Ubuntu Server in 2026: Why enterprises choose stability and scalability

In 2026, Ubuntu Server remains one of the most popular operating systems for enterprises, offering long-term support, advanced infrastructure management tools, and optimization for hybrid clouds and AI workloads. Why are more and more companies choosing this Linux distribution?

Ubuntu Server 24.04 LTS – stability and long-term support

In 2026, Ubuntu Server 24.04 LTS (Noble Numbat), released in April 2024, remains the latest stable version with long-term support (LTS). Canonical provides security updates until April 2029, and through the Ubuntu Pro subscription – until April 2034. This makes the system attractive to enterprises that need predictability and the minimization of risks associated with outdated software.

Compared to competitors such as RHEL or SUSE Linux Enterprise, Ubuntu offers a longer support period (10 years with ESM vs. 8 years for RHEL) at lower licensing costs. For companies that must meet rigorous compliance requirements (e.g., FIPS 140-3 or Common Criteria), Ubuntu Server 24.04 LTS is certified and ready for deployment in regulated environments, such as the financial sector or public administration.

Key improvements in Ubuntu Server 24.04 LTS

Version 24.04 introduced a number of features that directly support scalability and stability in enterprise environments:

• Hybrid cloud optimization: Integration with openstack 2024.1 (Caracal) and cluster management tools such as MicroK8s (version 1.28+) and Charmed Kubernetes. This facilitates the deployment and scaling of applications in mixed environments (on-premise + public cloud).
• Support for AI/ML workloads: Ubuntu Server 24.04 LTS is optimized for CUDA 12.x libraries and NVIDIA AI Enterprise, allowing for the efficient execution of machine learning tasks. This is significant for companies developing their own AI models or using ready-made solutions, such as Ubuntu 26.04 LTS as an operating system for AI.
• New automation tools: Expansion of Ubuntu Landscape – the server management platform – with real-time monitoring and auto-scaling features. This allows for the reduction of operational costs and increased efficiency of IT teams.
• Security enhancements: Built-in support for TPM 2.0 and Secure Boot in the Linux 6.5+ kernel, which improves protection against firmware attacks. Additionally, Canonical has introduced automatic vulnerability scanning as part of the Ubuntu Security Guide (USG).
• Network performance: Support for ebpf and XDP (Express Data Path) accelerates network packet processing, which is crucial for EDGE and telecommunications servers.

It is worth noting that although Ubuntu Server 24.10 (Oracular Oriole) was released in October 2024, it is not an LTS version and is not recommended for enterprise environments requiring long-term support. Canonical focuses on the stability of LTS versions, and new features from interim releases make their way into subsequent LTS releases.

Security first – how Canonical protects Ubuntu Server in 2026

In an era of a growing number of cyberattacks, including server ransomware, security has become a priority for companies. Canonical has introduced several key mechanisms that strengthen the protection of Ubuntu Server:

Extended Security Maintenance (ESM) and Ubuntu Pro

For Ubuntu 24.04 LTS, ESM is available until April 2034, meaning companies can count on security patches for a decade from the system's release. As part of the Ubuntu Pro subscription (starting from ~25 USD/year/server), enterprises receive:

• Livepatch – kernel updates without the need to restart the server, which minimizes downtime.
• Access to compliance tools such as FIPS 140-3 and CIS Benchmark.
• Integration with Landscape and Ansible for management automation.

Compared to the free version of Ubuntu Server, Ubuntu Pro offers additional features that are essential in enterprise environments. For example, Livepatch is particularly useful for production servers, where every restart carries the risk of downtime.

New threat protection mechanisms

Ubuntu Server 24.04 LTS introduces several innovations in the field of security:

• Confidential Computing: Support for Intel SGX and AMD SEV enables real-time memory encryption. This is crucial for companies processing sensitive data in public clouds, where physical server isolation is not always possible.
• Automatic vulnerability scanning: Integration with openscap and Ubuntu Security Guide (USG) allows for continuous monitoring and compliance audits against best practices.
• Changes in update policy: Canonical has introduced automatic security updates for critical packages (e.g., system libraries) as part of Ubuntu Pro. For LTS versions without Ubuntu Pro, updates are released every 2 weeks for critical vulnerabilities.

In the context of growing threats, such as software supply chain attacks, Canonical regularly publishes Ubuntu Security Notices, informing users about new vulnerabilities and available patches.

Certificates and regulatory compliance

Ubuntu 24.04 LTS holds a number of certificates that are required in regulated environments:

• FIPS 140-3: Certification for cryptographic modules, essential in the financial and public sectors.
• Common Criteria EAL2: Certificate for the public sector, confirming compliance with international security standards.
• CIS Benchmark: A set of system configuration best practices that helps in meeting compliance requirements.

For companies operating in the defense or government sectors, Ubuntu may not offer all the certifications available for RHEL (e.g., DISA STIG), but for the majority of enterprises, it is sufficient.

