• Linux Containers and Virtualization. A Kernel Perspective by Shashank Mohan Jain
• Firecracker is an open source virtualization technology that is purpose-built for creating and managing secure, multi-tenant container and function-based services
• vk.com/understanding_virtualization
• YouTube
  • Write Your Own Emulator for Your Own CPU - Using a Raspberry Pi Pico by Gary Explains

Wikipedia

• Software-defined data center
  • all elements of the infrastructure — networking, storage, CPU and security – are virtualized and delivered as a service
• Firecracker (software)

Books

• Virtualization Essentials by Matthew Portnoy - 336 pages

Proxmox

• 10 useful home projects you should build with Proxmox