz or better. Supports 64-bit Intel/AMD (amd64), 64-bit Arm (arm64), 32-bit Arm (armhf), 64-bit Power (ppc64el), 64-bit RISC-V (riscv64), and 64-bit Mainframe (s390x).
• Storage: Minimum 5 GB for ISO installs, 4 GB for cloud images. Recommended 25 GB or more for practical use.
• Display: Not typically a primary concern for server installations, which often rely on command-line interfaces. Console access is standard.
• Ports: USB port or DVD drive for installation media. Network connectivity is recommended for package updates during installation and ongoing operations.
• Operating System: Ubuntu Server 24.04 LTS is the operating system itself, designed to run on a wide range of compatible hardware.

Analysis of Technical Requirements

Ubuntu Server 24.04 LTS maintains a flexible and relatively low baseline for hardware requirements, making it suitable for deployment across diverse environments, from small virtual machines to enterprise-scale computing. The minimum specifications are quite modest, allowing for efficient use of resources, especially in virtualized or cloud settings. However, recommended specifications are significantly higher, reflecting the practical needs of most server workloads which typically involve more complex setups and software. The broad support for various 64-bit architectures, including AMD64, ARM64, Power, RISC-V, and IBM Z, highlights its versatility and adaptability to modern data center and edge computing infrastructures. The absence of a default graphical user interface (GUI) further contributes to its minimal resource footprint, optimizing it for server-specific tasks.

Support & Compatibility

• Latest Version: Ubuntu Server 24.04 LTS.
• OS Support: Supports a wide array of 64-bit architectures including amd64, arm64, ppc64el, s390x, armhf, and riscv64. It is optimized for cloud platforms like AWS, Azure, and Google Cloud, and supports virtualization technologies.
• End of Support Date:
  • Standard Security Maintenance: April 2029 (5 years).
  • Expanded Security Maintenance (with Ubuntu Pro): April 2034 (10 years).
  • Legacy Add-on (with Ubuntu Pro): April 2039 (15 years).
• Localization: Available in various languages, with translation updates ensuring warnings and notifications are appropriately localized.
• Available Drivers: Includes the Linux 6.8 kernel, which brings many new device drivers, fixes, and optimizations, enhancing hardware support.

Analysis of Overall Support & Compatibility Status

Ubuntu Server 24.04 LTS offers robust and extensive support, particularly due to its Long Term Support (LTS) designation. The standard five years of free security and maintenance updates provide a stable foundation for enterprise deployments. The option to extend support up to 15 years with Ubuntu Pro and the Legacy add-on is a significant advantage for long-term infrastructure planning, offering unparalleled longevity in the operating system market. Its broad compatibility with various hardware architectures and seamless integration with major cloud providers underscore its flexibility and suitability for diverse deployment scenarios. The inclusion of the latest Linux kernel 6.8 ensures up-to-date hardware support and performance enhancements. Localization efforts ensure a wider global reach and user accessibility.

Security Status

• Security Features: Enhanced identity management, stricter access controls, improved system monitoring, automatic security updates, advanced encryption techniques, unprivileged user namespace restrictions, binary hardening (FORTIFY_SOURCE=3), AppArmor 4, disabling old TLS versions, and upstream kernel security features. Hardware-based security features like Intel's Indirect Branch Tracking (IBT) and Software Guard Extensions 2 (SGX2), and AMD's Secure Nested Paging (SEV-SNP) are supported.
• Known Vulnerabilities: Ubuntu 24.04 LTS addresses known vulnerabilities, such as those related to unprivileged user namespaces, and provides fixes for the Year 2038 bug on armhf architecture.
• Blacklist Status: Not applicable for the operating system itself; however, security updates continuously address vulnerabilities in included packages.
• Certifications: OpenJDK 17 and 21 are TCK certified. FIPS-compliant OpenJDK 11 package is available for Ubuntu Pro users.
• Encryption Support: Enhanced encryption and compression tasks are offloaded via Intel QAT feature. Supports LUKS disk encryption with cryptsetup 2.7.0, offering features like removing encryption from a volume and improved offline re-encryption.
• Authentication Methods: Enhanced identity management and stricter access controls are key security features.
• General Recommendations: Regular application of security updates, leveraging AppArmor for access control, and utilizing hardware-based security features where available.

Analysis on the Overall Security Rating

Ubuntu Server 24.04 LTS demonstrates a strong commitment to security, incorporating numerous enhancements at various levels. The focus on identity management, access controls, and continuous monitoring, coupled with automatic security updates, positions it as a reliable choice for enterprises. Key improvements like unprivileged user namespace restrictions, binary hardening, and the updated AppArmor 4 significantly reduce the attack surface and bolster protection against exploits. Support for modern hardware-based security features from Intel and AMD further strengthens its defense against sophisticated attacks. The extended security maintenance options through Ubuntu Pro provide long-term protection, crucial for critical infrastructure. Overall, Ubuntu Server 24.04 LTS offers a high overall security rating, making it a robust platform for secure deployments.

