--- title: "Enterprise Open Source and Linux\n | Ubuntu" description: Ubuntu is the modern, open source operating system on Linux for the enterprise server, desktop, cloud, and IoT. url: https://ubuntu.com/?format=md keywords: index, follow --- # A CTO's guide to real-time Linux ## Understanding real-time systems, their use cases and inner workings. --- [Download now](https://ubuntu.com/download) # Ubuntu 26.04 LTS Resolute Raccoon is available for download Discover the latest and greatest features in our most recent long term supported release. --- [Download for free](https://ubuntu.com/download) [Read the deep dive ›](https://ubuntu.com/blog/canonical-releases-ubuntu-26-04-lts-resolute-raccoon) [The Standard Support period for Ubuntu 20.04 LTS has ended. Discover your options.](https://ubuntu.com/blog/ubuntu-20-04-lts-end-of-life-standard-support-is-coming-to-an-end-heres-how-to-prepare) Take action today --- ## Modern enterprise open source Security, support, and managed services from the publisher of Ubuntu. [Get Ubuntu Pro](https://ubuntu.com/pro) [Access a 30-day free trial ›](https://ubuntu.com/pro/free-trial) --- --- ## Energize your engineers Better security. More packages. Newer tools. All your open source, from cloud to edge. Loved by developers and trusted by enterprises. Ubuntu is the first pick for organizations to support their software infrastructure and the OS chosen by 66% of experienced developers. (HackerEarth, Developer Survey, 2020) * Authentically open source * Secure by design * A release cadence you can depend on * Stability through long term support That's why Ubuntu supports the fastest, biggest, and most successful digital operations. --- [Download our guide to adopting Linux securely in your enterprise ›](https://ubuntu.com/engage/adopting-secure-enterprise-linux-desktop) [Build your AI models on Ubuntu ›](https://ubuntu.com/ai) --- ## Open source security [Ubuntu Pro](https://ubuntu.com/pro) is more than Linux. [Security and compliance](https://ubuntu.com/security/security-standards) for the full stack. Secure your open source apps. Patch the full stack, from kernel to library and applications, for CVE compliance. Governments and auditors certify Ubuntu for FedRAMP, FISMA, and HITECH. * Up to 15 years of security maintenance * [Kernel Livepatch](https://ubuntu.com/livepatch) for 24/7 patching with no downtime * [Expanded security](https://ubuntu.com/esm) for infrastructure and applications * [FIPS 140-2](https://ubuntu.com/security/security-standards#fips) cryptographic modules certified by NIST * [Cyber Resilience Act (CRA)](https://canonical.com/solutions/open-source-security/cyber-resilience-act): Meet your CRA requirements * [DISA/STIG](https://ubuntu.com/security/security-standards#stig) hardening for DoD compliance * [CIS profiles](https://ubuntu.com/security/security-standards#cis) for cyber defence and malware prevention --- [Discover Ubuntu's security features](https://ubuntu.com/security) --- ## Significant enterprise savings Sustainable open source at the lowest cost, everywhere. Rethink what's possible with Linux and open source. Companies engage Canonical to drive down open source operating costs. Automate everything: multi-cloud operations, bare metal provisioning, edge clusters, and IoT. * No mandatory subscriptions for Ubuntu * [Security](https://ubuntu.com/security), [support](https://ubuntu.com/support), and fully managed [infra](https://canonical.com/openstack/support) and [apps](https://ubuntu.com/managed-infrastructure) * [Public cloud](https://ubuntu.com/cloud/public-cloud), [data center](https://ubuntu.com/download/server), [edge cluster](https://canonical.com/microk8s), and [appliances](https://ubuntu.com/appliance) * [Long term maintenance commitment](https://ubuntu.com/about/release-cycle) * Transparent pricing for enterprise and ISV * [Switch from VMware to OpenStack](https://ubuntu.com/engage/vmware-to-charmed-openstack) --- [Let's talk open source](https://ubuntu.com/contact-us) --- ## Public cloud optimization Most public cloud instances are Ubuntu, for performance and security. * Optimized kernels for AWS, Azure, Google, Oracle, IBM * [FIPS](https://ubuntu.com/security/security-standards#fips), [CIS hardening](https://ubuntu.com/security/security-standards#cis), and CVE fixes with [Ubuntu Pro](https://ubuntu.com/pro) * Minimize rolling reboots with [Kernel Livepatch](https://ubuntu.com/livepatch) * Network & storage performance optimization * GPU enablement for machines and containers * Pay-as-you-go billing, no more licenses * [Enterprise support](https://ubuntu.com/support) and [Expanded Security Maintenance](https://ubuntu.com/esm) * Cloud workload migration service * Containerization and cloud-native migration service * Fully managed application service --- [Learn more](https://ubuntu.com/cloud/public-cloud) [Contact us ›](https://ubuntu.com/cloud/public-cloud#get-in-touch) --- ## Multi-cloud Kubernetes and containers [AKS.](https://azure.microsoft.com/en-us/services/kubernetes-service/ "external link - azure.microsoft.com/en-us/services/kubernetes-service") [EKS.](https://cloud-images.ubuntu.com/docs/aws/eks/ "external link - cloud-images.ubuntu.com/docs/aws/eks") [GKE.](https://cloud.google.com/kubernetes-engine "external link - cloud.google.com/kubernetes-engine") Kubeadm. [MicroK8s.](https://canonical.com/microk8s) [Charmed Kubernetes.](https://ubuntu.com/kubernetes/features) All on Ubuntu. * Support