Linux is a free, open-source, and very lightweight operating system. It is highly customizable and can easily be optimized to perform specific tasks very quickly. It is more stable, secure, and scalable than the other operating systems, making it the best option when it comes to choosing an operating system for Servers. The variety of options Linux provides makes it very unique. There are hundreds of different Linux distributions available on the web, which makes the already difficult process of choosing the correct distribution even more confusing.
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The first question the IT administrators face is which distribution they will be using for their Servers. This question has no single correct answer. Most of the time, it just comes down to personal choice/preference. But there are other factors you need to look at while choosing the right distribution, like flexibility, reliability, and the task at hand. This post will discuss the top ten Linux distributions for servers. We will discuss why these options are one of the best out there. So let’s begin.
1. UBUNTU Server
We’ll start with Ubuntu as it is the most popular and well-known distribution of Linux. It needs no introduction as most people who are familiar with Linux also know about Ubuntu. This distribution is based on Debian and is mostly composed of open-source software. It is free and accessible for everyone. It has three different editions:
Server Desktop Core
Ubuntu also has an LTS version which offers five years of Long Term Support. By using this version, you’ll get essential security updates every five years and you won’t even have to upgrade to a newer version. Moreover, it supports a variety of processors like x86 and ARM64. It comes with many pre-installed features and tools that make it suitable for various types of servers such as files, email, and media servers. The company behind Ubuntu, Canonical, has now released Ubuntu Cloud, which supports various cloud-based platforms. Website: https://ubuntu.com/server Minimum Requirements
RAM: 1 GB Hard Drive: of 2.5 GB CPU: 1 GHz
Key Features
Regular Updates 5 Years Support of LTS High Scalability Ubuntu Cloud
2. DEBIAN Server
The second distribution on our list is Debian. It is one of the oldest Linux distributions which has stood the test of time. Many distributions such as Ubuntu, use Debian as their base. This distribution lacks the latest features, but its unparalleled stability covers up the shortcomings. It has a powerful software packaging system and comes with 50000+ packages. Debian supports many computer architectures such as amd64 and Aarch64.
Debian also offers Long term and Extended Long term versions. It also has three different editions:
Stable Unstable Testing
As the name suggests, the stable version offers stability and security. The unstable version has the latest features but can break down at any point. The testing version also has up-to-date software but breaks less often than the unstable version. Website: https://www.debian.org/ Minimum Requirements
RAM: 256MB Recommended RAM: 512MB Hard Drive: 2 GB Processor: 1GHz
Key Features
Stability Security Strong Package manager with a high number of Packages Extensive Hardware Support Smooth Upgrades
3. FEDORA Server
The third distribution on our list is Fedora. It is a community-developed distribution that delivers the latest in open-source, free software. It serves as the testing ground for RHEL distribution. It has various editions for different user types, such as desktop computer users, servers, IoT devices, and cloud computing. It has all the latest features but those come at the cost of a short life cycle. Website: https://getfedora.org/
Minimum Requirements
RAM: 128MB Hard Drive: 1 GB Processor: 2GHz
Key Features
Latest Software Dynamic Firewall Active Development
4. Red Hat Enterprise Linux (RHEL)
RHEL, short for Red Hat Enterprise Linux, is an open-source Linux distribution developed by Red Hat, Inc. based on Fedora and does not offer the cutting-edge software that Fedora provides. But it does offer more stability and an LTS version with a 10-year lifespan. RHEL was made for commercial purposes and provided enterprise-level support. It is a paid Linux distribution, unlike almost all other distributions in this list. However, Red Hat Inc does freely provide its source code.
