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<!DOCTYPE html>
<html prefix="og: http://ogp.me/ns#"
class=""
lang="en"
dir="ltr">
<head>
<meta charset="UTF-8" />
<meta name="keywords" content="index, follow" />
<meta name="viewport" content="width=device-width, initial-scale=1" />
<title>
Enterprise Open Source and Linux
| Ubuntu</title>
<link rel="preconnect" href="https://res.cloudinary.com" />
<link rel="preconnect" href="https://assets.ubuntu.com" crossorigin />
<link rel="preconnect" href="https://www.googletagmanager.com" />
<link rel="dns-prefetch" href="https://www.googletagmanager.com" />
<link rel="preconnect" href="https://pagead2.googlesyndication.com" />
<link rel="dns-prefetch" href="https://pagead2.googlesyndication.com" />
<script nonce="Kmpx_qu2wZUPWFBKAWbqbw" src="https://assets.ubuntu.com/v1/703e23c9-lazysizes+noscript+native-loading.5.1.2.min.js"
defer></script>
<script nonce="Kmpx_qu2wZUPWFBKAWbqbw" src="/static/js/src/navigation.js?v=33203d0" defer></script>
<script nonce="Kmpx_qu2wZUPWFBKAWbqbw" src="/static/js/dist/main.js?v=a10f025" defer></script>
<script nonce="Kmpx_qu2wZUPWFBKAWbqbw" src="/static/js/src/infer-preferred-language.js?v=b69e09e"
defer></script>
<script nonce="Kmpx_qu2wZUPWFBKAWbqbw" src="/static/js/src/csp-event-handlers.js?v=5ad285e"
defer></script>
<link rel="stylesheet"
type="text/css"
media="screen"
href="/static/css/styles.css?v=6bd588f" />
<link rel="stylesheet"
type="text/css"
media="print"
href="/static/css/print.css?v=b63170c" />
<script nonce="Kmpx_qu2wZUPWFBKAWbqbw">
performance.mark("Stylesheets finished");
</script>
<link rel="canonical" href="
https://ubuntu.com/" />
<link rel="apple-touch-icon"
sizes="180x180"
href="https://assets.ubuntu.com/v1/f38b9c7e-COF%20apple-touch-icon.png" />
<link rel="icon"
type="image/png"
sizes="32x32"
href="https://assets.ubuntu.com/v1/be7e4cc6-COF-favicon-32x32.png" />
<link rel="icon"
type="image/png"
sizes="16x16"
href="https://assets.ubuntu.com/v1/16c27f81-COF%20favicon-16x16.png" />
<link rel="manifest"
href="/static/files/site.webmanifest?v=fbabd71" />
<!-- Serving favicon for search engines locally -->
<link rel="icon"
type="image/png"
sizes="48x48"
href="/static/favicons/COF-favicon-48x48.png?v=fa3c63f" />
<!-- Preload core fonts to reduce FOUT -->
<link rel="preload"
as="font"
type="font/woff2"
href="/static/fonts/ubuntu-variable-latin.woff2?v=2db9bad"
crossorigin />
<link rel="preload"
as="font"
type="font/woff2"
href="/static/fonts/ubuntu-variable-latin-italic.woff2?v=e1200c4"
crossorigin />
<link rel="preload"
as="font"
type="font/woff2"
href="/static/fonts/ubuntu-mono-variable.woff2?v=b93e065"
crossorigin />
<script type="application/ld+json">
{
"@context": "https://schema.org",
"@type": "Organization",
"@id": "https://ubuntu.com/#organization",
"name": "Ubuntu",
"url": "https://ubuntu.com/",
"logo": {
"@type": "ImageObject",
"url": "https://assets.ubuntu.com/v1/c55060fd-COF%20android-chrome-512x512.png",
"width": 512,
"height": 512
},
"sameAs": [
"https://x.com/ubuntu",
"https://www.linkedin.com/company/canonical/",
"https://www.youtube.com/user/celebrateubuntu",
"https://www.facebook.com/ubuntulinux/",
"https://www.instagram.com/ubuntu_os/",
"https://www.tiktok.com/@canonical_ubuntu",
"https://ubuntu.social/@ubuntu",
"https://github.com/canonical",
"https://launchpad.net/ubuntu",
"https://www.wikidata.org/wiki/Q381"
],
"parentOrganization": {
"@type": "Organization",
"@id": "https://canonical.com/#organization",
"name": "Canonical",
"url": "https://canonical.com/"
}
}
</script>
<meta name="description" content="
Ubuntu is the modern, open source operating system on Linux for the enterprise server, desktop, cloud, and IoT.
