Installing Ubuntu on Google Cloud Platform
Quick intro on installing Ubuntu Virtual Machine on Google Cloud Platform
when the registration is done you should be in your dashboard, which looks similar to this:

Google Cloud Platform Dashboard
Now navigate from the main menu to VM Instances dashboard: (Main Menu --> Compute Engine --> VM Instances)

VM Instance Dashboard
Click on "Create"

Let's name our server (VM instance): cardano-core
Region: choose what's best (or which is cheaper: in US Iowa is usually the cheaper - in EU: Finland)
Let's edit the Machine configuration: choose N1 Server: 2vCPU server with 7,5GB RAM (this will cost us ~49USD per month)

Now let's choose Linux flavor and boot disk size, click on the "Change" button:

Let's go for Ubuntu 20.04 LTS with 100GB disk space:

click select, and that's it, we are ready to go: