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🚀 VM vs Container

DEV Community·Shishir Bhuiyan·about 1 month ago
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The fundamental difference between a Virtual Machine (VM) and a Container lies in their level of isolation and how they share resources. Virtual Machine (VM): Hardware-Level Virtualization A VM operates at the hardware level. Using a 'Hypervisor', a physical server is divided into slices, and a complete, separate Guest Operating System (OS) is installed on each slice. Isolation: Each VM is highly secure and self-contained. Resource Usage: Because each VM carries its own full OS, it consumes a significant amount of RAM and storage. Speed: Due to the heavy OS overhead, VMs take a considerable amount of time to boot up. Container: OS-Level Virtualization A container operates at the Operating System level. Instead of carrying its own OS, it shares the 'Kernel' of the host machine. Isolation: Application files are isolated in a way that they "think" they are on a separate system, while they are actually running lightly on the same host OS.…

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