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A report by Bosscher describes using a $10 OpenStick, a low-power ARM device, as a Debian homelab for services including DNS filtering, monitoring, RSS and bookmarks. The author gives memory figures for several applications, but the setup and performance claims are personal experience rather than independent testing.
In a blog report, Bosscher describes using a $10 OpenStick as a small, passively cooled homelab running Debian and a collection of self-hosted services. The setup includes DNS filtering, server monitoring, an RSS reader and an AI agent, offering a practical example of what the device can host within its 512 MB of RAM and 4 GB of storage.
Bosscher says the OpenStick cost $10 including shipping and has four 1 GHz ARM Cortex-A53 cores, 512 MB of RAM (about 450 MB usable), 4 GB of eMMC flash, Wi-Fi and a 4G modem with GPS. The device is passively cooled, which the author says makes it silent. Installation takes some work, but the report says the device runs Debian, including systemd and Podman.
The services described include AdGuard Home for DNS-based domain blocking, CastSponsorSkip for skipping sponsorships on Google Cast devices, and Cloudflare Tunnel for access to services without opening ports. Bosscher reports that about 60% of DNS queries are blocked after adding blocklists; the article does not give a measurement period or independent verification for that figure.
Other listed tools cover different jobs: Beszel monitors system resources and can send alerts, while Gatus checks whether services are available. Dozzle provides a web interface for container logs. Bosscher also runs Fusion for RSS feeds and Shiori for bookmarks and archived pages. The report gives approximate memory use for several applications, including 20 MB for Beszel’s agent and server combined, 22 MB for Fusion and roughly 10–20 MB for Shiori.
Small Hardware, Useful Services
The report matters as a grounded example for readers interested in low-cost self-hosting. It shows how a modest device can run several lightweight, useful services when their memory and storage needs are kept in view. That may be a more approachable starting point than a full server or Kubernetes cluster for someone who wants to experiment at home.
There are trade-offs. With about 450 MB of usable RAM and 4 GB of storage, this hardware is not suited to every workload, and the author’s configuration is not a benchmark. Services that fit one person’s needs may be too demanding for another setup, especially as software updates or blocklists grow. The device’s limited resources also make the author’s choices—and willingness to remove overlapping tools—part of the story.
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From Novelty Device to Debian Server
Bosscher says the purchase began as an impulse buy because the OpenStick seemed like an interesting piece of hardware. The report presents it not as a replacement for a larger server, but as a quiet, low-power home server that can run a selected group of services. Its 4G modem and GPS are listed in the hardware description, though the article does not say those features are used by the homelab software.
The author contrasts this smaller setup with a previous Kubernetes-based arrangement. Bosscher says Grafana and its monitoring stack felt powerful but excessive for the task, and describes another AI agent, OpenClaw, as using more than 1 GB of memory and causing maintenance frustration. In Bosscher’s account, Zeroclaw is a lighter alternative, using about 3 MB of resident memory while idle. These are the author’s observations, not results from a controlled comparison.
“A DNS blocker cannot block all bad requests (you’ll need a proper firewall for that), but it sure can block a whole lot.”
— Bosscher, on DNS filtering
Limits of the Reported Setup
The report does not provide independent tests of power consumption, network performance, reliability or security. Memory figures are the author’s estimates for particular applications and configurations; they may change with software versions, usage and settings. The stated 60% blocked-query share has no specified timeframe or comparison baseline.
Bosscher says Zeroclaw has access to the OpenStick in a way that is effectively a root shell, while describing the risk as limited because access is confined to that device. That is a personal risk decision, not a general security recommendation. The report also does not detail the installation steps, all service versions, or whether every listed application is continuously running at the same time.
Further Changes to the Homelab
Bosscher says a contribution to Zeroclaw is intended to add richer Telegram message support in a future version, with the pull request available to track. The report does not give a release date. The author also notes that Dozzle overlaps with Beszel in some areas and may be removed if memory becomes tight. Any further account of the setup would help clarify how the services perform together over time and whether the device’s limited storage and memory remain sufficient.
Key Questions
What is an OpenStick?
In Bosscher’s report, it is a compact device with four 1 GHz ARM Cortex-A53 cores, 512 MB of RAM and 4 GB of eMMC storage, along with Wi-Fi, a 4G modem and GPS.
What services does the $10 homelab run?
The listed software includes AdGuard Home, Beszel, Gatus, Dozzle, Fusion and Shiori, as well as CastSponsorSkip, Cloudflare Tunnel and the Zeroclaw AI agent.
Can the reported 60% DNS blocking rate be treated as typical?
No. It is Bosscher’s reported result after adding blocklists. The report does not state the measurement period, query volume or a comparison baseline, and results depend on the blocklists and network.
Is the setup independently tested?
The source is a first-person report, not an independent review. Its hardware details, software choices and memory figures are presented by the author; the article supplies no separate performance or security testing.
Source: blog.bosscher.ch
