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Head-to-head · Server Operating System

Ubuntu Server vs Fedora CoreOS

  • Updated Oct 2026
  • Both researched from official sources
  • 1 check side by side
Higher score Ubuntu Server #1 in Server Operating System 9.4/10 Free plan · 30-day trial Free planFree trial✓ 0 of 4 features Visit Ubuntu Server
Fedora CoreOS #8 in Server Operating System 8.7/10 Free plan Free plan✓ 0 of 4 features Visit Fedora CoreOS

Ubuntu Server leads on 0 checks, Fedora CoreOS on 0, and 1 is even. Who comes out ahead on the 1 yes/no, price and count check where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreUbuntu Server · 9.4/10
  • Free planboth
  • Free trialonly Ubuntu Server

Ubuntu Server scores higher on our rubric for server operating system: 9.4 against 8.7 out of 10; our editors rank them #1 and #8.

Ubuntu Server is the better fit for broad server deployments needing low-cost enterprise Linux. Fedora CoreOS is the better fit for automatically updated container-focused servers.

  • Ubuntu Server fits best

    Broad server deployments needing low-cost enterprise Linux

  • Fedora CoreOS fits best

    Automatically updated container-focused servers

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Side by side

Feature Ubuntu Server 9.4/10 Visit ↗ Fedora CoreOS 8.7/10 Visit ↗
At a glance
Editor score 9.4 8.7
Ranking #1 in Server Operating System #8 in Server Operating System
Best for Broad server deployments needing low-cost enterprise Linux Automatically updated container-focused servers
Pricing model Free plan + paid Free
Starting price $25/device/yr Free plan
Free plan ✓ ✓
Free trial 30 days —
Deployment Self-hosted, Cloud Cloud, Self-hosted
Platforms Linux Linux
Support Docs, Community · 24/7 Community, Docs
Built for Solo, Small business, Mid-market, Enterprise Small business, Mid-market, Enterprise
Features Ubuntu Server 0/4 · Fedora CoreOS 0/4
Long-term support Not checked yet Not checked yet
Live kernel patching Not checked yet Not checked yet
Container tooling Not checked yet Not checked yet
Commercial support Not checked yet Not checked yet
Specs
License model Not checked yet Not checked yet
Architecture support Not checked yet Not checked yet
Management interface Not checked yet Not checked yet
Our review
Pros
  • Free LTS releases include five years of standard security maintenance.
  • Supports six architectures and physical, virtual, cloud and edge deployments.
  • Pro adds Landscape management, Livepatch and wider package security maintenance.
  • Automatic OS updates reduce routine update work.
  • Ignition provides configuration for server deployments.
  • Images target cloud, virtual machines, and bare-metal systems.
Cons
  • Standard LTS security maintenance lasts five years without Ubuntu Pro.
  • Ubuntu Pro Server with unlimited VMs costs $500 per machine per year.
  • Landscape and Livepatch are part of the Pro offering, not the free OS.
  • Its container focus makes it less suited to general-purpose server use.
  • Stable, testing, and next streams require release-stream selection.
  • Community and documentation are the listed support channels.
Our verdict

Ubuntu Server is an open-source Linux operating system for running workloads on physical servers, virtual machines, cloud instances and IoT or edge devices. Its deployment options include a server ISO and cloud images, and it supports…

Read the review →

Fedora CoreOS is a minimal, open-source operating system for running containerized applications on servers. It is aimed at infrastructure teams that want a container-focused base across cloud instances, virtual machines, and bare-metal…

Read the review →
  1. Ubuntu ServerServer Operating System 9.4Free plan · 30-day trial
  2. Fedora CoreOSServer Operating System 8.7Free plan

Strengths and trade-offs

  • Ubuntu Server — where it wins

    • Free LTS releases include five years of standard security maintenance.
    • Supports six architectures and physical, virtual, cloud and edge deployments.
    • Pro adds Landscape management, Livepatch and wider package security maintenance.

    Where it doesn't

    • Standard LTS security maintenance lasts five years without Ubuntu Pro.
    • Ubuntu Pro Server with unlimited VMs costs $500 per machine per year.
    • Landscape and Livepatch are part of the Pro offering, not the free OS.

  • Fedora CoreOS — where it wins

    • Automatic OS updates reduce routine update work.
    • Ignition provides configuration for server deployments.
    • Images target cloud, virtual machines, and bare-metal systems.

    Where it doesn't

    • Its container focus makes it less suited to general-purpose server use.
    • Stable, testing, and next streams require release-stream selection.
    • Community and documentation are the listed support channels.

More comparisons

All server operating system comparisons → · Full ranking →

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update