Integration with enterprise technologies – clouds, containerization, and more

Ubuntu Server in 2026 integrates perfectly with the most popular enterprise technologies, making it a universal platform for modern IT infrastructures.

Public and hybrid clouds

Ubuntu is the default operating system on many cloud platforms:

• AWS: Official AMI images for Ubuntu 24.04 LTS are available in the AWS Marketplace.
• Azure: Ubuntu is one of the most popular systems in Azure, with optimization for performance and cost.
• Google Cloud: Support for Ubuntu Pro, which allows for the use of long-term security support.
• openstack: Ubuntu is the most frequently chosen distribution for openstack (source: openstack User Survey 2023).

Canonical also offers tools for managing hybrid clouds:

• Juju: An application orchestration tool that facilitates the deployment and scaling of services in various environments.
• MAAS (Metal as a Service): Allows for the automatic deployment of Ubuntu Server on physical servers, which accelerates the provisioning process.

Containerization and Kubernetes

Ubuntu Server is optimized for containerization and Kubernetes:

• MicroK8s: A lightweight Kubernetes distribution from Canonical, ideal for development and production environments. In 2026, version 1.28+ is available, which offers:
  • Automatic updates.
  • Integration with Istio and Linkerd (service mesh).
  • Support for GPU (NVIDIA, AMD).
• Charmed Kubernetes: An enterprise solution for Kubernetes, integrated with Juju and Landscape. It facilitates the management of Kubernetes clusters in large environments.
• Docker and LXD: Ubuntu Server supports both application containers (Docker) and system containers (LXD), which provides flexibility in choosing technology.

For companies that want to migrate from other systems, Canonical offers tools to facilitate this process:

• Migration from RHEL: The c2u tool also works in this case, although the process may require additional adjustments.
• Migration from Debian: Ubuntu Server is based on Debian, so migration is relatively simple and does not require package conversion.

Virtualization

Ubuntu Server is a popular platform for virtualization:

• KVM/Libvirt: Ubuntu supports virtualization using KVM, which allows for running virtual machines with high performance.
• LXD: A system container management tool that offers better isolation than Docker, while maintaining low resource consumption.

Ubuntu Server use cases in enterprises – case studies

In 2026, Ubuntu Server is used by many large companies and institutions around the world. Here are a few examples that show how the system performs in practice:

Deutsche Telekom – openstack and Open Telekom Cloud

Deutsche Telekom uses Ubuntu Server to manage openstack in its Open Telekom Cloud. Thanks to integration with Canonical tools, such as Juju and Landscape, the company can effectively scale its infrastructure and offer cloud services to business clients.

"Ubuntu Server provides us with the stability and flexibility we need to operate our cloud. Thanks to Canonical's long-term support, we can focus on service development rather than system maintenance."

– Deutsche Telekom representative

Source: Deutsche Telekom Case Study

AT&T – 5G and EDGE computing

AT&T uses Ubuntu Server in its 5G network and in EDGE computing solutions. The system is optimized for low latency and high performance, which is crucial for next-generation telecommunications infrastructure.

"Ubuntu Server allows us to quickly deploy and scale 5G services. Thanks to support for containerization and Kubernetes, we can effectively manage our EDGE infrastructure."

– AT&T representative

Source: AT&T Case Study

Bloomberg – financial data analysis and AI

Bloomberg uses Ubuntu Server for financial data analysis and workloads related to AI and machine learning. Thanks to support for NVIDIA AI Enterprise and CUDA libraries, the company can effectively process large datasets and develop its own predictive models.

"Ubuntu Server provides us with the reliability and performance we need to operate our analytical systems. Thanks to Canonical's long-term support, we can focus on innovation rather than infrastructure maintenance."

– Bloomberg representative

Source: Bloomberg Case Study

Walmart – Kubernetes and scalability

Walmart uses Ubuntu Server to manage Kubernetes in its data centers. Thanks to tools such as MicroK8s and Charmed Kubernetes, the company can effectively scale its applications and services, serving millions of customers around the world.

"Ubuntu Server allows us to quickly deploy and scale our applications. Thanks to integration with Kubernetes, we can effectively manage our infrastructure and ensure service reliability."

– Walmart representative

Source: Walmart Case Study

Ubuntu Server vs. competition – how does it compare to RHEL, SUSE, and Debian?

In 2026, Ubuntu Server competes with several other Linux distributions that are popular in enterprise environments. Here is a comparison of key aspects:

Advantages of Ubuntu Server

Ubuntu Server stands out from the competition in several key aspects:

• Longer LTS support: 10 years with ESM (vs. 8 years for RHEL) at lower costs.
• Better public cloud integration: Ubuntu is the default system on AWS and GCP, which facilitates deployment and management.
• Support for EDGE computing: Ubuntu Core and MicroK8s are more mature than competing solutions.
• Community and documentation: Ubuntu has the largest community and the best-documented solutions, which makes troubleshooting easier.
• Licensing flexibility: Ubuntu Pro offers more features at a lower price than RHEL or SUSE.

