{"id":42451,"date":"2026-07-26T15:12:54","date_gmt":"2026-07-26T15:12:54","guid":{"rendered":"https:\/\/green.cloud\/docs\/docs\/greencloud-documents\/linux-operating-systems\/how-to-upgrade-ubuntu-24-04-lts-to-ubuntu-26-04-lts-complete-step-by-step-guide\/"},"modified":"2026-08-07T07:07:42","modified_gmt":"2026-08-07T07:07:42","slug":"how-to-upgrade-ubuntu-24-04-lts-to-ubuntu-26-04-lts-complete-step-by-step-guide","status":"publish","type":"docs","link":"https:\/\/green.cloud\/docs\/how-to-upgrade-ubuntu-2404-lts-to-ubuntu-2604-lts\/","title":{"rendered":"How to Upgrade Ubuntu 24.04 LTS to Ubuntu 26.04 LTS"},"content":{"rendered":"<h2>Introduction<\/h2>\n<p>Ubuntu 26.04 LTS is the latest Long Term Support release, offering five years of security updates, newer software packages, improved hardware compatibility, and better overall performance. If you&#8217;re currently running Ubuntu 24.04 LTS, upgrading to Ubuntu 26.04 LTS is the recommended way to stay supported without performing a fresh installation.<\/p>\n<p>The upgrade process is straightforward and uses Ubuntu&#8217;s built-in release upgrade tool. As long as your system is fully updated and you have a reliable Internet connection, the entire process typically takes between 20 and 60 minutes depending on your hardware and download speed.<\/p>\n<p>In this guide, we&#8217;ll walk through each step required to safely upgrade Ubuntu 24.04 LTS to Ubuntu 26.04 LTS.<\/p>\n<p><iframe title=\"How to Upgrade Ubuntu 24.04 LTS to Ubuntu 26.04 LTS\" width=\"1170\" height=\"658\" src=\"https:\/\/www.youtube.com\/embed\/Hij6YYygOSU?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/p>\n<h1>Prerequisites<\/h1>\n<p>Before starting the upgrade, make sure you have:<\/p>\n<ul>\n<li>A backup of any important files.<\/li>\n<li>A stable Internet connection.<\/li>\n<li>At least 3 GB of free disk space (more is recommended).<\/li>\n<li>A user account with sudo privileges.<\/li>\n<\/ul>\n<p>You can verify your current Ubuntu version with:<\/p>\n<pre>lsb_release -a\r\n<\/pre>\n<p>or<\/p>\n<pre>cat \/etc\/os-release\r\n<\/pre>\n<p><img fetchpriority=\"high\" decoding=\"async\" class=\"aligncenter wp-image-42457 size-full\" src=\"https:\/\/green.cloud\/docs\/wp-content\/uploads\/2026\/07\/1.png\" alt=\"\" width=\"1131\" height=\"265\" srcset=\"https:\/\/green.cloud\/docs\/wp-content\/uploads\/2026\/07\/1.png 1131w, https:\/\/green.cloud\/docs\/wp-content\/uploads\/2026\/07\/1-300x70.png 300w, https:\/\/green.cloud\/docs\/wp-content\/uploads\/2026\/07\/1-1024x240.png 1024w, https:\/\/green.cloud\/docs\/wp-content\/uploads\/2026\/07\/1-768x180.png 768w\" sizes=\"(max-width: 1131px) 100vw, 1131px\" \/><\/p>\n<p>You should see Ubuntu 24.04 LTS.<\/p>\n<hr \/>\n<h3>Step 1: Update Your Current Installation<\/h3>\n<p>Before upgrading, install all available updates to ensure your system is fully up to date.<\/p>\n<pre>sudo apt update\r\nsudo apt full-upgrade -y\r\nsudo apt autoremove --purge -y\r\nsudo apt clean\r\n<\/pre>\n<p>If a new kernel is installed, reboot your system before continuing.<\/p>\n<pre>sudo reboot\r\n<\/pre>\n<hr \/>\n<h3>Step 2: Install the Release Upgrade Tool<\/h3>\n<p>Ubuntu uses the <strong>update-manager-core<\/strong> package to perform release upgrades.<\/p>\n<p>Install it if necessary:<\/p>\n<pre>sudo apt install update-manager-core -y\r\n<\/pre>\n<p>Next, verify the release upgrade configuration:<\/p>\n<pre>cat \/etc\/update-manager\/release-upgrades\r\n<\/pre>\n<p>Ensure the following option is configured:<\/p>\n<p><img decoding=\"async\" class=\"aligncenter wp-image-42461 size-full\" src=\"https:\/\/green.cloud\/docs\/wp-content\/uploads\/2026\/07\/3.png\" alt=\"\" width=\"1042\" height=\"346\" srcset=\"https:\/\/green.cloud\/docs\/wp-content\/uploads\/2026\/07\/3.png 1042w, https:\/\/green.cloud\/docs\/wp-content\/uploads\/2026\/07\/3-300x100.png 300w, https:\/\/green.cloud\/docs\/wp-content\/uploads\/2026\/07\/3-1024x340.png 1024w, https:\/\/green.cloud\/docs\/wp-content\/uploads\/2026\/07\/3-768x255.png 768w\" sizes=\"(max-width: 1042px) 100vw, 1042px\" \/><\/p>\n<pre>Prompt=lts\r\n<\/pre>\n<p>This tells Ubuntu to upgrade only to the next Long Term Support release.<\/p>\n<hr \/>\n<h3>Step 3: Start the Upgrade<\/h3>\n<p>Begin the upgrade with the official command:<\/p>\n<pre>sudo do-release-upgrade\r\n<\/pre>\n<p>If Ubuntu 26.04 has only recently been released and isn&#8217;t detected yet, you can use:<\/p>\n<pre>sudo do-release-upgrade -d\r\n<\/pre>\n<p>The upgrade tool will:<\/p>\n<ul>\n<li>Check package compatibility.