Getting Started (Plans, OS Selection)

An Overview of Popular Linux Distributions Categorized by Families

By the Domain India teamPublished 9 min read
Knowledge base article
Contents (7 sections)

A Linux distribution is the Linux kernel packaged with a package manager, system tools, a release schedule and, for desktops, a graphical environment. There are hundreds of them, but almost all belong to a handful of families. This overview explains the families, where each popular distribution stands in 2026, and which ones make sense for a server.

Key takeaways

Most distributions descend from Debian (APT, .deb packages), Red Hat (DNF, .rpm packages) or Arch (pacman), with a few independents such as openSUSE, Alpine, NixOS and Gentoo. For servers in 2026, choose an LTS release of Ubuntu, Debian stable, or AlmaLinux or Rocky Linux, which replaced CentOS Linux after it reached end of life (CentOS 7 in June 2024). For desktops, Linux Mint, Ubuntu and Fedora are the easiest starting points.

1. What makes a family

Distributions in one family share a package format, a package manager and usually much of their software. Knowing the family tells you which commands and documentation apply.

FamilyPackage managerRelease styleBest known for
DebianAPT (apt), .debFixed releases every two years or soServers, desktops, Ubuntu and Mint
Red HatDNF (dnf), .rpmFixed releases with long supportEnterprise servers and hosting
ArchpacmanRolling: always the newest versionsEnthusiast desktops
SUSEzypper, .rpmFixed (Leap) or rolling (Tumbleweed)Enterprise, European business
IndependentTheir ownVariesContainers, reproducible systems, learning

"Rolling release" means there are no version numbers to upgrade between: updates arrive continuously. It gives you the newest software, but less predictability, which is why servers usually run fixed releases.

2. The Debian family

  • Debian is one of the oldest community distributions, known for stability and a huge software archive. Debian 13 "trixie", released in August 2025, is the current stable version. Debian publishes a stable release roughly every two years, and the LTS project extends each one to about five years in total.
  • Ubuntu, made by Canonical, is the most widely used Linux on cloud servers. A long-term support (LTS) version comes every two years in April, with five years of standard security updates: 24.04 LTS (2024) and 26.04 LTS (2026) are the current ones. Official flavours such as Kubuntu, Xubuntu and Lubuntu swap in different desktops.
  • Linux Mint is built on Ubuntu LTS and is one of the friendliest desktops for people coming from Windows, with the Cinnamon, MATE and Xfce desktops. A Debian-based edition (LMDE) also exists.
  • Pop!_OS, from the hardware maker System76, is Ubuntu-based and aimed at developers, with its own COSMIC desktop.
  • Others: Zorin OS (a Windows-like desktop), elementary OS (a macOS-like desktop), MX Linux (Debian-based and light), Devuan (Debian without systemd) and Kali Linux (Debian-based, packed with security-testing tools, meant for professionals and not for everyday use).

3. The Red Hat family, and what happened to CentOS

  • Red Hat Enterprise Linux (RHEL) is the commercial standard in large companies: paid subscriptions, about ten years of support per major version. RHEL 10 was released in 2025; RHEL 8 and 9 are still supported.
  • Fedora is Red Hat's community distribution, where new technology arrives first. It releases about every six months and each version is supported for roughly 13 months. Fedora Workstation is a polished developer desktop; Silverblue is an immutable variant.
  • CentOS Stream sits between Fedora and RHEL: it shows what the next RHEL minor release will contain. It suits testing and development more than production servers that need to stay unchanged for years.
  • AlmaLinux and Rocky Linux are free, community-run rebuilds of RHEL, created in 2021 when CentOS Linux was ended. Both follow RHEL's major versions (8, 9 and 10) with long support, and both provide tools to migrate an existing CentOS server.
  • Oracle Linux is another free RHEL-compatible distribution, with Oracle's own optional kernel.
  • CloudLinux is a commercial RHEL-compatible distribution built for shared web hosting: it isolates each hosting account and limits the CPU and memory it can use.
Still running CentOS 7 or 8?

CentOS Linux 8 reached end of life in December 2021 and CentOS Linux 7 on 30 June 2024. Neither gets security updates any more. Move to AlmaLinux or Rocky Linux: both offer in-place migration tools, but for a production server, a fresh install and a data migration is usually the safer route. Take a full backup first either way.

4. The Arch family

  • Arch Linux is a minimal, rolling-release distribution that you assemble yourself. Its wiki is one of the best Linux references anywhere, useful even if you run something else.
  • Manjaro and EndeavourOS make Arch easier to install, with graphical installers and ready-made desktops. EndeavourOS stays closer to plain Arch.
  • Garuda Linux is an Arch-based desktop focused on gaming and performance.
  • Some Arch-based projects from older lists have since ended; ArcoLinux, for example, has been discontinued.

