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Head-to-head · Server Operating System

Debian vs AlmaLinux OS

  • Updated Oct 2026
  • Both researched from official sources
  • 1 check side by side
Higher score Debian #2 in Server Operating System 9.3/10 Free plan Free plan✓ 0 of 4 features Visit Debian
AlmaLinux OS #3 in Server Operating System 9.2/10 Free plan Free plan✓ 0 of 4 features Visit AlmaLinux OS

Debian leads on 0 checks, AlmaLinux OS 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 scoreDebian · 9.3/10
  • Free planboth

Debian scores higher on our rubric for server operating system: 9.3 against 9.2 out of 10; our editors rank them #2 and #3.

Debian is the better fit for stable, broadly compatible general-purpose servers. AlmaLinux OS is the better fit for RHEL-compatible enterprise servers without license fees.

  • Debian fits best

    Stable, broadly compatible general-purpose servers

  • AlmaLinux OS fits best

    RHEL-compatible enterprise servers without license fees

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature Debian 9.3/10 Visit ↗ AlmaLinux OS 9.2/10 Visit ↗
At a glance
Editor score 9.3 9.2
Ranking #2 in Server Operating System #3 in Server Operating System
Best for Stable, broadly compatible general-purpose servers RHEL-compatible enterprise servers without license fees
Pricing model Free Free
Starting price Free plan Free plan
Free plan ✓ ✓
Free trial — —
Deployment Cloud, Self-hosted Cloud, Self-hosted
Platforms Linux Linux, Windows
Support Docs, Community Docs, Community
Built for Solo, Small business, Mid-market, Enterprise Small business, Mid-market, Enterprise
Features Debian 0/4 · AlmaLinux OS 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, open-source system with more than 70,000 software packages
  • APT handles package installation, removal and distribution upgrades
  • Images support physical systems, OpenStack, QEMU, EC2 and Azure
  • About 10 years of support for each major version
  • Official images cover cloud providers, containers, WSL and live media
  • ELevate supports migrations between major versions of RHEL-derived distributions
Cons
  • Support is provided through documentation and community channels
  • No AI features are included
  • 32-bit i386 support is limited to co-architecture use on amd64
  • Minor versions reach end of life when the next minor version is released
  • Support channels are documentation and community
  • Cloud-provider infrastructure may still incur charges
Our verdict

Debian is a free, open-source operating system from the Debian Project for general-purpose servers, personal computers and cloud environments. Systems use the Linux or FreeBSD kernel, include system utilities and access to more than 70,000…

Read the review →

AlmaLinux OS is a free, open-source Linux distribution for servers, workstations, virtual machines, cloud deployments and containers. Maintained by its community and nonprofit foundation, it aims for compatibility with Red Hat Enterprise…

Read the review →
  1. DebianServer Operating System 9.3Free plan
  2. AlmaLinux OSServer Operating System 9.2Free plan

Strengths and trade-offs

  • Debian — where it wins

    • Free, open-source system with more than 70,000 software packages
    • APT handles package installation, removal and distribution upgrades
    • Images support physical systems, OpenStack, QEMU, EC2 and Azure

    Where it doesn't

    • Support is provided through documentation and community channels
    • No AI features are included
    • 32-bit i386 support is limited to co-architecture use on amd64

  • AlmaLinux OS — where it wins

    • About 10 years of support for each major version
    • Official images cover cloud providers, containers, WSL and live media
    • ELevate supports migrations between major versions of RHEL-derived distributions

    Where it doesn't

    • Minor versions reach end of life when the next minor version is released
    • Support channels are documentation and community
    • Cloud-provider infrastructure may still incur charges

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