This Linux distribution offers one of the longest long-term support. With this distribution, you get a ton of exclusive tools and software. This distribution is best suited for cloud-based servers and data centers. Minimum Requirements
RAM: 512 MB Hard Drive: 1 GB Processor: 2GHz
Key Features
10 Years of LTS (Long Term Support) Kernel Patching Without Reboot
5. OpenSUSE Leap
The next distribution on our list is famous for its adaptability and flexibility. It is available for desktop computers, laptops, servers, and notebooks. It has two different releases:
Leap Tumbleweed
Leap is the standard release, while Tumbleweed is the rolling release of OpenSUSE. Most people prefer Leap for its stability. It has a cloud-agnostic design and has multi-mode architecture. This distribution has a great community that can help the users if they face any problems. OpenSUSE does not have a separate ISO image for servers. Instead, its default installer has the option for server installation. Website: https://www.opensuse.org/ Minimum Requirements
RAM: 1 GB Hard Drive: 10 GB Processor: 1.6 GHz
Key Features
Stable Variety of Tools
6. SUSE Linux Enterprise Server
The sixth distribution on our list is SLES. It is based on OpenSUSE, just like RHEL is based on Fedora. OpenSUSE and SUSE Linux Enterprise Server have the same parent company, SUSE, a Germany-based open-source software company. SLES is a commercial product of SUSE, while OpenSUSE is their non-commercial distro. SLES has long gaps between new releases. SLES products undergo intense testing, and only the most stable and mature components are added to the final product.
Website: https://www.suse.com/products/server/ Minimum Requirements
Hard Drive: 3.5 GB RAM: 512 Processor: 1GHz
Key Features
LTS Flexible and Configurable Powerful Tools
7. Oracle Linux
Next up, we have Oracle Linux, which is an open-source Linux distribution compiled from RHEL source code. This distribution is packaged and distributed by Oracle and is compatible with RHEL’s application library. It offers powerful tools which make it suitable for memory management and file organization. It can be used for virtual environments and data systems.
This distribution is entirely free. However, Oracle does offer paid premium support. It is a competitor of RHEL and is best for small to large-scale enterprises. Minimum Requirements
Hard Drive: 1 GB RAM: 1 GB Processor: 1 GHz
Key Features
RHEL compatibility Tools for network stacking
8. Arch Linux
The eighth distribution on our list has been decreasing in popularity in recent times. It is not beginner-friendly and is suitable for experienced users as it does not offer the level of supporting the other distributions in this list do. ArchLinux is a general-purpose distribution and can be heavily customized according to one’s needs.
If you’re looking for secure, lightweight distribution, and can be customized according to one’s needs, then ArchLinux is the best option out there. Minimum Requirements
Hard Drive: 2 GB RAM: 512 MB Processor: 1GHz
Key Features
Heavily Customizable For Experienced Users Extremely lightweight and Stable
9. Slackware OS
This is another distribution that is suitable for experienced Linux users. It does not offer any official support. This distribution is mainly suited for people who are comfortable with using the terminal as it does not offer graphical installation. It does not have auto-dependency resolution as well. These characteristics make it extremely lightweight and stable, enabling it to run on even a decade-old system.
The administration and configuration of Slackware are handled mainly by simple text files and shell scripts. Although this distribution is extremely lightweight, it still comes with a lot of powerful development tools. Minimum Requirements
64MB RAM (1GB+ suggested) Hard Drive: 100MB (1GB recommended) Processor: 486 processor
Key Features
For experienced users Extremely lightweight and stable It runs on older systems Thriving community
10. Mageia Linux
The last distribution on our list is a fork of Mandriva called Mageia. It is known for its user-friendly environment and graphic driver support. It is a community-driven simple, secure, stable, and flexible distribution.
This distribution is relatively new and comes with lots of powerful tools and packages. Minimum Requirements
Any AMD, Intel, or VIA processor 512 MB RAM 5 GB Hard Drive
Key Features
Support for various types of servers and databases Community-based
Conclusion
As you can see, each Linux distribution is unique and is customized and optimized for a certain task. So the decision of choosing the right Linux server just comes down to two things, i.e., personal preference and the task at hand.
