Introduction

CloudLinux OS is widely used in shared hosting environments to improve server stability, security, and resource isolation. Converting a cPanel server from CentOS to CloudLinux is a simple process that takes only a few minutes.

Prerequisites

Before proceeding, ensure:

  • Root SSH access to the server
  • Existing cPanel installation
  • Valid CloudLinux OS license or trial activation key
  • Server backup recommended before migration

Implementation

Step 1: Obtain CloudLinux License

Get an activation key by:

  • Purchasing a license
  • Using a trial subscription

Step 2: Download the Conversion Script

Run:

wget http://repo.cloudlinux.com/cloudlinux/sources/cln/cpanel2cl

Step 3: Run the Conversion Script

Using activation key:

sh cpanel2cl -k <activation_key>

If the license was purchased directly from cPanel:

sh cpanel2cl -k

Step 4: Reboot the Server

reboot

Step 5: Rebuild Apache

After reboot, rebuild Apache using EasyApache:

/scripts/easyapache --build

Verification

After rebooting, verify that the server is running the CloudLinux OS kernel with LVE enabled.

Conclusion

Installing CloudLinux OS on a cPanel server improves stability and resource management for shared hosting environments by isolating users and controlling server resource usage.

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