Rootless Containers/Pods that run systemd, Docker, and even Kubernetes
Hi HN, this is Cesar and Rodny, developers of an open-source container runtime called Sysbox, and co-founders of a startup called Nestybox (YC S20). We launched on HN almost a year ago and got excellent feedback then (https://news.ycombinator.com/item?id=24084758). Happy to say that over the past year, Sysbox has continued to gain traction, particularly for securing containers in production, CI/CD, and containerized dev environments. We wanted to announce an important new feature: integration between Sysbox and Kubernetes. As a quick refresher, Sysbox is a "runc" that…
Rootless Containers/Pods that run systemd, Docker, and even Kubernetes launched on July 27, 2021 with 10 votes, #1,371 of 3,502 launches that month and more than 75% of that year's launches.
In plain words
Sysbox is an open-source container runtime that enables rootless containers to run system software like systemd, Docker, and Kubernetes alongside traditional microservices. It enhances container isolation through Linux user-namespacing and filesystem virtualization, and integrates with Kubernetes for production deployments. Designed for developers and operators, it strengthens security in containerized environments, CI/CD pipelines, and development setups.
written from the facts on this page · September 2026
From the sources
In the maker’s words, at launch
Hi HN, this is Cesar and Rodny, developers of an open-source container runtime called Sysbox, and co-founders of a startup called Nestybox (YC S20). We launched on HN almost a year ago and got excellent feedback then (https://news.ycombinator.com/item?id=24084758). Happy to say that over the past year…
Does a similar job
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Devbox – Easy, predictable shells and containers2022 · github.com · ▲515Devbox is a command-line tool that lets you easily create isolated shells and containers. You start by defining the list of packages required by your development environment, and devbox uses that definition to create an isolated environment just for your application. In practice, Devbox works similar to a package manager like yarn – except the packages it manages are at the operating-system level (the sort of thing you would normally install with brew or apt-get). See it in action: https://youtu.be/WMBaXQZmDoA
I've built a nice home server OSApr 2026 · lightwhale.asklandd.dk · ▲194ohai! I've released Lightwhale 3, which is possibly the easiest way to self-host Docker containers. It's a free, immutable Linux system purpose-built to live-boot straight into a working Docker Engine, thereby shortcutting the need for installation, configuration, and maintenance. Its simple design makes it easy to learn, and its low memory footprint should make it especially attractive during these times of RAMageddon. If this has piqued your interest, do check it out, along with its easy-to-follow Getting Started guide. In any event, have a nice day! =)
- DCDevbox – Containers for better dev environments2025 · devbox.ar0.eu · ▲116
I've been frustrated with dependency hell and clutter on my VPS from dev, so I built Devbox: a lightweight, open-source CLI tool that spins up isolated development environments using Docker. Each project runs in its own container, but your code stays in simple flat folders on the host machine—no messing with volumes or sync issues. Environments are disposable, so you can nuke and recreate them without losing your work. Key features: - Instant setup: `devbox init my-project` and you're in a fresh env with `devbox shell`. - Configurable via JSON: Define packages, services, and more in a…

Signadot2022 · signadot.com · ▲187Hi again HN, we’re Arjun and Anirudh, founders of Signadot (YC W20). Signadot helps teams developing microservices test their changes using lightweight environments called “Sandboxes”. We use a relatively new approach, using traffic labeling (using OpenTelemetry) and request routing (using a Service Mesh) to isolate environments in a shared Kubernetes cluster. Today, we’re launching a new feature to help developers with local testing of microservices during the iterative development process. When we initially launched in September last year…
Drop – a rootless Linux sandbox with gVisor support29d ago · droprun.sh · ▲193Drop: a rootless Linux sandbox for developers. It isolates coding agents and third-party packages while preserving your work environment.
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