In this blog post, we will examine Red Hat Enterprise Linux in detail. We will explain how to use it by giving examples and answer the most frequently asked questions. Let's start!

What is RHEL?

Red Hat Enterprise Linux, commonly referred to as RHEL, is a leading Linux distribution developed by Red Hat. Specifically tailored for enterprises, it serves as a robust platform for various workloads in data centers across the world. Providing a reliable, scalable, and secure foundation, RHEL seamlessly integrates with hardware and software ecosystems, making it a preferred choice for businesses aiming to harness the power of open-source technologies.

Benefits of RHEL

RHEL isn't just another Linux distribution; it's a comprehensive ecosystem designed with businesses in mind. Here are some of its standout benefits:

  • Stability and Reliability: RHEL promises a stable platform, ensuring that enterprise applications run smoothly without disruptions. Its long-term support cycles mean that businesses can rely on its consistency over extended periods.
  • Enhanced Security: RHEL integrates industry-leading security features, from SELinux to comprehensive firewall management, safeguarding systems from potential threats and ensuring compliance with industry regulations.
  • Performance: Optimized for performance, RHEL facilitates high-speed processing and supports the latest hardware and architectures, ensuring businesses can handle high-volume tasks efficiently.
  • Broad Ecosystem Support: With RHEL, organizations benefit from a vast ecosystem of certified hardware and software solutions, ensuring compatibility and smooth integration.
  • Premium Support: As a commercially-backed distribution, RHEL users can access Red Hat's world-class technical support, ensuring timely resolutions to any challenges they might face.

By offering a harmonious blend of open-source flexibility and enterprise-grade capabilities, RHEL stands out as a premier choice for organizations aiming for digital transformation.


How RHEL Is Used

Red Hat Enterprise Linux's versatility makes it a preferred choice for a variety of use cases across different industries. Its robust architecture, combined with security and performance optimizations, caters to diverse needs, ranging from basic web hosting to high-end computational workloads. Let's explore some common scenarios where RHEL proves its mettle:

Web and Application Hosting: Many enterprises and hosting providers choose Red Hat Enterprise Linux as the backbone for their web servers. Websites and applications, whether powered by Apache, Nginx, or other server software, benefit from RHEL’s stability and security enhancements.

Example: A large e-commerce platform might run its website on RHEL to ensure high availability, especially during peak shopping times like Black Friday or Cyber Monday.

Database Management: RHEL is a popular choice for database servers. Whether it's MySQL, PostgreSQL, or Oracle Database, RHEL provides the reliable environment that database-driven applications require.

Example: Financial institutions, which handle vast amounts of transactional data daily, often rely on RHEL for their database servers, ensuring consistent performance and data integrity.

High-Performance Computing (HPC): For research institutions and industries that need to perform complex computational tasks, RHEL offers the scalability and performance optimizations that HPC environments demand.

Example: Climate research centers processing and modeling terabytes of climate data to predict future weather patterns can leverage RHEL’s robustness for such intensive tasks.

Virtualization and Cloud: RHEL plays a pivotal role in many virtualized and cloud environments. Its compatibility with platforms like OpenStack and its own Red Hat Virtualization solution makes it an ideal candidate for building cloud infrastructures.

Example: A tech startup offering SaaS-based solutions might utilize RHEL within a cloud environment to ensure seamless scaling based on user demand.

Containerization and Orchestration: With the rise of container technologies like Docker and orchestration platforms like Kubernetes, RHEL has adapted by offering solutions like Red Hat OpenShift, allowing businesses to create, deploy, and scale containerized applications with ease.

Example: A media streaming company could use RHEL and OpenShift to deploy microservices, ensuring smooth streaming experiences for its users globally.

These are just a handful of scenarios that capture RHEL's adaptability and prowess. In reality, its applications are as varied as the challenges businesses face in our rapidly evolving digital landscape.


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In the last part of our article, we want to answer some of your frequently asked questions about Red Hat Enterprise Linux. 

What is the difference between RHEL and Ubuntu?

RHEL is a commercial Linux distribution with a focus on enterprise use, offering certified software, hardware, and support. Ubuntu, on the other hand, is a free and open-source distribution based on Debian, often used for both desktop and server environments. While both offer server editions, RHEL emphasizes subscription-based support and enterprise stability, whereas Ubuntu offers ease of use and a wide community-driven support system.

Why is RHEL important for enterprises?

RHEL is pivotal for enterprises due to its strong focus on system stability, security, and support. It offers long-term support versions, ensuring a consistent and secure environment over extended periods. Furthermore, its compatibility with a vast ecosystem of enterprise-grade software and hardware makes it a preferred choice for businesses.

Is RHEL free?

While the source code for RHEL is open and free to use, the commercial distribution of RHEL is not free. Red Hat offers a subscription service for RHEL, which includes support, certified hardware, updates, and tools essential for enterprise use. However, there is a free variant called CentOS, which is built from RHEL's source but doesn't come with Red Hat's commercial support.

Who uses Red Hat Enterprise Linux?

Various industries and organizations, ranging from financial institutions, governmental agencies, and tech companies, to research institutions, and data centers use RHEL. Its stability, support, and enterprise-grade features make it an ideal choice for businesses seeking a robust operating system foundation.

Is a license required to run RHEL?

Yes, to run the commercial version of RHEL and receive official support, updates, and tools from Red Hat, a subscription (often referred to as a license) is required. This subscription provides benefits like system updates, professional support, and access to certified software.

Is RHEL 7 still supported?

Starting on July 1, 2024, ELS (Extended Life Cycle) for RHEL 7 will be accessible for 4 years. For organizations to benefit from this, they must be running RHEL 7.9. ELS for RHEL 7 (RHEL 7.9) broadens the breadth of security patches compared to prior major versions by incorporating updates that address Important CVEs.

Is Red Hat Enterprise Linux a server?

Red Hat Enterprise Linux itself is not a server but an operating system. However, there are specific RHEL editions tailored for server environments, providing tools and features necessary for server deployment, management, and performance. These editions are optimized for running on server hardware and in data centers.

If you have more questions, please read these articles:

All You Need To Know About Red Hat I
All You Need To Know About Red Hat II


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