HIVE and CloudLinux difference & compatibility

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Question

Is Hive compatible with CloudLinux and what are the differences?

Key differences

Imposing limits

Statistics

Security


What Hive gives you more?


Answer

Differences

To some extend Hive and ClouldLinux functionality overlaps, though different technologies are used. Hive applies resource usage limitations through RLimits, while Cloud Linux applies kernel limits on resource usage. Also Hive is isolating the accounts through a chroot mechanism. Cloud Linux have a similar concept - the CageFS (still in beta as per the official available information).

What CloudLinux does is to give you the possibility to limit resource usage for a single user. For example set 10% resource usage limitation and no user will be able to use more than 10% of the server resources at any given time.

What Hive does is impose resource usage limits per process. For example at no given time a single process can use more then 512MB memory or run longer then 120 seconds. You can find more information in the Hive limits section.

The above 2 points are where HIVE and Cloudlinux overlap. There are few more features that come with HIVE and they are described below:

Overall, Hive is pretty much shared hosting oriented product. It was created with the purpose to have your shared server serving requests to best of its ability, rather than throttling user processes*. It also provides you with detailed statistics about CPU consumption and script executions for users on the server. Also Hive comes with 6 different PHP versions, cPanel plugins for easy PHP version change and PHP variables management, resource usage statistics for your clients directly in cPanel and more. The 1H software development is targeted specifically for the needs of webhosting providers and their clients.

HIVE also includes "Automated reaction to resource abuse" system. You can setup automated actions depending on User statistics gathered by Hive. Upon enabling this option (OFF by default) you setup specific limits on CPU usage based on script executions and CPU time. Limits can be set for script executions made via web access and cron jobs. You can specify what automated actions to be taken upon users reaching those limits. You can decide to set up automatic suspend or web traffic redirects for such accounts and thus protect better the other users on the server, notify the account owners and offer them a higher-end solution, or apply a combination of both approaches.

You can see how the user interface for setting up the limits looks like in the User Limits section.

Compatibility

CloudLinux is no longer compatible with Hive. Apache can execute PHP files either through Hive or through CloudLinux, but not through both simultaneously. This means that you can use either Hive or CloudLinux, but not both at the same time. All other 1H products (Guardian, Hawk and Digits) can be installed on a server running CloudLinux though. However HIVE that is basically interchangeable with CloudLinux cannot be run simultaneously with CloudLinux. One can work without the other, but they cannot work together. You will be using either Hive or CloudLinux for PHP execution.

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