Update ubuntu11/28/2023 This session appears to be running under ssh. If you are using SSH to log in to your system, you should see a warning message like this: ![]() Upgrading Ubuntu server over SSH connection? Pay attention! The rest of the procedure is basically pressing enter to what it demands. The -d option forces to look for development release which is 20.04 at present. If you do, you can force the upgrade with -d option like this: do-release-upgrade -d Set Prompt=normal in /etc/update-manager/release-upgrades. To upgrade to the latest non-LTS develoment release There is no development version of an LTS available. You may see a message like this that says it cannot find a new version to upgrade to. Once you have made sure of that, you can upgrade your Ubuntu 18.04 server to Ubuntu 20.04 LTS with this command: do-release-upgrade It looks something like this: Step 3: Upgrade Ubuntu server to a new LTS version This means that your Ubuntu system will be updated to a new stable LTS version. Next, you should check the content of the /etc/update-manager/release-upgrades file and make sure that the last line is Prompt=lts and it is not commented out. Normally, it should already be installed but do verify that your Ubuntu server has update manager tool installed: apt install update-manager-core Ubuntu provides a crucial tool called Update Manager for upgrading your system to a newer version. You have not rebooted after updating a package which requires a reboot. Otherwise, it won't start the upgrade procedure. If it asks you to reboot, you must restart your Ubuntu server. Update your Ubuntu server first for any pending software update: apt update & apt dist-upgrade -y I mean you already know how to access your server, right? If you it’s a remote system, use SSH to log in. If you are not logged in as root, you should have sudo rights and run these commands with sudo. I am using root for running the commands. With that in mind, let’s see how to upgrade to Ubuntu 20.04 server. I use Linode cloud platform for my servers and creating a backup of the entire server image is just a matter of a few clicks. Second thing is to make a backup of your server. This is why you should only upgrade to the new version when it is really critical. If you are running a web service like WordPress or some other public facing service, be prepared for your services to be offline for some time. The server upgrade process may take half an hour or more and this will result in downtime. Upgrading to Ubuntu 20.04 LTS server from 18.04īefore you go on upgrading your server, you should keep a few thing in mind. In this tutorial, I’ll show you the steps to upgrade Ubuntu server version from 18.04 to 20.04 LTS. If you are running an Ubuntu server, you might be wondering about upgrading to Ubuntu 20.04 LTS server. ![]() Ubuntu 20.04 LTS is released with new kernel and new features. This step by step guide shows how to upgrade Ubuntu 18.04 LTS server to 20.04 LTS over an SSH connection or otherwise.
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