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Virtualization
- Process of creating the simulation of virtual machines, OS, storage and network etc.
- Running multiple OS on single physical machine.
- Logically dividing the server into smaller parts for better resource utilization.
- Instead of having one OS per computer, you can run many OSes — like Windows, Linux, etc.
- Helps in implementing virtualization.
- Simulates entire machines (with full OS).
- It allows multiple operating systems to run on a single physical machine by isolating them into separate VMs.
- It is a lightweight best suited for microservices.
- Example : Full stack website where backend is stressed you directly scale it without compormising frontend and database ?.
- It is a VM without OS.
- Hold and wrap all the dependencies that are required to run the application.
- Example : Solves popular issue exact same code is running in my system and not running in yours ?.
- Containers share the host OS kernel, so you cannot run a completely different OS.