What operating systems are supported by a Cloud Server?
Your one.com Cloud Server supports a range of Linux distributions, and Windows Server is available on the dedicated Windows VPS plan. This article lists every supported operating system and version, and which one comes pre-installed by default.
Additional distributions and versions are added periodically, and this article is updated whenever that happens.
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Linux distributions
Ubuntu 26.04 is pre-installed by default when you order a Cloud Server. You don't need to choose an operating system when ordering.
If you want a different distribution, order your server first, then switch it using the steps for: Redeploy your Cloud Server to reinstall from scratch.
Linux distribution Available versions Ubuntu 26.04, 24.04, 22.04 Debian 13, 12 AlmaLinux 10, 9, 8 CentOS 10, 9 openSUSE 16 FreeBSD 15.0, 14.4 -
Windows Server
Windows Server is available on our dedicated Windows VPS plan, in both GUI and Core editions.
If you're on this plan, you can also switch between Windows editions and versions using the steps for: Redeploy your Cloud Server to reinstall from scratch.
Windows edition Available versions Windows Server GUI 2025, 2022 (DE, EN) Windows Server Core 2025, 2022 (DE, EN) -
Can I switch to a different OS after ordering?
Yes, you can switch via a redeploy. See Redeploy your Cloud Server to reinstall from scratch for step-by-step instructions.
Redeploying erases all data on your server.
This replaces everything on your Cloud Server with a fresh install. Backup or take a snapshot first if you need to keep anything. -
What's the difference between Windows Server GUI and Core editions?
GUI includes the full desktop interface and supports RDP.
Core is a lightweight, command-line-only edition managed via PowerShell remoting or the web console.
If you need RDP access, choose a GUI edition.
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