" />
<meta name="facebook-domain-verification"
content="zxp9j79g1gy2xenbu9ll964pttk5hu" />
<meta name="twitter:account_id" content="4503599627481511" />
<meta name="twitter:site" content="@ubuntu" />
<meta property="og:type" content="website" />
<meta property="og:url" content="https://ubuntu.com/" />
<meta property="og:site_name" content="Ubuntu" />
<meta name="copydoc" content="
https://docs.google.com/document/d/1ySJxQbqVdeH4Tra0zwBm2Tn0s56kFGnEF7d8xDRTxwU/edit
" />
<meta name="google-site-verification"
content="ddh2iq7ZuKf1LpkL_gtM_T7DkKDVD7ibq6Ceue4a_3M" />
<meta name="twitter:title" content="Enterprise Open Source and Linux | Ubuntu" />
<meta property="og:title" content="Enterprise Open Source and Linux | Ubuntu" />
<meta name="twitter:description" content="
Ubuntu is the modern, open source operating system on Linux for the enterprise server, desktop, cloud, and IoT.
" />
<meta property="og:description" content="
Ubuntu is the modern, open source operating system on Linux for the enterprise server, desktop, cloud, and IoT.
" />
<!-- Meta image: -->
<meta name="twitter:card" content="summary_large_image" />
<meta name="twitter:image"
content="https://assets.ubuntu.com/v1/47f12466-og_%20ubuntu.png" />
<meta property="og:image"
content="https://assets.ubuntu.com/v1/47f12466-og_%20ubuntu.png" />
<style>
#rememberMe {
display: none;
}
</style>
<!-- Cookie policy -->
<link rel="stylesheet"
href="/static/css/cookie-policy.css?v=6a99ec6" />
<script nonce="Kmpx_qu2wZUPWFBKAWbqbw" src="/static/js/dist/cookie-policy.js?v=3ede63c"></script>
<script nonce="Kmpx_qu2wZUPWFBKAWbqbw" src="/static/js/dist/cookie-policy-with-callback.js?v=b97ebd6"></script>
</head>
<body class="
is-dark
">
<!-- google tag manager -->
<noscript>
<iframe src="https://www.googletagmanager.com/ns.html?id=GTM-K92JCQ"
height="0"
width="0"
style="display: none;
visibility: hidden"
title="Google Tag Manager"></iframe>
</noscript>
<!-- end google tag manager -->
<!-- begin usabilla live embed code -->
<script nonce="Kmpx_qu2wZUPWFBKAWbqbw" defer src="/static/js/src/usabilla-loader.js?v=5df61c1"></script>
<!-- end usabilla live embed code -->
<div id="success" class="p-popup-notification">
<div class="p-notification--positive u-no-margin--bottom">
<div class="p-notification__content">
<p class="p-notification__message">
Your submission was sent successfully!
<a href="#" data-js-back><i class="p-notification__close">Close</i></a>
</p>
</div>
</div>
</div>
<div id="contact-form-success" class="p-popup-notification">
<div class="p-notification--positive u-no-margin--bottom">
<div class="p-notification__content">
<p class="p-notification__message">
Thank you for contacting us. A member of our team will be in touch shortly.
<a href="#" data-js-back><i class="p-notification__close">Close</i></a>
</p>
</div>
</div>
</div>
<div id="unsubscribed" class="p-popup-notification">
<div class="p-notification--positive u-no-margin--bottom">
<div class="p-notification__content">
<p class="p-notification__message">
You have successfully unsubscribed!
<a href="#" data-js-back><i class="p-notification__close">Close</i></a>
</p>
</div>
</div>
</div>
<div id="newsletter-signup" class="p-popup-notification">
<div class="p-notification--positive u-no-margin--bottom">
<div class="p-notification__content">
<p class="p-notification__message">
Thank you for signing up for our newsletter!
