AWS Lightsail upgrade Ubuntu 16.04 LTS to 18.04 LTS

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Upgrading an Ubuntu 16.04 LTS instance on AWS Lightsail to 18.04 LTS requires a few steps. Here’s an overview of the process:

  1. Take a snapshot of your Lightsail instance: This will create a backup of your current system in case something goes wrong during the upgrade process.
  2. Update the package lists: Run the command sudo apt-get update to ensure that you have the latest package information.
  3. Upgrade the current packages: Run the command sudo apt-get upgrade to upgrade all of the currently installed packages to their latest versions.
  4. Dist-upgrade the current packages: Run the command sudo apt-get dist-upgrade to perform a more comprehensive upgrade that may include changes to the system’s dependencies.
  5. Update the package lists again: Run the command sudo apt-get update to ensure that you have the latest package information.
  6. Install the update-manager-core package: Run the command sudo apt-get install update-manager-core to install the package that allows you to upgrade to a new release of Ubuntu.
  7. Upgrade to Ubuntu 18.04 LTS: Run the command sudo do-release-upgrade to initiate the upgrade process to Ubuntu 18.04 LTS.
  8. Verify the upgrade: Once the upgrade process is complete, you can run the command lsb_release -a to verify that your system is running Ubuntu 18.04 LTS.

Please note that this process may take some time and it’s recommended to follow the official AWS documentation and make sure to have a backup before proceeding.

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