{"id":55018,"date":"2021-05-10T21:19:07","date_gmt":"2021-05-10T13:19:07","guid":{"rendered":"https:\/\/www.hongkiat.com\/blog\/?p=55018"},"modified":"2022-07-22T19:28:54","modified_gmt":"2022-07-22T11:28:54","slug":"upgrade-ubuntu-server","status":"publish","type":"post","link":"https:\/\/www.hongkiat.com\/blog\/upgrade-ubuntu-server\/","title":{"rendered":"How to Upgrade Your Server (Ubuntu)"},"content":{"rendered":"<p>Ubuntu is one of the most popular operating systems on servers to run websites. Also, VPS providers like <a rel=\"nofollow noopener\" target=\"_blank\" href=\"https:\/\/www.hongkiat.com\/blog\/go\/do\">DigitalOcean<\/a>, <a rel=\"nofollow noopener\" target=\"_blank\" href=\"https:\/\/www.vultr.com\/\">Vultr<\/a>, and Linode make it even easier to install one with just a few clicks.<\/p>\n<p>Ubuntu also keeps updating itself with newer versions. If you\u2019re on desktop, you\u2019ll be prompted when an update is available and you\u2019ll be guided through the process as well.<\/p>\n<p>On the server, however, you might not have this privilege. So updating your Ubuntu server will involve running a few command lines. And in this article, we are going to see how to do just that.<\/p>\n<div class=\"ref-block ref-block--post\" id=\"ref-post-1\">\n\t\t\t\t\t<a href=\"https:\/\/www.hongkiat.com\/blog\/ssh-to-server-without-password\/\" class=\"ref-block__link\" title=\"Read More: How to SSH into Server Without Password\" rel=\"bookmark\"><span class=\"screen-reader-text\">How to SSH into Server Without Password<\/span><\/a>\n<div class=\"ref-block__thumbnail img-thumb img-thumb--jumbo\" data-img='{ \"src\" : \"https:\/\/assets.hongkiat.com\/uploads\/thumbs\/250x160\/ssh-to-server-without-password.jpg\" }'>\n\t\t\t\t\t\t\t<noscript>\n<style>.no-js #ref-block-post-48893 .ref-block__thumbnail { background-image: url(\"https:\/\/assets.hongkiat.com\/uploads\/thumbs\/250x160\/ssh-to-server-without-password.jpg\"); }<\/style>\n<\/noscript>\n\t\t\t\t\t\t<\/div>\n<div class=\"ref-block__summary\">\n<h4 class=\"ref-title\">How to SSH into Server Without Password<\/h4>\n<p class=\"ref-description\">\n\t\t\t\t\t\tIn this post, I'll show you how to bypass the password prompt and get you connected to your...\t\t\t\t\t\t<span>Read more<\/span><\/p>\n<\/div>\n<\/div>\n<h2>Pre-requisite<\/h2>\n<p>Before we begin, it would be best to have a <a target=\"_blank\" href=\"https:\/\/www.hongkiat.com\/blog\/auto-backup-website-dropbox\/\" rel=\"noopener\">backup of your website files and database<\/a> or <a rel=\"nofollow noopener\" target=\"_blank\" href=\"https:\/\/docs.digitalocean.com\/products\/images\/snapshots\/\">a snapshot of your server<\/a>. This way you can always revert to the previous state of your server in case the update fails or breaks something on the website.<\/p>\n<p>If you\u2019re running a production site, where users are continuously using the site, you might want to send them a notice that the site will be going under maintenance for a moment.<\/p>\n<p>Lastly, you need is to have <code>root<\/code> or <code>pseudo<\/code> access to the server as it\u2019ll require high privilege to run the update operation.<\/p>\n<p>Once, all these prerequisites are checked, you can get started.<\/p>\n<h2>Checking Version<\/h2>\n<p>First, let\u2019s check the current Ubuntu version that we have. As we can see in the image below, the current version we are running is Ubuntu 18.04 LTS.<\/p>\n<figure><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/assets.hongkiat.com\/uploads\/upgrade-ubuntu-server\/ubuntu-version.jpg\" alt=\"ubuntu-version\" width=\"750\" height=\"230\"><\/figure>\n<p>LTS (Long-term Support) means that it\u2019ll be given updates, security patches, and support by <a rel=\"nofollow noopener\" target=\"_blank\" href=\"https:\/\/canonical.com\/\">Canonical<\/a>, for at least 5 years and another few years for maintenance releases. Compared to the non-LTS version which only gets around 1 year of support.<\/p>\n<p>At the time of the writing, the current LTS version, besides 18.04, is 20.04. So we are going to update it 20.04.