<br />
In these regular emails you will find the latest updates about
Ubuntu and upcoming events where you can meet our team.<a href="#" data-js-back><i class="p-notification__close">Close</i></a>
</p>
</div>
</div>
</div>
<div id="updated" class="p-popup-notification">
<div class="p-notification--positive u-no-margin--bottom">
<div class="p-notification__content">
<p class="p-notification__message">
Your preferences have been successfully updated. <a href="#" data-js-back><i class="p-notification__close">Close notification</i></a>
</p>
</div>
</div>
</div>
<div id="contact-form-fail" class="p-popup-notification">
<div class="p-notification--negative u-no-margin--bottom">
<div class="p-notification__content">
<p class="p-notification__message">
Please try again or
<a href="https://github.com/canonical/ubuntu.com/issues/new?template=ISSUE_TEMPLATE.yaml">file a bug report.</a>
<a href="#" data-js-back><i class="p-notification__close">Close</i></a>
</p>
</div>
</div>
</div>
<header id="navigation"
data-nosnippet
class="p-navigation--sliding is-dark ">
<div class="p-navigation__row--25-75">
<div class="p-navigation__banner">
<div class="p-navigation__tagged-logo">
<a class="p-navigation__link" href="/">
<div class="p-navigation__logo-tag">
<img class="p-navigation__logo-icon"
src="https://assets.ubuntu.com/v1/82818827-CoF_white.svg"
alt="" />
</div>
<span class="p-navigation__logo-title">Canonical Ubuntu</span>
</a>
</div>
<ul class="p-navigation__items">
<li class="p-navigation__item">
<a href="/search"
class="js-search-button p-navigation__link--search-toggle"
aria-label="Search"></a>
</li>
<li class="p-navigation__item">
<a href="/navigation" class="js-menu-button p-navigation__link">Menu</a>
</li>
</ul>
</div>
<nav class="p-navigation__nav js-show-nav" aria-label="Categories">
<ul class="p-navigation__items" role="menu">
<li class="p-navigation__item--dropdown-toggle"
id="products"
data-js-dropdown-url="/templates/navigation/products">
<a class="p-navigation__link"
role="menuitem"
href="/navigation#products-navigation"
aria-controls="products-content"
tabindex="0">Products</a>
</li>
<li class="p-navigation__item--dropdown-toggle"
id="use-case"
data-js-dropdown-url="/templates/navigation/use-case">
<a class="p-navigation__link"
role="menuitem"
href="/navigation#use-case-navigation"
aria-controls="use-case-content"
tabindex="0">Use cases</a>
</li>
<li class="p-navigation__item--dropdown-toggle"
id="support"
data-js-dropdown-url="/templates/navigation/support">
<a class="p-navigation__link"
role="menuitem"
href="/navigation#support-navigation"
aria-controls="support-content"
tabindex="0">Support</a>
</li>
<li class="p-navigation__item--dropdown-toggle"
id="community"
data-js-dropdown-url="/templates/navigation/community">
<a class="p-navigation__link"
role="menuitem"
href="/navigation#community-navigation"
aria-controls="community-content"
tabindex="0">Community</a>
</li>
<li class="p-navigation__item--dropdown-toggle"
id="download-ubuntu"
data-js-dropdown-url="/templates/navigation/download-ubuntu">
<a class="p-navigation__link"
role="menuitem"
href="/navigation#download-ubuntu-navigation"
aria-controls="download-ubuntu-content"
tabindex="0">Get Ubuntu</a>
</li>
<li class="p-navigation__item--dropdown-toggle"
id="careers"
data-js-dropdown-url="/templates/navigation/careers">
<a class="p-navigation__link"
role="menuitem"
href="/navigation#careers-navigation"
aria-controls="careers-content"
tabindex="0">Careers</a>
</li>
<li class="p-navigation__item--dropdown-toggle global-nav-mobile global-nav"
role="menuitem"
id="all-canonical"></li>
<li class="p-navigation__item--dropdown-toggle js-account"
id="canonical-login"></li>
<li class="p-navigation__item">
<a href="/search"
aria-label="Search"
class="js-search-button p-navigation__link--search-toggle"></a>
</li>
</ul>
<div class="p-navigation__search">
<form action="/search" class="p-search-box is-light js-search-form">
<!-- honeypot search input -->
<input type="search"
id="search"
class="p-search-box__input u-hide "
name="search"
placeholder="Search our sites"
aria-label="Search our sites"
