A cPanel is a linux based control panel which provides GUI & the automation tools which are created to simplify process of hosting the web. A cPanel uses three-tier design which offers capabilities for the administrators, the resellers & the end user website owners in order to access various aspects of a web & the server administration via standard web browser.

In addition to graphic user interface, the cPanel also has a command line & API based control which permits the 3rd party software vendors, hosting organizations & the developers to make the standard system administration processes automatic. For a client, cPanel offers the front ends for a huge number of similar operations which contains the management of PGP keys, crontab tasks, FTP accounts & the mailing lists.

The cPanel manages various software packages differently from an underlying OS, thus leading to upgradation of Apache, PHP, MySQL & many related packages on its own. This is done to assure that the packages are up to date and are compatible with the cPanel, but it makes it very difficult to install the latest versions of such packages. It also makes it hard to verify that the packages have not been tampered with as the operating system's package management verification system cannot be utilized to do this.

cPanel Incorporation is termed as a privately owned corporation whose headquarters are located in Houston, Texas. The software was basically designed as a control panel for speed hosting, a now-defunct web hosting company. The original author of cPanel, John Nick Koston, had a stake in speed hosting. Web King has fast began using the cPanel after their merging with the speed hosting. After speed hosting & Webking merged, the new company has moved the servers to the Virtual Development Incorporation (VDI), a defunct hosting facility.

The WebHost Manager is termed as a web based tool utilised by the server administrators & resellers for managing the hosting accounts on a web server. WHM listens on ports 2086 and 2087. As well as being accessible by the root administrator, WHM is also accessible to utilisers with some reseller privileges. Reseller utilisers of cPanel have very small set of features than the root utiliser, basically limited by a server administrator, to the features that they determine will affect the clients' accounts rather than the server as a whole. From WHM, the server administrator can perform maintenance operations such as upgrade and recompilation.

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