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Stronger, Faster, Securer Web Hosting – CloudLinux!

CloudLinux & KernelCare - Better, Stronger, Faster Web Hosting.

What Is CloudLinux?

The title of the blog post says it all but for all those techies interested in learning a little more about CloudLinux and how it can make your shared hosting environments Stronger, Faster & Securer – read on.


CloudLinux Improves Stability & Security

By isolating tenants in their own virtual cage, CageFS aims to improve security and stability of servers. Other operating systems will allow entire servers full of customers to go down due to any individual tenant consuming the entire servers resources. CloudLinux stays stable by isolating the impact of the offending tenant to a pre-defined package with its own resource limits.

CloudLinux Increases Density

Optimise every server by creating packages that let you assign resources for CPU, IO, and Memory to get the most out of every server and safely add more customers.

CloudLinux Increases Profits

By allowing for greater server density and decreasing customer churn CL can improve profits per shared hosting server. This also creates new upsell opportunities by allowing resource limits to be set on packages providing similar features to a Virtual Dedicated Server for each tenant.

CloudLinux Lowers Support Costs

Better server stability means fewer support calls and less time spent tracking down problem tenants. CloudLinux lowers costs in supporting a shared hosting environment, allowing you to offer superior service with greater profitability.


Tenant Isolation

All tenants on the server are isolated from each other so if one goes down everyone else remains safe and stable.

Resource Limits

CloudLinux utilises a kernel level technology to set resource limits per tenant. This ensures no individual tenant can ever use more than the resources allocated to them.

Multiple PHP Versions

With CloudLinux your customers will have the flexibility to choose the PHP version they need. This includes versions 4.4, 5.2, 5.3, 5.4 and 5.5 as well as more than 50 PHP extensions and ability to adjust php.ini settings.

Easily convert from CentOS & RHEL

Converting from CentOS or RHEL takes 5-10 minutes utilising YUM. Immediately putting your customers into isolation for better stability.

Fast Security Patch Releases

Security patches are released fast to keep you and your customers safe.

Expert Support

The CL support team is available 24/7 to answer any of your questions. It’s free of charge as are the very helpful CL forums.

MySQL Governor

MySQL is one of the primary causes of issues on shared servers. CL monitors MySQL usage and throttles abusers preventing them from overloading the server, improving overall stability and performance.

Hardened Kernel

Shared Hosting environments are unlike any other. CL kernel takes this factor into account. It protects against symlink attacks, trace exploits and restricts visibility of ProcFS to only what is necessary – making your servers more secure.

Application Resource Limits

Set individual limits for your blog, applications, and your website so that a sudden spike to one will not take down the rest of your server.


  • Never reboot your OS Kernel again
  • Updates every 4 hours
  • Takes just minutes to set up
  • Prompt patch roll out
  • Supports CentOS 6.x, CloudLinux 6.x, RHEL 6.x and OpenVZ …
  • No performance impact
  • Ability to roll back changes

Purchase/ Pricing

CloudLinux & KernelCare can only be ordered with Virtual Dedicated Server or Virtual Data Center purchases.

View Prices


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With over 25 years’ experience in the IT industry, Gerardo Altman is a key solutions architect and MD of Velocity Host, an Australian-based IaaS - Infrastructure As A Service provider specialising in enterprise cloud solutions.