value=""/>
<!-- end of honeypot search input -->
<input type="search"
class="p-search-box__input"
name="q"
placeholder="Search our sites"
required=""
aria-label="Search our sites" />
<button type="reset" class="p-search-box__reset" aria-label="Clear search">
<i class="p-icon--close"></i>
</button>
<button type="submit" class="p-search-box__button" aria-label="Submit search">
<i class="p-icon--search"></i>
</button>
</form>
</div>
</nav>
</div>
<div class="p-navigation__search-overlay"></div>
<div id="control-height"></div>
</header>
<div class="dropdown-window-overlay fade-animation"></div>
<div class="dropdown-window is-dark slide-animation "
data-nosnippet>
<div class="u-hide dropdown-content-desktop" id="products-content"></div>
<div class="u-hide dropdown-content-desktop" id="use-case-content"></div>
<div class="u-hide dropdown-content-desktop" id="support-content"></div>
<div class="u-hide dropdown-content-desktop" id="community-content"></div>
<div class="u-hide dropdown-content-desktop" id="download-ubuntu-content"></div>
<div class="u-hide dropdown-content-desktop" id="careers-content"></div>
<div class="u-hide dropdown-content-desktop global-nav-desktop"
id="all-canonical-content"></div>
</div>
<div class="wrapper u-no-margin--top">
<main id="main-content" class="inner-wrapper">
<noscript>
<style>
.p-takeover-animation {
animation: none;
}
</style>
</noscript>
<section id="test-takeover" class="p-section--hero" hidden>
<div class="row p-takeover-animation" id="test-takeover-animation">
<div class="row--50-50 p-section--shallow">
<div class="col">
<h1 class="u-no-margin--bottom" id="test-takeover-title">A CTO's guide to real-time Linux</h1>
</div>
<div class="col">
<div class="p-section--shallow u-no-padding--top">
<h2 id="test-takeover-subtitle">Understanding real-time systems, their use cases and inner workings.</h2>
</div>
<hr class="p-rule--muted" />
<p>
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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. <span class="u-text--muted">(HackerEarth, Developer Survey, 2020)</span>
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<p>That's why Ubuntu supports the fastest, biggest, and most successful digital operations.</p>
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<a href="/pro">Ubuntu Pro</a> is more than Linux.
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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.
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<a href="https://canonical.com/solutions/open-source-security/cyber-resilience-act">Cyber Resilience Act (CRA)</a>: Meet your CRA requirements
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<a href="/security/security-standards#stig">DISA/STIG</a> hardening for <abbr title="Department of Defence, USA">DoD</abbr>
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<div class="p-section--shallow">
<h2 class="p-heading--1 u-no-margin--bottom">Significant enterprise savings</h2>
<p class="p-heading--2">Sustainable open source at the lowest cost, everywhere.</p>
</div>
<div class="p-section--shallow">
<p>
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.
</p>
</div>
<ul class="p-list--divided is-homepage">
<li class="p-list__item is-ticked">No mandatory subscriptions for Ubuntu</li>
<li class="p-list__item is-ticked">
<a href="/security">Security</a>, <a href="/support">support</a>, and fully managed <a href="https://canonical.com/openstack/support">infra</a> and <a href="/managed-infrastructure">apps</a>
</li>
<li class="p-list__item is-ticked">
<a href="/cloud/public-cloud">Public cloud</a>, <a href="/download/server">data center</a>, <a href="https://canonical.com/microk8s">edge cluster</a>, and <a href="/appliance">appliances</a>
</li>
<li class="p-list__item is-ticked">
<a href="/about/release-cycle">Long term maintenance commitment</a>
</li>
<li class="p-list__item is-ticked">Transparent pricing for enterprise and ISV</li>
<li class="p-list__item is-ticked">
<a href="/engage/vmware-to-charmed-openstack">Switch from VMware to OpenStack</a>
</li>
</ul>
