Frequently asked questions

Platform and cost#

Is ZimaOS free, and do I need Zima hardware?

ZimaOS offers a Community Edition for compatible generic x86-64 hardware; you do not need a Zima-branded PC. Check the current official terms and hardware notes before installing.

Is Ubuntu or Windows better?

Ubuntu offers more control and a larger server-admin ecosystem but expects more command-line knowledge. Windows is familiar and can host Minecraft, but this guide uses ZimaOS for its appliance-like dashboard and container app flow. “Better” depends on your maintenance comfort.

Is self-hosting free?

The core software can be free, but electricity, internet, hardware, drives and optional tunnel features have costs. A very power-hungry old PC may cost more over time than a small efficient replacement.

Minecraft compatibility#

Can I host Bedrock or let Bedrock players join Java?

Crafty can manage Bedrock servers, but this handbook targets Java. Projects such as Geyser can bridge Bedrock clients to some Java servers, with extra configuration and compatibility limits.

Can I run plugins on Fabric? Is Sodium a server mod?

Plain Fabric does not run Bukkit/Paper plugins. Look for a Fabric mod providing the needed feature. Sodium is mainly a client rendering mod and normally does not belong on a dedicated server.

Can I add mods later or move an existing world?

Yes, after backups. Match versions, read mod/world-generation warnings and import a copy first. Some mods affect only new chunks; some cannot be safely removed.

Will Minecraft updates break mods?

Often. Wait for each required mod and Fabric component to support the target release. Keep the old server and backup until the new stack passes a local test.

Hardware and networking#

Does it need a GPU, monitor or Ethernet?

A dedicated Java server normally does not need a powerful GPU. The monitor can be disconnected after local setup. Wi-Fi can work, but Ethernet is more stable and is strongly preferred.

Can I use a laptop or HDD?

Yes, with caveats. Keep laptop cooling clear and prevent sleep; check battery health. An HDD works but an SSD improves saves, chunks and backups noticeably.

Does the PC need to stay on? What about outages?

Yes. When the server or home internet is off, friends cannot join. A UPS can provide a brief clean shutdown, but test its integration. Crafty/ZimaOS auto-start options can bring services back after power returns.

How many players can it support?

There is no honest answer from RAM alone. CPU single-core speed, view distance, exploration, mods, farms, disk and network upload all matter. Start small, watch TPS/MSPT and raise limits only after real play.

Is port forwarding dangerous? Does Playit hide my IP?

Forwarding only TCP 25565 to an updated whitelisted server is narrower than exposing a dashboard, but it still accepts public traffic and shares your public IP with players. Playit gives players its hostname rather than your home IP, but you still rely on the agent/service and must secure Minecraft.

Can I host multiple servers or use a domain?

Yes if CPU, RAM, storage and unique ports allow it. A domain can point to your public/tunnel address, sometimes with an SRV record. Add complexity only after one server is stable.

Can I access Crafty remotely?

Do not simply forward its dashboard port. Use a private VPN or another deliberately secured remote-access method, keep strong credentials and follow Crafty’s current reverse-proxy/security documentation.