CloudLinux OS is one of the popular operating system specially designed for website hosting providers to improve server stability and security. There are two specialized versions of CloudLinux available – CloudLinux OS Legacy and CloudLinux OS Shared Pro. In this guide by owrbit, we will help you explore the comparison between CloudLinux OS Legacy and CloudLinux OS Shared Pro to help you choose the right option for your hosting needs.

By understanding the unique features and benefits of each version, you can make an informed decision on which operating system best suits your hosting requirements. Let’s explore it deeper into the differences between CloudLinux OS Legacy and CloudLinux OS Shared Pro to help you make the right choice for your web hosting needs.

Introduction :

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CloudLinux OS Legacy :

CloudLinux OS Legacy is the original version of CloudLinux OS, widely used in shared hosting environments to improve server stability, density, and security. It introduced many of the core features that have been further enhanced in the Shared Pro version.

CloudLinux OS Shared Pro :

CloudLinux OS Shared Pro is an advanced version of CloudLinux OS designed specifically for shared hosting environments. It offers enhanced security, performance, and stability to ensure optimal operation for hosting providers and their clients.

Key Features :

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CloudLinux OS Shared Pro :

• Advanced Resource Management:
  • LVE Manager: Limits and monitors CPU, IO, memory, and concurrent connections per user to prevent a single user from affecting others.
  • MySQL Governor: Controls MySQL resources and prevents MySQL overuse.
• Enhanced Security:
  • SecureLinks: Prevents symlink attacks.
  • CageFS: Isolates each user’s file system, protecting sensitive information and preventing privilege escalation.
  • Imunify360 Integration: Provides advanced security, including malware detection, patch management, and proactive defense.
• Performance Optimization:
  • Mod_lsapi: A high-performance PHP handler that is faster and uses less memory than traditional handlers.
  • AccelerateWP: Optimizes WordPress performance and accelerates site speed.
• Improved User Experience:
  • HardenedPHP: Provides security updates and patches for older PHP versions that are no longer supported by the community.
  • MultiPHP: Allows users to select different PHP versions for their sites.
• Ease of Use:
  • Extended LVE Stats: Provides detailed usage statistics for better resource management.
  • Automated Updates: Ensures the system is always up-to-date with the latest features and security patches.

CloudLinux OS Legacy :

• Resource Management:
  • LVE Manager: Manages and limits the resources available to each tenant, ensuring no single user can monopolize resources.
  • MySQL Governor: Monitors and controls MySQL database usage to prevent abuse.
• Security:
  • CageFS: A virtualized file system that encapsulates each user in their own “cage,” preventing users from seeing or affecting each other’s data.
  • HardenedPHP: Maintains security for older PHP versions by backporting security patches.
• Stability:
  • SecureLinks: Protects against symbolic link attacks.
  • KernelCare: Provides rebootless kernel updates, enhancing server uptime and security.
• Compatibility:
  • Multiple PHP Versions: Allows hosting multiple PHP versions simultaneously, catering to different application needs.
  • Python Selector: Lets users choose different Python versions and manage Python applications.
• Performance:
  • Mod_lsapi: A lightweight, high-performance PHP handler that improves loading times and server response.

Pricing Comparison :

CloudLinux OS Legacy :

• For single server : $15/month
• For 2-4 servers : $14/month
• For 5-49 Servers : $12/month
• For more than 50 servers : $9.9/month

CloudLinux OS Shared Pro :

• For single server : $18/month
• For 2-4 servers : $16/month
• For 5-49 Servers : $14/month
• For more than 50 servers : $13/month

Security Features :

CloudLinux OS Shared Pro :

1. KernelCare: Provides automatic kernel patching to ensure the server is always protected against known vulnerabilities without requiring reboots.
2. Imunify360: Integrated security suite that includes an advanced firewall, malware scanner, and a real-time threat intelligence network to protect against various types of attacks.
3. LVE Manager: Limits resource usage (CPU, memory, disk I/O) for each user, preventing any single user from affecting the performance of others, and isolating each user’s processes to enhance security.
4. CageFS: A virtualized file system that encapsulates each user’s environment, protecting against cross-user attacks and unauthorized access to system files.
5. PHP Selector: Allows users to choose the PHP version and extensions for their websites, providing more control over security configurations and updates.
6. SecureLinks: Protects against symbolic link attacks by ensuring that users cannot create symbolic links that point to sensitive files or directories.

CloudLinux OS Legacy :

1. KernelCare: While KernelCare is available, it might be limited in scope or features compared to the latest offerings in Shared Pro.
2. Imunify360: May not be included or may have limited features compared to the Shared Pro version.
3. LVE Manager: Provides resource limitations but might lack some of the advanced configurations or optimizations present in the Shared Pro version.
4. CageFS: Still offers user environment isolation, but newer versions in Shared Pro may have additional features or improvements.
5. PHP Selector: Basic PHP version management, possibly with fewer options or less control compared to Shared Pro.
6. SecureLinks: Available, but newer security measures might not be as robust as in Shared Pro.

Summary :

CloudLinux OS Shared Pro generally provides more advanced and integrated security features compared to the Legacy version. The Shared Pro version includes enhanced tools like Imunify360, improved resource management, and updated security measures, while the Legacy version offers more basic security features. If security is a critical concern, the Shared Pro version is likely the better choice due to its more comprehensive and up-to-date protection capabilities.

Comparison Table Between CloudLinux OS Shared Pro & CloudLinux OS Legacy :

Conclusion :

When choosing between CloudLinux OS Legacy and CloudLinux OS Shared Pro for your hosting needs, the Shared Pro version generally offers more advanced features and better protection.

• CloudLinux OS Shared Pro provides enhanced security tools like Imunify360, improved resource management, and more robust protection against various attacks. It’s ideal if you need the latest security features and performance optimizations for a shared hosting environment.
• CloudLinux OS Legacy is a solid option for basic needs, offering essential features like resource management and security but without some of the advanced enhancements found in Shared Pro.

In summary, if you want the best security and performance for your hosting environment, CloudLinux OS Shared Pro is the better choice. If your needs are more basic, CloudLinux OS Legacy will still serve you well.

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