'''CloudLinux OS''' is a [[Linux distribution]] marketed to [[shared hosting]] providers. It is developed by software company CloudLinux, Inc.<ref>{{cite web|title=CloudLinux to Demonstrate I/O Limits|url=http://linux.softpedia.com/blog/CloudLinux-to-Demontrate-I-O-Limits-270253.shtml|publisher=[[Softpedia.com]]|accessdate=19 September 2015}}</ref> CloudLinux OS is based on the [[CentOS]] [[operating system]]; it uses the [[OpenVZ]] [[Linux kernel|kernel]] and the [[rpm (software)|rpm]] [[package manager]].<ref>{{cite web|title=CloudLinux Launches KuberDock Public Beta|url=http://www.wboc.com/story/29641054/cloudlinux-launches-kuberdock-public-beta|publisher=[[WBOC-TV]]|accessdate=19 September 2015}}{{dead link|date=June 2018}}</ref><ref>{{cite web|title=CloudLinux Releases MySQL Governor|url=http://www.thehostingnews.com/cloudlinux-releases-mysql-governor-28641.html|publisher=The Hosting News|accessdate=22 September 2015|archive-url=https://web.archive.org/web/20150818095418/http://www.thehostingnews.com/cloudlinux-releases-mysql-governor-28641.html#|archive-date=August 18, 2015|url-status=dead|df=mdy-all}}</ref>
CloudLinux was founded in 2009 by Igor Seletskiy. The first version of CloudLinux OS was released in January 2010.
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== Overview ==
CloudLinux OS provides a modified kernel based on the OpenVZ CentOS operating systemkernel. 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.<ref>{{cite web|title=CloudLinux Releases New Inode Limits Feature for cPanel|url=http://www.thewhir.com/web-hosting-news/cloudlinux-releases-new-inode-limits-feature-for-cpanel|publisher=TheWhir.com|accessdate=19 September 2015}}</ref> Switching to CloudLinux OS is performed by a provided cldeploy script which installs its kernel, switches yum repositories and installs basic packages to allow LVE to work. After installation the server requires rebooting to load the newly installed kernel. CloudLinux OS doesn’t modify existing packages, so it is possible to boot the previous kernel in the regular way.<ref>{{cite web|title=CloudLinux OS – mariaż pingwina z chmurą w imię hostingu|url=http://biznes.newsweek.pl/cloudlinux-os-mariaz-pingwina-z-chmura-w-imie-hostingu,artykuly,364351,1.html|publisher=[[Newsweek Polska]]|accessdate=19 September 2015|archive-url=https://web.archive.org/web/20150925104800/http://biznes.newsweek.pl/cloudlinux-os-mariaz-pingwina-z-chmura-w-imie-hostingu,artykuly,364351,1.html|archive-date=September 25, 2015|url-status=dead}}</ref><ref>{{cite web|title=Web Hosting Centric OS|url=http://webhostmagazine.com/awards/web-hosting-centric-os/|website=[[Web Hosting Magazine]]|accessdate=22 September 2015|archive-url=https://web.archive.org/web/20150523192602/http://www.webhostmagazine.com/awards/web-hosting-centric-os/|archive-date=May 23, 2015|url-status=dead}}</ref><ref>{{cite web|title=Inside CloudLinux's New Linux-Based Cloud OS|url=http://www.thewhir.com/web-hosting-news/inside-cloudlinuxs-new-linux-based-cloud-os|publisher=TheWhir.com|accessdate=22 September 2015}}</ref>
