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A report by Bosscher describes running a collection of self-hosted services on a $10 OpenStick, a small ARM device with 512 MB of RAM and 4 GB of storage. The setup includes DNS filtering, service monitoring, an RSS reader and an AI agent, though the reported memory use and performance come from the author’s experience, not independent testing.
In a blog post, Bosscher describes using a $10 OpenStick as a small, silent homelab running Debian and services including DNS filtering, monitoring, an RSS reader and an AI agent. The account shows how the device’s 512 MB of RAM and 4 GB of storage can support a modest self-hosting setup, while its limited resources constrain what can run comfortably.
Bosscher says the OpenStick cost $10 including shipping. The device has four 1 GHz ARM Cortex-A53 cores, 512 MB of RAM—about 450 MB usable, according to the post—and 4 GB of eMMC storage. It also includes Wi-Fi, a 4G modem and GPS. The writer describes it as passively cooled and silent. The post does not identify the purchase date or provide independent performance testing.
After an installation process Bosscher calls involved, the device runs Debian, with systemd for managing services and Podman for containers. The author lists several small applications, with stated memory figures ranging from about 10 MB for Gatus to 64 MB for Zeroclaw. Bosscher says the figures are approximate and reflect the applications’ use in this setup; the post does not supply a consistent measurement method for every service.
The services cover different tasks: AdGuard Home filters network requests at the DNS level; Beszel monitors system resources and can send alerts; Dozzle provides an interface for viewing Podman logs; and Gatus checks whether services are available. Bosscher also runs Fusion for RSS feeds and Shiori for bookmarks and web-page archiving. A Cloudflare Tunnel provides remote access without opening ports on the home network, according to the author.
A Low-Cost Route to Self-Hosting
The setup offers a practical example for readers who want to experiment with self-hosted software without buying a conventional server. At the reported price, the OpenStick’s small size and passive cooling make it a low-cost, low-noise way to learn Linux services, containers and basic monitoring. The value is less about replacing a full server than about running a carefully selected set of lightweight tools.
The trade-off is tight capacity. The author’s estimates leave limited memory for additional applications, and 4 GB of storage puts a ceiling on logs, archives and other data. The post is one user’s experience, not a guarantee that every listed service will perform similarly across installations or software versions. Readers considering a similar build would need to account for backups, updates, security and the device’s small storage footprint.
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What the OpenStick Runs
Bosscher frames the device as a novelty that turned into a home server. The software selection emphasizes small services that can run continuously rather than a larger, resource-intensive platform. For example, the author says Zeroclaw uses about 3 MB of RAM while idle, while a previous OpenClaw setup on a Kubernetes cluster used more than 1 GB and was frustrating to maintain. Those are Bosscher’s comparisons, not benchmark results.
The post also describes an AdGuard Home fork that Bosscher says handles large blocklists efficiently. The author reports that 60% of DNS queries were blocked after adding several lists, but does not give a measurement period or comparison baseline. That figure is an observation from the author’s network, not a general measure of what DNS filtering will block elsewhere.
For remote access and alerts, the author connects services to Telegram and uses Cloudflare Tunnel. Bosscher says the AI agent can answer questions about logs and disk space, and has access to the OpenStick but not to other systems. The post acknowledges that this amounts to a root shell on the device and that routing traffic through a third-party tunnel has privacy trade-offs.
“It uses ~3 MB RSS when idle, covers all the functionality that I need”
— Bosscher, describing Zeroclaw
Limits of the Reported Setup
The post does not state when the device was bought, which OpenStick model or firmware revision it uses, or how its memory figures were measured. It also does not report power consumption, long-term reliability, network throughput in practice or how the services perform under simultaneous load. The listed application figures should be treated as the author’s estimates rather than standardized benchmarks.
Several claims depend on the author’s specific configuration. The reported share of blocked DNS queries has no stated measurement period, and the security of the setup has not been independently reviewed. Bosscher says the AI agent has root-level access to the device, while Cloudflare Tunnel introduces a third party into remote access; the post does not detail a threat model or broader security audit.
Further Software and Setup Details
Bosscher says a future Zeroclaw version may add richer Telegram message support, with a contribution available to track through the project’s pull request. The post does not give a release date. Readers seeking to reproduce the build would need to consult the linked project documentation and installation instructions, as the blog account does not provide a complete step-by-step guide.
The next practical question for anyone copying the setup is whether the selected services fit within the device’s memory and storage once configured with real data. The author describes being willing to remove either Beszel or Dozzle if more memory is needed, but does not report carrying out that change or provide later measurements.
Key Questions
What is an OpenStick in this report?
It is a small computing device Bosscher bought for $10 including shipping. The post lists 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.
Which services does Bosscher run on it?
The listed software includes AdGuard Home for DNS filtering, Zeroclaw for an AI-agent interface, Cloudflare Tunnel for remote access, Beszel and Gatus for monitoring, Dozzle for container logs, Fusion for RSS and Shiori for bookmarks and web archiving. The author also mentions CastSponsorSkip for Google Cast devices.
Can the device run every service at once?
The author reports running the listed services, but the post does not provide an independent test or a complete measurement of total memory under load. With about 450 MB of usable RAM reported, the available capacity is limited and performance will depend on configuration and workload.
Does the report establish that the setup is secure?
No. Bosscher describes some security choices and trade-offs, including DNS filtering and using Cloudflare Tunnel without exposing ports. The author also says Zeroclaw has root-level access to the OpenStick. The post is not a security audit and does not establish that the configuration is safe for every user.
Source: blog.bosscher.ch
