Install CloudLinux OS in cPanel.

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Introduction

Switching your cPanel server from CentOS to CloudLinux OS improves stability, security, and resource management using LVE (Lightweight Virtual Environment).

Prerequisites

  • Root SSH access to your server
  • Active cPanel installed
  • Valid CloudLinux activation key (trial or purchased)
  • Backup of your server

Implementation

Step 1: Get Activation Key

  • Obtain <activation_key> via trial or purchase

Step 2: Download Installation Script

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

Step 3: Run Installation Script

sh cpanel2cl -k <activation_key>

Step 4: If License via cPanel

sh cpanel2cl -k

Step 5: Reboot Server

reboot

Step 6: Alternative Execution (if needed)

wget http://repo.cloudlinux.com/cloudlinux/sources/cln/cpanel2cl
sh cpanel2cl -k <activation_key>
reboot

Step 7: Rebuild Apache/PHP

/scripts/easyapache --build

Conclusion

After rebooting, your server will run on CloudLinux OS kernel with LVE enabled, providing better performance isolation and stability for shared hosting environments.

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