This release is based on the Linux 5.15 LTS kernel to support newer hardware and filesystems, and additional support for OpenSSL, GCC, and other packages. The desktop version of this release supports GNOME 42 as its desktop environment and Wayland is the default display server. There are also additional packages including many other changes to the desktop which users may find useful. Those who want to upgrade their existing desktops and servers can upgrade directly to version 22.04 from Ubuntu 20.04 or Ubuntu 21.10. If you’re currently running a version before 20.04, then you must first upgrade to Ubuntu 20.04 or Ubuntu 21.10 before you can upgrade to Ubuntu 22.04.
How to upgrade to Ubuntu 22.04 from Ubuntu 20.10 or Ubuntu 20.04
As mentioned above, Ubuntu 22.04 which was recently released is an LTS version that will be supported for five ( 5 ) years. There is a direct upgrade path from Ubuntu 20.04 or 21.10 to 22.04. The upgrade operation runs with superuser privileges so you must be logged in as root or member of the sudoers file.
How to Back up Ubuntu
Before upgrading Ubuntu, your first task should be to take a backup of your current system so you can restore it if something unexpected happens when upgrading. How to back up Ubuntu
How to update Ubuntu
Also, before upgrading to the latest Ubuntu version, one should update the current packages that are installed if new versions are available. If you have packages held back for any reason, you may want to release the hold and maybe upgrade to the latest version. Run the commands below to show any packages being held back from the upgrade. To release the hold, run the commands below, replacing package_name with the name of the package being held back. Next, run the commands below to update all current packages currently installed. Next, run the commands below to perform a full upgrade so that packages that may prevent your machine from upgrading are removed.
Upgrade to Ubuntu 22.04
Now that your system has been updated and rebooted, you can now start upgrading to the latest version of Ubuntu. Ubuntu comes with an upgrade package called “update-manager-core” which is installed by default on both desktops and servers. If it’s not already installed, you can run the commands below to do so. Once the package is installed, make sure that the default upgrade policy in the /etc/update-manager/release-upgrades file is set to “Prompt=normal” or “Prompt=lts”. If the option is set to its but still unable to upgrade, change it to normal and try again. Finally, run the commands below to start the upgrade process During the upgrade process, you’ll be prompted and asked various questions, like whether you want to keep an existing configuration file or install the package maintainer’s version. In most cases, if you haven’t done lots of custom configurations, you can safely type Y for Yes. Wait for the upgrade process to complete. Once the process is done, you’ll be prompted to reboot. After rebooting, run the commands below to verify that your Ubuntu system was upgraded. You should see something similar to the lines below: Related post: How to upgrade the Ubuntu desktop Conclusion: This post showed you how to upgrade Ubuntu. If you find any error above or have something to add, please use the comment form below.