<hr class="p-rule--muted" />
<p class="u-no-margin--bottom">
<a href="/contact-us"
class="js-invoke-modal p-button is-dark"
aria-controls="contact-modal">Let's talk open source</a>
</p>
</div>
</div>
</section>
<section class="p-section">
<div class="u-fixed-width">
<hr class="p-rule" />
<div class="p-section--shallow">
<h2 class="p-heading--1 u-no-margin--bottom">Public cloud optimization</h2>
<p class="p-heading--2">Most public cloud instances are Ubuntu, for performance and security.</p>
<div class="p-logo-section--dense u-no-padding">
<div class="p-logo-section__items landing-logos u-no-padding">
<div class="p-logo-section__item">
<img
src="https://res.cloudinary.com/canonical/image/fetch/f_auto,q_auto,fl_sanitize,w_176/https%3A%2F%2Fassets.ubuntu.com%2Fv1%2F86ee4118-uber-logo.png"
srcset="https://res.cloudinary.com/canonical/image/fetch/f_auto,q_auto,fl_sanitize,w_176/https%3A%2F%2Fassets.ubuntu.com%2Fv1%2F86ee4118-uber-logo.png 176w, https://res.cloudinary.com/canonical/image/fetch/f_auto,q_auto,fl_sanitize,w_352/https%3A%2F%2Fassets.ubuntu.com%2Fv1%2F86ee4118-uber-logo.png 352w"
sizes="(min-width: 176px) 176px, 100vw"
alt="Uber"
width="176"
height="385"
loading="lazy"
class="p-logo-section__logo"
/>
</div>
<div class="p-logo-section__item">
<img
src="https://res.cloudinary.com/canonical/image/fetch/f_auto,q_auto,fl_sanitize,w_363/https%3A%2F%2Fassets.ubuntu.com%2Fv1%2Fd1a04730-spotify-logo.png"
srcset="https://res.cloudinary.com/canonical/image/fetch/f_auto,q_auto,fl_sanitize,w_363/https%3A%2F%2Fassets.ubuntu.com%2Fv1%2Fd1a04730-spotify-logo.png 363w, https://res.cloudinary.com/canonical/image/fetch/f_auto,q_auto,fl_sanitize,w_726/https%3A%2F%2Fassets.ubuntu.com%2Fv1%2Fd1a04730-spotify-logo.png 726w"
sizes="(min-width: 363px) 363px, 100vw"
alt="Spotify"
width="363"
height="385"
loading="lazy"
class="p-logo-section__logo"
/>
</div>
<div class="p-logo-section__item">
<img
src="https://res.cloudinary.com/canonical/image/fetch/f_auto,q_auto,fl_sanitize,w_436/https%3A%2F%2Fassets.ubuntu.com%2Fv1%2Fce3090ee-bnp-paribas-logo.png"
srcset="https://res.cloudinary.com/canonical/image/fetch/f_auto,q_auto,fl_sanitize,w_436/https%3A%2F%2Fassets.ubuntu.com%2Fv1%2Fce3090ee-bnp-paribas-logo.png 436w, https://res.cloudinary.com/canonical/image/fetch/f_auto,q_auto,fl_sanitize,w_872/https%3A%2F%2Fassets.ubuntu.com%2Fv1%2Fce3090ee-bnp-paribas-logo.png 872w"
sizes="(min-width: 436px) 436px, 100vw"
alt="BNP Paribas"
width="436"
height="385"
loading="lazy"
class="p-logo-section__logo"
/>
</div>
</div>
</div>
</div>
</div>
<ul class="row p-list--divided is-homepage u-no-margin--bottom">
<li class="p-list__item is-ticked col-medium-3 col-3 u-no-padding--top u-no-padding--bottom">
<p>Optimized kernels for AWS, Azure, Google, Oracle, IBM</p>
</li>
<li class="p-list__item is-ticked col-medium-3 col-3 u-no-padding--top u-no-padding--bottom">
<p>
<a href="/security/security-standards#fips">FIPS</a>, <a href="/security/security-standards#cis">CIS hardening</a>, and CVE fixes with <a href="/pro">Ubuntu Pro</a>
</p>
</li>
<li class="p-list__item is-ticked col-medium-3 col-3 u-no-padding--top u-no-padding--bottom">
<p>
Minimize rolling reboots with <a href="/livepatch">Kernel Livepatch</a>
</p>
</li>
<li class="p-list__item is-ticked col-medium-3 col-3 u-no-padding--top u-no-padding--bottom">
<p>Network & storage performance optimization</p>
</li>
</ul>
<ul class="row p-list--divided is-homepage u-no-margin--bottom">
<li class="p-list__item is-ticked col-medium-3 col-3 u-no-padding--top u-no-padding--bottom">
<p>GPU enablement for machines and containers</p>
</li>
<li class="p-list__item is-ticked col-medium-3 col-3 u-no-padding--top u-no-padding--bottom">
<p>Pay-as-you-go billing, no more licenses</p>
</li>
<li class="p-list__item is-ticked col-medium-3 col-3 u-no-padding--top u-no-padding--bottom">
<p>
<a href="/support">Enterprise support</a> and <a href="/esm">Expanded Security Maintenance</a>
</p>
</li>
<li class="p-list__item is-ticked col-medium-3 col-3 u-no-padding--top u-no-padding--bottom">
<p>Cloud workload migration service</p>
</li>
</ul>