Performance & Benchmarks

• Benchmark Scores: Benchmarks indicate that Ubuntu 24.04 LTS, with the Linux 6.8 kernel and GCC 13.2 compiler, shows competitive performance on modern server hardware, including Intel Xeon Sapphire Rapids/Emerald Rapids and AMD EPYC Genoa/Bergamo/Siena processors.
• Real-world Performance Metrics: Includes the Linux 6.8 kernel with improved syscall performance, nested KVM support on ppc64el, and access to the bcachefs filesystem. Low-latency kernel features are merged into the default kernel, reducing task scheduling delays. Frame pointers are enabled by default on all 64-bit architectures for better CPU profiling.
• Power Consumption: Ubuntu 24.04 LTS includes power management notifications to comply with EU regulations, warning users about increased power consumption if automatic suspend is disabled. Some user reports indicate higher idle power draw compared to previous versions, though this can be influenced by kernel versions and specific hardware configurations. Tools like GNOME PowerTracker can monitor power usage.
• Carbon Footprint: Efforts to reduce power consumption through features like power management notifications contribute to a lower carbon footprint.
• Comparison with Similar Assets: While specific comparative benchmarks against direct competitors like RHEL or Debian are not extensively detailed in the provided data, general user feedback and some benchmarks suggest that Ubuntu Server 24.04 LTS offers strong performance, often feeling faster than its predecessor, Ubuntu 22.04. However, some community benchmarks suggest that in minimal server configurations, other distributions might exhibit lower RAM usage.

Analysis of the Overall Performance Status

Ubuntu Server 24.04 LTS focuses significantly on performance engineering. The integration of the Linux 6.8 kernel, along with Canonical's low-latency tweaks and default frame pointers, aims to deliver a highly optimized and efficient operating system. This translates to improved hardware support, system stability, and overall efficiency, particularly beneficial for high-performance workloads, cloud computing, and virtualization. While some users report increased power consumption in specific scenarios, the system includes features to help manage energy usage. The continuous focus on performance optimizations and updated toolchains for developers (Python 3.12, Ruby 3.2, PHP 8.3, Go 1.22, .NET 8, OpenJDK 21, Rust 1.75) ensures it remains a competitive and capable platform for modern server applications.

User Reviews & Feedback

User feedback highlights Ubuntu Server 24.04 LTS as a powerful, secure, and versatile operating system. Strengths often cited include its robust foundation, significant improvements in performance, security, and compatibility, making it a top choice for developers, enterprises, and cloud environments. The updated Linux kernel enhances hardware support and efficiency, ideal for high-performance workloads, cloud computing, virtualization, edge computing, and IoT applications. Enhanced containerization support with Docker, Kubernetes, and Podman, along with the latest developer tools, are well-received. Optimizations for AI/ML, including improved GPU acceleration and compatibility with leading frameworks, are also noted as strengths. The extended support lifecycle (up to 15 years with Pro and Legacy add-ons) is a major draw for long-term deployments. Some users have noted that it feels faster than its predecessor. Weaknesses sometimes mentioned include concerns about increased power consumption compared to previous versions or other minimal distributions in certain idle scenarios. Recommended use cases span web hosting, database servers, full-stack app development, cloud computing, virtualization, AI/ML, and IoT.

Summary

Canonical Ubuntu Server 24.04 LTS, codenamed "Noble Numbat," is a robust and highly capable operating system designed for modern server environments. Released on April 25, 2024, it offers a compelling blend of performance, security, and extensive support. Key strengths include its flexible hardware requirements, supporting a wide range of architectures from AMD64 to RISC-V, and its deep integration with major cloud platforms. The standard five years of free security and maintenance updates, extendable up to an impressive 15 years with Ubuntu Pro and the Legacy add-on, provide exceptional longevity and peace of mind for enterprise users. Security is a paramount focus, with features like unprivileged user namespace restrictions, binary hardening, AppArmor 4, and support for hardware-based security technologies. Performance is boosted by the Linux 6.8 kernel, low-latency optimizations, and default frame pointers, making it suitable for demanding workloads. Developers benefit from updated toolchains and strong support for containerization and AI/ML frameworks. While some users have reported concerns regarding power consumption in specific scenarios, the overall feedback highlights its stability, versatility, and suitability for critical server roles. Ubuntu Server 24.04 LTS is highly recommended for organizations seeking a secure, high-performance, and long-supported Linux distribution for their server infrastructure, cloud deployments, and development environments.

Information provided is based on publicly available data and may vary depending on specific device configurations. For up-to-date information, please consult official manufacturer resources.