In this article, we will delve into the process of upgrading your Ubuntu 18.04 operating system to the latest Ubuntu 20.04 LTS version. Ubuntu 20.04 LTS (Long-Term Support) brings numerous improvements, including enhanced security, new features, and updated software packages. By following the steps outlined below, you can seamlessly upgrade your system and take advantage of the latest Ubuntu release.
Understanding the Importance of Upgrading
Before diving into the upgrade process, it is crucial to understand the significance of keeping your operating system up to date. Upgrading your Ubuntu system ensures that you have access to the latest security patches, bug fixes, and performance enhancements. Additionally, upgrading allows you to benefit from new features and improvements introduced in the latest LTS release.
Backing Up Your Data
Before proceeding with any major system changes, it is always recommended to back up your important data. This step acts as a safety net in case anything goes wrong during the upgrade process. Create a backup of your personal files, documents, and any other data you consider valuable. It is better to be safe than sorry.
Preparing for the Upgrade
To ensure a smooth upgrade process, it is essential to prepare your system beforehand. Firstly, make sure that your current Ubuntu 18.04 installation is up to date by running the following command in the terminal:
sudo apt update && sudo apt upgrade
This command updates the package lists and upgrades any installed packages to their latest versions. Once the update and upgrade process is complete, reboot your system to apply the changes.
Upgrading Ubuntu 18.04 to Ubuntu 20.04 LTS
Now, let’s dive into the step-by-step process of upgrading your Ubuntu 18.04 system to Ubuntu 20.04 LTS.
Step 1: Updating the System
Before initiating the upgrade, ensure that your system is fully up to date by running the following command:
sudo apt update && sudo apt upgrade
Step 2: Checking for Software Updates
Next, check for any software updates specific to the release upgrade process. Run the following command:
sudo apt install update-manager-core
Step 3: Configuring the Release Upgrade
To configure the release upgrade, open the /etc/update-manager/release-upgrades file using a text editor:
sudo nano /etc/update-manager/release-upgrades
In the file, ensure that the Prompt variable is set to “normal” or “lts”. If it is set to “never”, change it to either “normal” or “lts”.
Step 4: Initiating the Upgrade
Finally, you can initiate the upgrade process by running the following command:
Follow the on-screen instructions and prompts to proceed with the upgrade. The process may take some time, depending on your system and internet connection speed.
After the upgrade is complete, there are a few post-upgrade tasks you should perform to ensure everything is functioning correctly.
Step 1: Verifying the Upgrade
To verify that the upgrade was successful, open the terminal and run the following command:
This command will display information about your current Ubuntu version.
Step 2: Removing Obsolete Packages
To remove any obsolete packages that are no longer required, run the following command:
sudo apt autoremove
Step 3: Updating Software Repositories
Update the software repositories to ensure you have access to the latest updates and packages:
sudo apt update
Congratulations! You have successfully upgraded your Ubuntu 18.04 operating system to Ubuntu 20.04 LTS. By following the step-by-step guide provided in this article, you have ensured a smooth transition to the latest LTS release. Enjoy the enhanced security, new features, and improved performance of Ubuntu 20.04 LTS!
Remember, it is always recommended to keep your system up to date to benefit from the latest advancements and security patches.