Arch-based systems are excellent for learning and for enthusiasts' desktops. They are rarely the right choice for a production server, because rolling updates can change behaviour without warning.

5. openSUSE and independent distributions

  • openSUSE comes as Leap (fixed releases, shared with SUSE Linux Enterprise) and Tumbleweed (rolling). Its YaST tool configures much of the system through menus.
  • Alpine Linux is tiny and security-focused, using musl libc and BusyBox. It is a very common base for Docker images.
  • NixOS describes the entire system in one configuration file, so every change can be reproduced or rolled back.
  • Gentoo compiles software from source with your own build options, and Slackware is the oldest distribution still maintained, with a deliberately traditional design.
  • Void Linux uses the runit init system instead of systemd; Solus is an independent desktop distribution.
  • Mageia and OpenMandriva continue the old Mandriva line with community releases.

Some names from older lists no longer exist: Intel discontinued Clear Linux in 2025, and Mandriva itself ended long ago.

6. Choosing a distribution for a server

Ubuntu LTS
The most documented choice for web apps, Node.js, Python and Docker. Most tutorials assume it.
Debian stable
Lean and very stable, with fewer vendor additions. A good default if you like to keep things minimal.
AlmaLinux or Rocky Linux
RHEL-compatible with long support. The usual choice for cPanel, DirectAdmin and other hosting control panels.
Fedora or CentOS Stream
Newer software, shorter or moving support. Better for testing than for a server you want to leave alone.

Four rules hold whatever you pick:

  1. Use a supported release with years of security updates left, and plan the next upgrade before support ends.
  2. Check your software's requirements first. A control panel or application may support only certain distributions and versions.
  3. Choose what you can maintain. Commands, file locations and log paths differ between families, so stick with the one your team knows.
  4. Automate security updates (unattended-upgrades on Debian and Ubuntu, dnf-automatic on the Red Hat family) and still reboot for kernel updates.

For desktops, Linux Mint, Ubuntu and Fedora Workstation are the easiest places to start.

7. Linux at Domain India

Our cPanel and DirectAdmin shared hosting servers run CloudLinux 8 (measured on our servers, September 2026), so each hosting account is isolated from the others. You do not choose or manage the operating system on shared hosting.

On a Domain India VPS you choose the distribution yourself. The VPS page lists Ubuntu, Debian, AlmaLinux, Rocky Linux, Fedora and CentOS; pick a release that is still supported, and avoid CentOS Linux 7 and 8. Our VPS is self-managed, with full root access and no control panel included, so you are responsible for updates and security. If you want a hosting control panel on the VPS, check which distributions the panel supports before you install the operating system. Prices on the card are live, per month, excluding 18% GST.

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What are the main Linux distribution families?

The main families are Debian (including Ubuntu and Linux Mint), Red Hat (RHEL, Fedora, AlmaLinux, Rocky Linux, CentOS Stream), Arch (Arch Linux, Manjaro, EndeavourOS) and SUSE (openSUSE Leap and Tumbleweed). Independent distributions such as Alpine, NixOS, Gentoo and Slackware are not based on any of them.

Is CentOS still supported in 2026?

CentOS Linux is not. CentOS Linux 8 reached end of life in December 2021 and CentOS Linux 7 on 30 June 2024. CentOS Stream still exists, but it is a preview of the next RHEL release rather than a stable rebuild. AlmaLinux and Rocky Linux are the usual replacements.

What is the difference between AlmaLinux and Rocky Linux?

Both are free, community-run distributions compatible with Red Hat Enterprise Linux, created after CentOS Linux was ended. They differ mainly in who runs them and how they build from Red Hat's sources. For most servers either works; choose the one your control panel or software vendor supports best.

Which Linux distribution is best for a web server?

For most web servers, an Ubuntu LTS release, Debian stable, or AlmaLinux or Rocky Linux. Ubuntu has the most tutorials for modern web stacks, and AlmaLinux and Rocky Linux are the usual choice for hosting control panels. Pick a release with years of security updates left.

What is a rolling-release distribution?

A rolling-release distribution, such as Arch Linux or openSUSE Tumbleweed, updates software continuously instead of publishing numbered versions. You always have the newest software, but updates can change behaviour at any time, so rolling releases are rarely used on production servers.

Can I choose the operating system on Domain India shared hosting?

No. Shared hosting servers are managed by Domain India; the cPanel and DirectAdmin servers run CloudLinux, which isolates each account. If you need to choose and control the operating system, use a Domain India VPS, which gives you full root access.

Ready to pick your own Linux? Compare VPS plans, or read Enabling and accessing jailed SSH if you want to work on the command line of your shared hosting.

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