<\/p>\n<figure><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/assets.hongkiat.com\/uploads\/upgrade-ubuntu-server\/ubuntu-lts.jpg\" alt=\"ubuntu-lts\" width=\"750\" height=\"359\"><\/figure>\n<h2>Clean-up and Update Packages<\/h2>\n<p>First, we clear out the local repository files that can no longer be downloaded and remove obsolete packages that were automatically installed as these files are now mostly useless. To do this:<\/p>\n<ol>\n<li>Type the command: <code>apt clean && apt autoclean && apt autoremove -y<\/code><\/li>\n<figure><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/assets.hongkiat.com\/uploads\/upgrade-ubuntu-server\/ubuntu-autoclean.jpg\" alt=\"ubuntu-autoclean\" width=\"750\" height=\"180\"><\/figure>\n<li>Then type the command <code>apt update && apt dist-upgrade -y<\/code> to update the packages and repositories index list and upgrade some of the packages. The command, <code>dist-upgrade<\/code>, also corrects some conflicts on the packages and the package dependencies installed so it may also remove some packages that are no longer used.<\/li>\n<figure><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/assets.hongkiat.com\/uploads\/upgrade-ubuntu-server\/ubuntu-update.jpg\" alt=\"ubuntu-update\" width=\"750\" height=\"350\"><\/figure>\n<li>At this step, you might have to reboot the server after performing these package upgrades. So when you\u2019re prompted to reboot type: <code> reboot<\/code> This command will log you out automatically from the current SSH session. Wait for a while then login to the SSH again.<\/li>\n<\/ol>\n<h2>Upgrade Ubuntu Release<\/h2>\n<p>Now that we have cleared things up and updated and resolved the packages in Ubuntu, we can now do the actual Ubuntu upgrade.<\/p>\n<ol>\n<li>To upprade it, type the following command: <code> do-release-upgrade <\/code><\/li>\n<li>The process will first ask you to do the upgrade operation over a new SSH daemon. Type \u201cy\u201d to proceed.<\/li>\n<figure><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/assets.hongkiat.com\/uploads\/upgrade-ubuntu-server\/ubuntu-do-upgrade.jpg\" alt=\"ubuntu-do-upgrade\" width=\"750\" height=\"280\"><\/figure>\n<li>Secondly, it will ask to update the package repository list to Ubuntu 20.04 (\u201cFocal\u201d Fossa). So type \u201cy\u201d as we want all the list updated and then proceed.<\/li>\n<figure><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/assets.hongkiat.com\/uploads\/upgrade-ubuntu-server\/ubuntu-focal-entries.jpg\" alt=\"ubuntu-focal-entries\" width=\"750\" height=\"280\"><\/figure>\n<li>Next, it\u2019ll confirm the number of packages, the size to download for the upgrade, and that the upgrade will possibly take hours. This is usually true when you\u2019re upgrading on your local computer, but upgrading on the server usually goes faster.<\/li>\n<figure><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/assets.hongkiat.com\/uploads\/upgrade-ubuntu-server\/ubuntu-upgrade-confirm.jpg\" alt=\"ubuntu-upgrade-confirm\" width=\"750\" height=\"280\"><\/figure>\n<li>During the upgrade, you will also get a notice like the one shown below. This tells that the upprade will update some running services and requires restarting the service. Select \u201cYes\u201d so it won\u2019t be asking permission every time it needs to do the restart.<\/li>\n<figure><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/assets.hongkiat.com\/uploads\/upgrade-ubuntu-server\/ubuntu-restart-permission.jpg\" alt=\"ubuntu-restart-permission\" width=\"750\" height=\"280\"><\/figure>\n<li>Now, wait for it to proceed with the upgrade procedure. At the end of the procedure, it will ask you once again to reboot.<\/li>\n<\/ol>\n<h2>Conclusion<\/h2>\n<p>Those are all the steps to upgrade Ubuntu on your VPS. When you log in to the SSH again after the reboot, you should now be welcome with the new version: Ubuntu 20.04.