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Incus: System Containers vs. Virtual Machines – A Deep Dive

2025-08-28

Incus supports two instance types: system containers and virtual machines. System containers leverage Linux kernel features for isolation, are Linux-only, and consume fewer resources. Virtual machines use hardware virtualization for isolation, allowing different operating systems but consuming more resources. Application containers (like Docker) package single applications, while system containers simulate a full OS, suitable for multiple applications and creating separate user spaces. Choose system containers for better performance and smaller size if all functionality is compatible with the host kernel; otherwise, use virtual machines.

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Incus: A Next-Gen Container and VM Manager

2025-07-12

Incus is a next-generation system container, application container, and virtual machine manager offering a public cloud-like experience. Easily mix and match containers and VMs, sharing the same underlying storage and network. Image-based, supporting numerous Linux distributions, Incus scales from laptops to server racks, accommodating diverse storage and network types. Manage instances via command line, REST API, or third-party tools. Developed by many of the original LXD creators, Incus boasts a feature-rich design including security, scalability, event logging, and remote access. It supports system containers, application containers, and virtual machines.