I set up my NTP server on Ubuntu and OPNsense for accurate time synchronization across all devices on my local network.

Google Colab is a free online tool from Google that lets you write and run Python code directly in your browser.

There are some other benefits to using an OS within a VM, like having a virtual drive that grows and shrinks based on what you need. If I need a bit more oomph, I can reconfigure my VM with more RAM ...