Do-release-upgrade is the command line application to upgrade Ubuntu to the latest available version. It is a single step, easy to run command, with which the user need not take any backup of his existing installed software. To run the command, open terminal by pressing Ctrl + Alt + T, or by clicking the Terminal icon from the dock.
The most common answer is; to solve “do-release-upgrade: command not found” error in Ubuntu, you need to install “ubuntu-release-upgrader-core” package on your Ubuntu. It provides the “do-release-upgrade” command that allows the users to upgrade to the latest available Ubuntu using Ubuntu Release Upgrader. To install this package, simply run the following command: $ sudo apt install ubuntu-release-upgrader-core. After I have installed it, I can able to upgrade Ubuntu 20.04 LTS server without any problems.
Sudo do-release-upgrade: command not found To solve “do-release-upgrade: command not found” error in Ubuntu, you need to install “ubuntu-release-upgrader-core” package on your Ubuntu. It provides the “do-release-upgrade” command that allows the users to upgrade to the latest available Ubuntu using Ubuntu Release Upgrader.
Introduction: Command not found error indicates that the do-release-upgrade tool not installed on your system or cloud server.
How do I upgrade to a new release of Ubuntu?
It is recommended to upgrade the system using the do-release-upgrade command on server edition and cloud images. This command can handle system configuration changes that are sometimes needed between releases. To begin this process run the following command: Upgrading to a development release of Ubuntu is available using the -d flag.
It provides the “do-release-upgrade” command that allows the users to upgrade to the latest available Ubuntu using Ubuntu Release Upgrader. To install this package, simply run the following command:.
You can upgrade with graphical tools built into the standard Ubuntu desktop, or with terminal commands. By default, standard releases of Ubuntu offer to upgrade you to new standard releases, while long-term support (LTS) releases of Ubuntu offer to upgrade you only to new LTS releases.
Now, run the command do-release-upgrade in the terminal. Notice the -d flag added with the command. This is done because upgrade to latest LTS is not directly available till July of the year of release of the LTS. So Ubuntu 20.04 upgrade will be available only in July 2020.
The do-release-upgrade command used to upgrade the operating system to the latest release from the command-line. This is the preferred command if the machine has no graphic environment or if the machine is to be upgraded over a remote connection such as ssh command. Now start the upgrade procedure: $ sudo do-release-upgrade-d.
Do you use the latest version of Ubuntu?
I always use the latest version of Ubuntu, and generally I avoid staying on the LTS versions for too long when there is a newer normal release.
Can I change Ubuntu version without reinstalling?
You can upgrade from one Ubuntu release to another without reinstalling your operating system. If you’re running an LTS version of Ubuntu, you’ll only be offered new LTS versions with the default settings—but you can change that. We recommend backing up your important files before continuing.