<\/li>\n<li>Download Ubuntu 26.04 packages.<\/li>\n<li>Install updated packages.<\/li>\n<li>Remove obsolete packages.<\/li>\n<li>Prepare the system for reboot.<\/li>\n<\/ul>\n<p>Simply follow the on-screen prompts until the process finishes.<\/p>\n<hr \/>\n<h3>Step 4: Reboot the System<\/h3>\n<p>Once the upgrade is complete, restart your system.<\/p>\n<pre>sudo reboot\r\n<\/pre>\n<p>Your system will boot into Ubuntu 26.04 LTS.<\/p>\n<hr \/>\n<h3>Step 5: Verify the Upgrade<\/h3>\n<p>After logging back in, confirm the upgrade completed successfully.<\/p>\n<pre>lsb_release -a\r\n<\/pre>\n<p>or<\/p>\n<pre>cat \/etc\/os-release\r\n<\/pre>\n<p><img decoding=\"async\" class=\"aligncenter wp-image-42459 size-full\" src=\"https:\/\/green.cloud\/docs\/wp-content\/uploads\/2026\/07\/2.png\" alt=\"\" width=\"1069\" height=\"298\" srcset=\"https:\/\/green.cloud\/docs\/wp-content\/uploads\/2026\/07\/2.png 1069w, https:\/\/green.cloud\/docs\/wp-content\/uploads\/2026\/07\/2-300x84.png 300w, https:\/\/green.cloud\/docs\/wp-content\/uploads\/2026\/07\/2-1024x285.png 1024w, https:\/\/green.cloud\/docs\/wp-content\/uploads\/2026\/07\/2-768x214.png 768w\" sizes=\"(max-width: 1069px) 100vw, 1069px\" \/><\/p>\n<p>The output should indicate that your system is now running <strong>Ubuntu 26.04 LTS<\/strong>.<\/p>\n<p>You can also verify the running kernel:<\/p>\n<pre>uname -r\r\n<\/pre>\n<hr \/>\n<h1>Troubleshooting<\/h1>\n<h3>Upgrade not available<\/h3>\n<p>Refresh package information and ensure the release upgrader is installed.<\/p>\n<pre>sudo apt update\r\nsudo apt install update-manager-core\r\nsudo do-release-upgrade\r\n<\/pre>\n<p>If necessary, retry using:<\/p>\n<pre>sudo do-release-upgrade -d\r\n<\/pre>\n<h3>Insufficient disk space<\/h3>\n<p>Check available storage:<\/p>\n<pre>df -h\r\n<\/pre>\n<p>Remove unused packages:<\/p>\n<pre>sudo apt autoremove --purge\r\nsudo apt clean\r\n<\/pre>\n<h3>Interrupted upgrade<\/h3>\n<p>If the upgrade is interrupted unexpectedly, repair package configuration:<\/p>\n<pre>sudo dpkg --configure -a\r\nsudo apt --fix-broken install\r\n<\/pre>\n<hr \/>\n<h1>Conclusion<\/h1>\n<p>Upgrading from Ubuntu 24.04 LTS to Ubuntu 26.04 LTS is a simple process thanks to Ubuntu&#8217;s built-in release upgrade utility. By updating your existing installation, running the official upgrade command, and following the on-screen instructions, you can move to the latest LTS release without reinstalling the operating system.<\/p>\n<p>After the upgrade, you&#8217;ll benefit from improved performance, newer software versions, enhanced hardware compatibility, and continued long-term security support. Performing regular system updates after upgrading will help keep your Ubuntu installation secure, stable, and ready for future releases.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Introduction Ubuntu 26.04 LTS is the latest Long Term Support release, offering five years of security updates, newer software packages, improved hardware compatibility, and better overall performance. If you&#8217;re currently running Ubuntu 24.04 LTS, upgrading to Ubuntu 26.04 LTS is the recommended way to stay supported without performing a fresh installation. The upgrade process is [&hellip;]<\/p>\n","protected":false},"author":27,"featured_media":0,"parent":17817,"menu_order":438,"comment_status":"closed","ping_status":"closed","template":"","doc_tag":[],"class_list":["post-42451","docs","type-docs","status-publish","hentry","no-post-thumbnail"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.0 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>How to Upgrade Ubuntu 24.04 LTS to Ubuntu 26.04 LTS - GreenCloud Documentation<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/green.cloud\/docs\/how-to-upgrade-ubuntu-2404-lts-to-ubuntu-2604-lts\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How to Upgrade Ubuntu 24.04 LTS to Ubuntu 26.04 LTS - GreenCloud Documentation\" \/>\n<meta property=\"og:description\" content=\"Introduction Ubuntu 26.04 LTS is the latest Long Term Support release, offering five years of security updates, newer software packages, improved hardware compatibility, and better overall performance. 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