for all public cloud Kubernetes * On-prem MicroK8s, Charmed K8s, kubeadm * [Fully managed Kubernetes](https://ubuntu.com/kubernetes/managed) on-prem or public cloud * [Model-driven Kubernetes Operators](https://canonical.com/juju/docs) * Full stack support for [apps](https://ubuntu.com/managed-infrastructure), [Kubernetes](https://ubuntu.com/pricing/infra), and [OS](https://ubuntu.com/support) * [K8s architecture and deployment consulting](https://canonical.com/jaas/canonical-kubernetes) * Cloud-native workload migration services * GPU enablement for [AI/ML workloads](https://canonical.com/mlops/kubeflow) * [Bare metal](https://canonical.com/maas), [OpenStack](https://ubuntu.com/openstack), and VMware * Pluggable [CNIs, CSIs, CRIs, and third-party tools](https://ubuntu.com/kubernetes/features) --- [Learn more](https://ubuntu.com/kubernetes) [Contact us ›](https://ubuntu.com/kubernetes/contact-us) --- ## Carrier–grade private cloud Operate [private cloud the smart way](https://ubuntu.com/openstack) – supported or [fully managed](https://canonical.com/openstack/support). * 15-year [security maintenance](https://ubuntu.com/esm) and [support](https://ubuntu.com/support) * [Hyperconverged](https://ubuntu.com/openstack/features) or segregated architecture * [Encryption at rest for GDPR, HIPAA, FedRAMP](https://ubuntu.com/security) * Wide choice of SDN and storage * [Upgrades and day-2 operations, automated](https://ubuntu.com/engage/charmed-openstack-adoption-whitepaper) * Integrated logging, monitoring, and alerting * Platform and infrastructure hardening * High availability * [Carrier-grade NFVI](https://canonical.com/solutions/telco) --- [Learn more](https://ubuntu.com/openstack) [Contact us ›](https://ubuntu.com/openstack/contact-us) --- ## Ultra secure things [Ubuntu Core](https://ubuntu.com/core) with transactional updates for a better embedded Linux. * OTA compressed updates for apps, kernel, and OS * Automatic rollback and data snapshots * [Managed private app stores](https://ubuntu.com/internet-of-things/appstore) for secure fleet management * DevSecOps pipeline for edge app delivery * Built-in device recovery and remote disk repair * Up to 15 years of security maintenance for devices * Provable system and software integrity * Secure boot backed by root of trust * Full disk encryption with hardware keys * [Support for real-time compute](https://ubuntu.com/real-time) * FIPS-certifiable embedded Linux --- [Learn more](https://ubuntu.com/core) [Contact us ›](https://ubuntu.com/core/contact-us) --- ## Workstations and desktops [Optimized AI/ML](https://ubuntu.com/ai) and cloud devops. The professional developer's preference. * [Active Directory](https://ubuntu.com/engage/microsoft-active-directory) and LDAP integration * Full disk encryption * Security updates for the [full open source stack](https://ubuntu.com/esm) * Estate [monitoring and management](https://ubuntu.com/landscape/features) * Configuration lockdown * Local Kubernetes for offline development * Instant Ubuntu on Windows and macOS with [WSL](https://ubuntu.com/wsl) and [Multipass](https://canonical.com/multipass) * Optimized images and [certified workstations](https://ubuntu.com/blog/why-you-should-buy-a-pre-installed-ubuntu-workstation) --- [Learn more](https://ubuntu.com/desktop) [Contact us ›](https://ubuntu.com/desktop/contact-us) --- ## Data center automation Turn a rack into a bare metal cloud. [Metal-as-a-Service provisions](https://canonical.com/maas) Windows, ESXi, and Linux. * [Bare metal cloud](https://canonical.com/maas/how-maas-works) with on-demand servers * Remote edge cluster operations * Infrastructure [monitoring](https://canonical.com/maas/docs/how-to-monitor-maas) and discovery * Ansible, Chef, Puppet, SALT, [Juju](https://canonical.com/juju) integration * [Super fast install](https://canonical.com/maas/docs/how-to-get-maas-up-and-running) from scratch * VMWare ESXi, Windows, CentOS, RHEL, Ubuntu * Custom images with pre-installed apps * [Disk](https://canonical.com/maas/docs/about-machine-basics#p-17487-storage) and [network](https://canonical.com/maas/docs/about-maas-networking) configuration * API-driven DHCP, DNS, PXE, IPAM, provisioning * LDAP authentication and RBAC --- [Learn more](https://canonical.com/maas) [Contact us ›](https://canonical.com/maas/contact-us) --- ## Smart robots of all shapes and sizes From turtles to trucks, [Ubuntu drives the robot revolution](https://ubuntu.com/robotics). * Full support for [ROS and ROS2](https://ubuntu.com/robotics/what-is-ros) * Security patches for long-term ROS * Fault tolerant over-the-air updates * [CIS certification](https://ubuntu.com/security/security-standards#cis) * Trim time-to-market with SMART START consulting * Leading Robot-as-a-Platform ecosystem * Curated app stores --- [Learn more](https://ubuntu.com/robotics) [Contact us ›](https://ubuntu.com/contact-us) --- ## Multi–cloud applications – beyond PAAS [Universal model-driven operators for classic](https://juju.is/) and [Kubernetes estate](https://canonical.com/jaas/kubernetes). * Operate smoothly across public and private cloud * Reusable integration code as open source packages * Python Operator Framework for rapid development * Bring the K8s operator pattern to classic workloads * Lifecycle management and Day 2 operations * [Open collection](https://canonical.com/jaas/store) of community-driven operators --- [Learn more about universal operators](https://juju.is)