AWS Lightsail upgrade Ubuntu 16.04 LTS to 18.04 LTS

To upgrade an Ubuntu 16.04 LTS instance on Amazon AWS Lightsail to Ubuntu 18.04 LTS, you will need to create a new instance using the Ubuntu 18.04 LTS image, and then migrate your data and applications from the old instance to the new one.

Here is a general outline of the steps you will need to follow to upgrade an Ubuntu 16.04 LTS instance on AWS Lightsail to Ubuntu 18.04 LTS:

1. Create a snapshot of your existing Ubuntu 16.04 LTS instance on AWS Lightsail, so that you can restore it if necessary.
2. Create a new Ubuntu 18.04 LTS instance on AWS Lightsail, using the same instance size and location as your existing instance.
3. Connect to your new Ubuntu 18.04 LTS instance using SSH, and update the package repositories and installed packages.
4. Transfer your data and applications from the old Ubuntu 16.04 LTS instance to the new Ubuntu 18.04 LTS instance. This will typically involve copying files using scp or rsync, and reconfiguring any applications that were installed on the old instance.
5. Test your applications on the new Ubuntu 18.04 LTS instance to ensure that they are functioning properly.
6. Once you are satisfied that everything is working properly on the new instance, you can delete the old Ubuntu 16.04 LTS instance.