CloudLinux OS

CloudLinux OS
Developer CloudLinux, Inc.
OS family Unix-like
Working state Current
Initial release January 2010
Available in English
Kernel type Monolithic kernel
Official website CloudLinux

CloudLinux OS is an operating system designed specifically for shared hosting providers, developed by computer software company CloudLinux Inc.[1] CloudLinux OS is based on OpenVZ kernel and is fully compatible with CentOS/RHEL packages. CloudLinux OS is designed to improve stability and security on server and to optimize its work on account of isolating tenants on server, setting resource usage limits for them, optimizing work with databases etc.[2][3][4][5]

The first version of CloudLinux OS was released in January 2010. In February 2011 operation system started supporting RHEL6. In April 2015 support for RHEL7 was added.[6]

Overview

CloudLinux OS provides modified kernel based on OpenVZ kernel, adding a set of original fully functional solutions. The main feature is Lightweight Virtual Environment (LVE) - a separate environment with own CPU, memory, IO, IOPS, number of processes and other limits.[7] Switching to CloudLinux OS is performed by provided cldeploy script which installs its kernel, switches yum repositories and installs basic packages to allow LVE work. After installation server requires rebooting to load newly installed kernel. CloudLinux OS doesn’t modify existing packages, so it is possible to boot previous kernel in regular way.[8][9][10]

References

  1. ↑ "CloudLinux to Demonstrate I/O Limits". Softpedia.com. Retrieved 19 September 2015.
  2. ↑ "CloudLinux OS Releases HardenedPHP, Secures Vulnerable Old PHP Versions for Hosting Providers". Benzinga.com. Retrieved 19 September 2015.
  3. ↑ "Web Host SoftLayer Offering CloudLinux OS to Customers". TheWhir.com. Retrieved 19 September 2015.
  4. ↑ "CloudLinux Launches KuberDock Public Beta". WBOC-TV. Retrieved 19 September 2015.
  5. ↑ "CloudLinux Releases MySQL Governor". The Hosting News. Retrieved 22 September 2015.
  6. ↑ "KernelCare: New no-reboot Linux patching system". ZDNet.com. Retrieved 19 September 2015.
  7. ↑ "CloudLinux Releases New Inode Limits Feature for cPanel". TheWhir.com. Retrieved 19 September 2015.
  8. ↑ "CloudLinux OS – mariaż pingwina z chmurą w imię hostingu". Newsweek Polska. Retrieved 19 September 2015.
  9. ↑ "Web Hosting Centric OS". Web Hosting Magazine. Retrieved 22 September 2015.
  10. ↑ "Inside CloudLinux's New Linux-Based Cloud OS". TheWhir.com. Retrieved 22 September 2015.
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