# CloudLinux OS

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Linux distribution

Linux distribution

CloudLinux OS Developer CloudLinux, Inc. OS family Linux (Unix-like) Working state Current Initial release January 2010; 16 years ago (2010-01) Available in English Kernel type Monolithic kernel Official website cloudlinux.com

**CloudLinux OS** is a [commercial](/source/Commercial_software) [Linux distribution](/source/Linux_distribution) marketed to [shared hosting](/source/Shared_hosting) providers. It is developed by software company CloudLinux, Inc.[1] CloudLinux OS is based on the [CentOS](/source/CentOS) [operating system](/source/Operating_system); it uses the [OpenVZ](/source/OpenVZ) [kernel](/source/Linux_kernel) and the [RPM](/source/RPM_Package_Manager) [package manager](/source/Package_manager).[2][3]

## Overview

CloudLinux OS provides a modified kernel based on the OpenVZ kernel. The main feature is the Lightweight Virtual Environment (LVE) – a separate environment with its own CPU, memory, IO, IOPS, number of processes and other limits.[4] Switching to CloudLinux OS is performed by a provided cldeploy script which installs its kernel, switches [yum](/source/Yum_(software)) repositories and installs basic packages to allow LVE to work. After installation the server requires rebooting to load the newly installed kernel. CloudLinux OS does not modify existing packages, so it is possible to boot the previous kernel in the regular way.[5][6][7]

## Related products

### AlmaLinux

CloudLinux released the first beta for [AlmaLinux OS](/source/AlmaLinux), a free operating system intended as a substitute for CentOS, on February 1, 2021. On March 30, 2021, the same day as the first stable release, CloudLinux transferred the responsibility for development and governance of the project to the AlmaLinux OS Foundation. CloudLinux promised $1 million in annual funding to the project, but does not own the project any more.[8]

### AccelerateWP

Hosting providers using CloudLinux often offer the [WordPress](/source/WordPress) content management system to their customers. In 2022, CloudLinux developed the AccelerateWP suite of tools to diagnose slow WordPress websites and improve their performance, largely through caching.[9]

## External links

- [Official website](http://cloudlinux.com/)

## References

1. **[^](#cite_ref-1)** ["CloudLinux to Demonstrate I/O Limits"](http://linux.softpedia.com/blog/CloudLinux-to-Demontrate-I-O-Limits-270253.shtml). [Softpedia.com](/source/Softpedia.com). May 17, 2012. Retrieved September 19, 2015.

1. **[^](#cite_ref-2)** ["CloudLinux Launches KuberDock Public Beta"](http://www.wboc.com/story/29641054/cloudlinux-launches-kuberdock-public-beta). [WBOC-TV](/source/WBOC-TV). Retrieved September 19, 2015.[*[dead link](https://en.wikipedia.org/wiki/Wikipedia:Link_rot)*]

1. **[^](#cite_ref-3)** ["CloudLinux Releases MySQL Governor"](https://web.archive.org/web/20150818095418/http://www.thehostingnews.com/cloudlinux-releases-mysql-governor-28641.html#). The Hosting News. Archived from [the original](http://www.thehostingnews.com/cloudlinux-releases-mysql-governor-28641.html) on August 18, 2015. Retrieved September 22, 2015.

1. **[^](#cite_ref-4)** ["CloudLinux Releases New Inode Limits Feature for cPanel"](http://www.thewhir.com/web-hosting-news/cloudlinux-releases-new-inode-limits-feature-for-cpanel). TheWhir.com. Retrieved September 19, 2015.

1. **[^](#cite_ref-5)** ["CloudLinux OS – mariaż pingwina z chmurą w imię hostingu"](https://web.archive.org/web/20150925104800/http://biznes.newsweek.pl/cloudlinux-os-mariaz-pingwina-z-chmura-w-imie-hostingu,artykuly,364351,1.html). [Newsweek Polska](/source/Newsweek_Polska). Archived from [the original](http://biznes.newsweek.pl/cloudlinux-os-mariaz-pingwina-z-chmura-w-imie-hostingu,artykuly,364351,1.html) on September 25, 2015. Retrieved September 19, 2015.

1. **[^](#cite_ref-6)** ["Web Hosting Centric OS"](https://web.archive.org/web/20150523192602/http://www.webhostmagazine.com/awards/web-hosting-centric-os/). *[Web Hosting Magazine](/source/Web_Hosting_Magazine)*. Archived from [the original](http://webhostmagazine.com/awards/web-hosting-centric-os/) on May 23, 2015. Retrieved September 22, 2015.

1. **[^](#cite_ref-7)** ["Inside CloudLinux's New Linux-Based Cloud OS"](http://www.thewhir.com/web-hosting-news/inside-cloudlinuxs-new-linux-based-cloud-os). TheWhir.com. Retrieved September 22, 2015.

1. **[^](#cite_ref-8)** ["CloudLinux Establishes AlmaLinux Open Source Foundation, Launches First Stable Release"](https://www.businesswire.com/news/home/20210330005690/en/CloudLinux-Establishes-AlmaLinux-Open-Source-Foundation-Launches-First-Stable-Release). *Business Wire*. March 30, 2021. Retrieved June 28, 2023.

1. **[^](#cite_ref-9)** ["CloudLinux Announces Release of Production Ready Version of AccelerateWP"](http://web.archive.org/web/20250914032510/https://www.businesswire.com/news/home/20221025006007/en/CloudLinux-Announces-Release-of-Production-Ready-Version-of-AccelerateWP). *Business Wire*. October 25, 2022. Archived from [the original](https://www.businesswire.com/news/home/20221025006007/en/CloudLinux-Announces-Release-of-Production-Ready-Version-of-AccelerateWP) on September 14, 2025. Retrieved January 31, 2026.

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Adapted from the Wikipedia article [CloudLinux OS](https://en.wikipedia.org/wiki/CloudLinux_OS) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/CloudLinux_OS?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.