Introduction: Why Rocky Linux Migration Matters ⚡
If you’re still running CentOS in your production environment, you’re sailing in risky waters. With CentOS reaching its end-of-life (EOL) on June 30, 2024
1, enterprises are scrambling to find a secure, stable, and cost-effective alternative. Enter Rocky Linux, the community-driven RHEL clone that’s quickly becoming the go-to solution.
In this blog, we’ll explore the risks, benefits, and best practices of migrating from CentOS to Rocky Linux. Whether you’re an IT manager, DevOps engineer, or business owner, this guide will help you make informed decisions. And yes, we’ll show you how Ayaan Infratech, a leading provider of IT & DevOps services in Bangladesh, can make your migration seamless.
What Is Rocky Linux?
Rocky Linux is a free, open-source enterprise operating system designed to be 100% bug-for-bug compatible with Red Hat Enterprise Linux (RHEL). It was created by Gregory Kurtzer, one of the original CentOS founders, as a response to Red Hat’s decision to discontinue CentOS Linux
Key Features of Rocky Linux:
- Stability: Fixed release model ensures long-term reliability.
- Security: SELinux and MAC architecture for robust protection.
- Community-Driven: Built and maintained by a passionate open-source community.
- Enterprise-Grade: Ideal for production servers, cloud, and HPC environments.
Why Migrating from CentOS Is Crucial in 2025
Industry Trends & Relevance
- Security Risks: EOL CentOS no longer receives updates, making systems vulnerable 1.
- Compliance Issues: Outdated OS can lead to non-compliance with industry standards.
- Operational Downtime: Legacy systems are harder to maintain and troubleshoot.
- Cost Pressure: RHEL licensing and extended support costs are rising.
⚠️ According to recent reports, over 40% of enterprises still use EOL CentOS, risking security and compliance
Benefits of Rocky Linux Migration ✅
1. Long-Term Support
Each Rocky Linux release comes with 10 years of support, ensuring stability for mission-critical applications.
2. Cost Efficiency
No licensing fees. Rocky Linux is completely free, reducing your TCO significantly.
3. Compatibility
Rocky Linux is binary-compatible with RHEL, making it easy to migrate applications without major changes
4. Community & Commercial Support
Backed by CIQ and a growing community, Rocky Linux offers both free and paid support options.
5. Performance & Reliability
Optimized for enterprise workloads, Rocky Linux delivers high performance and minimal downtime.
Step-by-Step Guide to Rocky Linux Migration
Option 1: Using migrate2rocky Script
Ideal for CentOS 8 or RHEL 8 systems.
Steps:
- Backup your system and data.
- Download the script:
curl https://raw.githubusercontent.com/rocky-linux/rocky-tools/main/migrate2rocky/migrate2rocky.sh -o migrate2rocky.sh
chmod u+x migrate2rocky.sh
./migrate2rocky.sh -r3. Reboot and verify migration
hostnamectl⚠️ Recommended for fresh installs or staging environments
Option 2: Fresh Install & Manual Migration
High-Level Phases:
- Export users, repos, and packages (
userid.txt,repolist.txt,installed.txt) - Backup all data and configurations
- Verify hardware compatibility
- Perform a clean install of Rocky Linux
- Recreate users and repos
- Install packages and restore data
⚡ This method is safer for major version upgrades (e.g., CentOS 7 to Rocky Linux 9).
Challenges in Rocky Linux Migration & How to Overcome Them
1. Incompatibility Issues
- Solution: Use a Software Inventory or SBOM to track dependencies
2. Kernel & Driver Conflicts
- Solution: Recompile custom drivers and test in staging environments.
3. Application Crashes
- Solution: Containerize legacy apps or upgrade to compatible versions.
4. Downtime Risks
- Solution: Schedule migration during maintenance windows and use snapshots.
Real-World Success Story: Transatel’s Migration to Rocky Linux
Transatel, a telecom provider, migrated critical infrastructure (Diameter Stack, SIGTRAN Stack, IWF app) from RHEL 6.5 to Rocky Linux
Results:
- ✅ Zero downtime
- ✅ Enhanced security
- ✅ Future-proofed infrastructure
- ✅ Reduced licensing costs
This case proves Rocky Linux is ready for complex enterprise environments.
How Ayaan Infratech Can Help You Migrate Smoothly
At Ayaan Infratech, we specialize in Linux migrations, DevOps automation, and IT infrastructure modernization.
Our Services Include:
- ✅ Migration planning & risk assessment
- ✅ Scripted or manual migration execution
- ✅ Post-migration testing & optimization
- ✅ 24/7 support & monitoring
⚡ Ready to migrate? Order IT Services Now
Ayaan Infratech is your trusted partner for Rocky Linux Migration and beyond.
FAQs About Rocky Linux Migration
1. Is Rocky Linux a direct replacement for CentOS?
Yes. It’s a RHEL-compatible clone with long-term support and enterprise-grade stability
2. Can I upgrade CentOS 7 directly to Rocky Linux 9?
No. You must first migrate to CentOS 8 or Rocky Linux 8, then upgrade to Rocky Linux 9
3. What are the risks of in-place migration?
In-place upgrades can lead to hybrid-version systems, causing instability. A fresh install is safer
4. Does Rocky Linux support SELinux?
Absolutely. Rocky Linux uses SELinux for robust security just like RHEL and CentOS
5. How long does a typical migration take?
Depending on complexity, it can range from a few hours to several days. Planning is key.
6. What if my application crashes post-migration?
Use containers or contact Ayaan Infratech for compatibility testing and remediation.
7. Is commercial support available for Rocky Linux?
Yes. CIQ and partners like Ayaan Infratech offer enterprise-grade support.
Conclusion: Make the Smart Move with Rocky Linux Migration ✅
Migrating from CentOS to Rocky Linux is not just a technical upgrade — it’s a strategic decision. With CentOS EOL, the risks are too high to ignore. Rocky Linux offers a stable, secure, and cost-effective path forward.
And with Ayaan Infratech by your side, you’ll have expert guidance every step of the way.
⚡ Ready to future-proof your infrastructure?
👉 Order IT Services Now