| Headlines |
| 2026-02-27 |
Jails for NetBSD available for testing |
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One powerful feature for process isolation that has been popular on FreeBSD is a jail. A jail is similar to a container on Linux, an isolated environment which is lighter than a full featured virtual machine and which uses the host operating system's kernel. The concept of jails is coming to NetBSD, thanks to the appropriately named Jails for NetBSD project. "Jails for NetBSD aims to bring lightweight, kernel-enforced isolation to NetBSD. It is designed to fill the operational gap between simple chroot environments and full virtualization systems such as Xen. The goal is to enable running multiple workloads on a single host with: Strong process isolation; per-jail resource control; supervised runtime behavior; unified lifecycle management; centralized logging; Prometheus-compatible metrics." Jails for NetBSD is not yet part of the official NetBSD operating system, but an ISO based on NetBSD 10.1 is available for people who wish to test the jails concept.
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