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Rocky Linux is a free, open-source Linux distribution that is a community-driven, enterprise-grade operating system. It is designed to be a downstream build of Red Hat Enterprise Linux (RHEL), providing a stable and secure platform for servers, desktops, and other enterprise environments. Rocky Linux emerged as a successor to CentOS after CentOS shifted focus to CentOS Stream, which caused a gap for users seeking a RHEL-compatible distribution with a traditional release model.
Key Features
- Enterprise-Grade Stability:
- Rocky Linux offers long-term support and reliability, making it suitable for enterprise environments and production workloads.
- RHEL Compatibility:
- It is built to be binary-compatible with RHEL, ensuring that applications and tools designed for RHEL work seamlessly with Rocky Linux.
- Open-Source and Community-Driven:
- Governed by the Rocky Enterprise Software Foundation (RESF), Rocky Linux is developed by a community of contributors and is free to use without licensing fees.
- Frequent Updates and Security Patches:
- Regular updates ensure that Rocky Linux remains secure and up-to-date with the latest software packages.
- Wide Range of Use Cases:
- Ideal for servers, virtualization, cloud computing, containers, development, and desktop environments.
- Enterprise Ecosystem Support:
- Compatible with tools like cPanel, Plesk, Ansible, Kubernetes, Docker, and various cloud platforms (AWS, Azure, Google Cloud).
Why Choose Rocky Linux OS?
- CentOS Replacement:
- Rocky Linux fills the void left by CentOS’s shift to CentOS Stream, offering a more traditional RHEL-compatible release model.
- Stability and Security:
- It is a solid choice for businesses looking for a free, stable operating system with robust security features.
- No Vendor Lock-In:
- Rocky Linux is fully open-source and independent of any corporate control, reducing concerns about sudden changes in direction.
- Large Community Support:
- Backed by an active community, users can rely on forums, documentation, and other resources for troubleshooting and guidance.
Installation
- Download the ISO:
- Visit the RockyLinux official website to download the appropriate ISO for your system (Minimal, DVD, or Boot ISO).
- Prepare Installation Media:
- Use tools like Rufus (Windows) or Etcher (Linux/macOS) to create a bootable USB drive with the downloaded ISO.
- Install Rocky Linux:
- Boot from the installation media and follow the installation wizard:
- Choose installation language.
- Configure disk partitioning (automatic or manual).
- Set up user accounts and root password.
- Select software (minimal installation, server with GUI, etc.).
- Boot from the installation media and follow the installation wizard:
- Post-Installation Setup:
- Update the system:bashCopy code
sudo dnf update -y - Install additional software or enable repositories as needed.
- Update the system:bashCopy code
System Requirements for Rockylinux
- Minimal Requirements:
- 2 GB RAM
- 20 GB disk space
- 2 GHz dual-core processor
- Recommended Requirements:
- 4+ GB RAM
- 50+ GB disk space
- Multi-core processor
Popular Use Cases
- Web Servers:
- Hosting web applications with tools like Apache, Nginx, PHP, and databases (MariaDB/MySQL).
- Virtualization:
- Running virtual machines using KVM or containerized environments with Docker and Kubernetes.
- Development and Testing:
- A stable platform for development environments, CI/CD pipelines, and testing.
- Enterprise Applications:
- Hosting ERP, CRM, and other enterprise software solutions.
- Cloud Deployment:
- Deployable on major cloud providers like AWS, Azure, and Google Cloud with official Rocky Linux images.
Comparison with Similar Distributions
| Feature | Rocky Linux | AlmaLinux | CentOS Stream |
|---|---|---|---|
| Focus | Stability | Stability | Development Stream |
| Release Model | RHEL Clone | RHEL Clone | Pre-RHEL Updates |
| Support | Community-Driven | Community-Driven | Red Hat Backed |
| Compatibility | Full RHEL Binary | Full RHEL Binary | Upstream of RHEL |
| Updates | Regular and Stable | Regular and Stable | Frequent Changes |
Community and Support
- Forums and Discussions:
- Engage with the linux community on forums or join the official Slack workspace.
- Documentation:
- Comprehensive guides are available in the Linux Documentation.
- Commercial Support:
- Several third-party vendors offer professional support for businesses using Rockylinux.
Rocky Linux has quickly established itself as a reliable and trusted platform for enterprises, developers, and system administrators, offering a secure and stable alternative to CentOS.