Weaknesses of Ubuntu Server

Despite numerous advantages, Ubuntu Server also has some limitations:

• Enterprise application support: Some applications, such as SAP HANA, are better optimized for RHEL or SUSE.
• Defense sector certificates: Ubuntu does not hold some certificates required in the defense sector (e.g., DISA STIG), which are available for RHEL.
• Community dependency: Although Ubuntu has a large community, some solutions (e.g., for specific industries) may require additional adjustments.

Costs and licensing models of Ubuntu Server in 2026

Ubuntu Server offers several licensing models that meet different enterprise needs:

Ubuntu Server (free version)

• Free access to ISO images and repositories.
• 5-year security support (until 2029 for 24.04 LTS).
• No access to ESM, Livepatch, and enterprise tools (e.g., Landscape).

Ubuntu Pro

Ubuntu Pro is an extended subscription for enterprises that offers:

• 10-year security support (until 2034 for 24.04 LTS).
• Livepatch – kernel updates without server restart.
• Access to compliance tools (FIPS 140-3, CIS Benchmark).
• Integration with Landscape and Ansible.

Ubuntu Pro Pricing (2026):

• 25 USD/year/server (up to 5 physical machines or 50 virtual machines).
• 500 USD/year/server (for larger deployments, with 24/7 support).
• Free for developers (up to 5 machines).

Cost comparison with competition

• RHEL: From ~349 USD/year/server (without support for EDGE computing).
• SUSE Linux Enterprise: From ~399 USD/year/server.
• Oracle Linux: Free, but support is paid (from ~499 USD/year/server).

Ubuntu Pro is a cheaper alternative to RHEL or SUSE, while offering longer support and more features. For companies that need compliance certificates (e.g., FIPS) and automation tools, Ubuntu Pro is an attractive choice.

Ubuntu Server development plans for 2026–2028

Canonical is constantly developing Ubuntu Server, introducing new features and optimizations. Here is what we can expect in the coming years:

Ubuntu 26.04 LTS (Noble+1)

Planned release: April 2026. Expected features:

• Better RISC-V support: Canonical is developing support for the open-source RISC-V architecture, which could revolutionize the processor market.
• Expanded EDGE computing tools: Integration with Ubuntu Core and MicroK8s for better management of edge devices.
• AI/ML improvements: Support for new libraries and frameworks, such as pytorch 2.0+ and tensorflow 3.0.
• New Ubuntu Pro features: Expansion of regulatory compliance tools (e.g., SOC 2, HIPAA).

Ubuntu Core 26

Planned release: 2026. Ubuntu Core is a system version designed for IoT and EDGE computing devices. Expected features:

• Better Kubernetes integration (MicroK8s).
• Secure OTA (Over-The-Air) updates for embedded devices.
• Lower resource consumption, which is crucial for devices with limited computing power.

Long-term development directions

Canonical announces several key directions for the development of Ubuntu Server:

• Convergence with Ubuntu Desktop: Canonical aims to unify tools for managing servers and workstations (e.g., Landscape).
• Greater support for hybrid clouds: Integration with VMWare and Nutanix.
• Development of automation tools: Expansion of Juju and Ansible Collections for Ubuntu.

Summary – why Ubuntu Server in 2026?

Ubuntu Server in 2026 remains one of the most attractive choices for enterprises that need stability, scalability, and security. Here are the key reasons why companies choose this distribution:

• Long-term support: 10 years with ESM (until 2034 for 24.04 LTS) ensures predictability and minimizes risks associated with outdated software.
• Optimization for hybrid clouds and AI: Integration with OpenStack, Kubernetes, and CUDA libraries makes Ubuntu Server ready for the challenges of modern IT infrastructures.
• Security and compliance: FIPS 140-3, Common Criteria certificates, and automatic vulnerability scanning tools provide protection against cyber threats.
• Low costs and licensing flexibility: Ubuntu Pro offers more features at a lower price than competing solutions such as RHEL or SUSE.
• Community and documentation: Ubuntu has the largest community and the best-documented solutions, which makes deployment and management easier.

For companies looking for a reliable platform for their servers, Ubuntu Server is a proven and future-proof choice. Regardless of whether it concerns public clouds, EDGE computing, AI, or traditional enterprise environments, Ubuntu offers tools and support that allow for effective IT infrastructure management.

If you are planning to deploy a new operating system in your company, it is worth considering Ubuntu Server – especially in the context of long-term support and growing requirements regarding scalability and security.

Sources

• https://ubuntu.com//blog/ubuntu-server-a-platform-made-for-enterprise-scale
• https://wiki.ubuntu.com/Releases
• https://ubuntu.com/pro
• https://ubuntu.com/core
• https://ubuntu.com/security/esm
• https://ubuntu.com/security/notices
• https://ubuntu.com/security/certifications
• https://www.openstack.org/user-survey/2023/
• https://microk8s.io/