<\/p>\n<figure><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/assets.hongkiat.com\/uploads\/upgrade-ubuntu-server\/ubuntu-20.jpg\" alt=\"ubuntu-20\" width=\"750\" height=\"300\"><\/figure>","protected":false},"excerpt":{"rendered":"<p>Ubuntu is one of the most popular operating systems on servers to run websites. Also, VPS providers like DigitalOcean, Vultr, and Linode make it even easier to install one with just a few clicks. Ubuntu also keeps updating itself with newer versions. If you\u2019re on desktop, you\u2019ll be prompted when an update is available and&hellip;<\/p>\n","protected":false},"author":113,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[3400],"tags":[888,4656,1193],"topic":[],"class_list":["entry-content","is-maxi"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v22.8 (Yoast SEO v27.6) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>How to Upgrade Your Server (Ubuntu) - Hongkiat<\/title>\n<meta name=\"description\" content=\"Ubuntu is one of the most popular operating systems on servers to run websites. Also, VPS providers like DigitalOcean, Vultr, and Linode make it even\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.hongkiat.com\/blog\/upgrade-ubuntu-server\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"How to Upgrade Your Server (Ubuntu)\" \/>\n<meta property=\"og:description\" content=\"Ubuntu is one of the most popular operating systems on servers to run websites. Also, VPS providers like DigitalOcean, Vultr, and Linode make it even\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.hongkiat.com\/blog\/upgrade-ubuntu-server\/\" \/>\n<meta property=\"og:site_name\" content=\"Hongkiat\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/hongkiatcom\" \/>\n<meta property=\"article:published_time\" content=\"2021-05-10T13:19:07+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2022-07-22T11:28:54+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/assets.hongkiat.com\/uploads\/upgrade-ubuntu-server\/ubuntu-version.jpg\" \/>\n<meta name=\"author\" content=\"Thoriq Firdaus\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@tfirdaus\" \/>\n<meta name=\"twitter:site\" content=\"@hongkiat\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Thoriq Firdaus\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 minutes\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.hongkiat.com\\\/blog\\\/upgrade-ubuntu-server\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.hongkiat.com\\\/blog\\\/upgrade-ubuntu-server\\\/\"},\"author\":{\"name\":\"Thoriq Firdaus\",\"@id\":\"https:\\\/\\\/www.hongkiat.com\\\/blog\\\/#\\\/schema\\\/person\\\/e7948c7a175d211496331e4b6ce55807\"},\"headline\":\"How to Upgrade Your Server (Ubuntu)\",\"datePublished\":\"2021-05-10T13:19:07+00:00\",\"dateModified\":\"2022-07-22T11:28:54+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.hongkiat.com\\\/blog\\\/upgrade-ubuntu-server\\\/\"},\"wordCount\":668,\"publisher\":{\"@id\":\"https:\\\/\\\/www.hongkiat.com\\\/blog\\\/#organization\"},\"image\":{\"@id\":\"https:\\\/\\\/www.hongkiat.com\\\/blog\\\/upgrade-ubuntu-server\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/assets.hongkiat.com\\\/uploads\\\/upgrade-ubuntu-server\\\/ubuntu-version.jpg\",\"keywords\":[\"Linux\",\"Localhost and Webserver\",\"Ubuntu\"],\"articleSection\":[\"Hosting\"],\"inLanguage\":\"en-US\"},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.hongkiat.com\\\/blog\\\/upgrade-ubuntu-server\\\/\",\"url\":\"https:\\\/\\\/www.hongkiat.com\\\/blog\\\/upgrade-ubuntu-server\\\/\",\"name\":\"How to Upgrade Your Server (Ubuntu) - Hongkiat\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.hongkiat.com\\\/blog\\\/#website\"},\"primaryImageOfPage\":{\"@id\":\"https:\\\/\\\/www.hongkiat.com\\\/blog\\\/upgrade-ubuntu-server\\\/#primaryimage\"},\"image\":{\"@id\":\"https:\\\/\\\/www.hongkiat.com\\\/blog\\\/upgrade-ubuntu-server\\\/#primaryimage\"},\"thumbnailUrl\":\"https:\\\/\\\/assets.hongkiat.com\\\/uploads\\\/upgrade-ubuntu-server\\\/ubuntu-version.jpg\",\"datePublished\":\"2021-05-10T13:19:07+00:00\",\"dateModified\":\"2022-07-22T11:28:54+00:00\",\"description\":\"Ubuntu is one of the most popular operating systems on servers to run websites. 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