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Recommended Host for CentOS
CentOS is preferred by many web hosts for it’s stability, security, reliable performance, and wide compatibility. CentOS is typically available upon request for a VPS or dedicated server. Shared hosting providers don’t always advertise the version of Linux running on their servers, and if that’s the case a quick chat session with the host should clear up the question. We recommend SiteGround for hosting on Linux servers running CentOS.
What Is CentOS?
What operating system does your web host use—and why does it matter? CentOS is one of the most popular operating systems among web hosts. A free and versatile OS based on the popular open-source Linux system, CentOS is a robust and affordable choice for hosting resellers and others who prefer a Linux-driven server.
One of the many factors that goes into choosing a web host is which operating system (OS) drives your host's servers. Generally, you're going to be deciding between a Windows-driven server, or one running some version of UNIX (or the popular open-source version of UNIX, Linux).
Unlike your personal computer, you may not give much thought to what OS your servers are running, as long as it keeps your website up and running. But the OS your host uses can affect how your website performs, what kind of controls you see on the backend, and what kinds of applications and content your site can use.
That's why it's a good idea to familiarize yourself with what OS options are out there, and how they can affect your hosting experience.
What Exactly Is CentOS Hosting?
CentOS is short for “Community Enterprise Operating System." The software is a free community-supported computing platform, derived from the source code of a Linux distribution created for commercial applications called Red Hat Linux.
Linux-based hosting is very common in the server setups of Web hosting resellers, including popular hosts like Bluehost, InMotion, and JustHost. In fact, your current host might be using it right now to run their servers.
Though it can be a great OS for private users, Windows isn't ideal for running servers (though there are other benefits to Windows hosting depending on your needs). A web host that uses a Windows-run server might be easier for the host to set up, but would require more RAM and other resources to run your website—possibly running up your bandwidth, and your bill.
On the other hand, a Linux-based server will take a bit more know-how to set up and configure properly, but the lightweight, low-overhead nature of the Linux OS makes it ideal for running servers.
And unlike other Linux distributions, CentOS is targeted for commercial purposes rather than tinkering or “hackability" by its users. The developers of CentOS are more conservative, placing a priority on consistent performance, security, and compatibility rather than trying to be cutting edge and keep up with all the latest developments. As a result, CentOS has a longer release cycle between versions, and is generally more polished, stable, and reliable than other Linux distributions.
Benefits for Hosting Resellers
As a primary operating system for web hosting resellers, CentOS is often used to support both Web Host Manager (WHM) and cPanel installations.
If you've ever gone “behind the scenes" to set up your website, create accounts, add content, or install applications, you've probably used a control panel application like WHM or cPanel to do so. Both WHM and cPanel are optimized for Linux, so a host with CentOS is a good choice if you prefer using one of these control panels.
If you're planning to resell hosting on your own site, cPanel and WHM are the primary components you'll want to add to your CentOS installation.
In a nutshell, WHM hosting allows you to create and manage hosting accounts for your clients. You can then use cPanel (managed by you via WHM) to give your customers a control panel they can use to set up and maintain their own hosted sites.
Other Benefits to CentOS Hosting
CentOS is not limited to hosting resellers, of course.
As a fully-featured Linux variant, CentOS can be used to set up blogging, ecommerce and multimedia content solutions (including podcasting) for your site.
It also supports all of the most popular coding and scripting languages, and their frameworks, such as PHP, Ruby on Rails, Perl, Python and Common Gateway Interface (CGI). Whether you want to write a small custom script for your WordPress installation or build multilevel database management applications, CentOS has you covered.
CentOS is supported by most hosting providers, especially those specializing in customers who resell hosting themselves. As one of the industry standards for Linux, pricing generally falls in line with other Linux-driven hosting packages. Be sure to check with your hosting provider for complete details.
CentOS Hosting Frequently Asked Questions
What is CentOS?
CentOS is an operating system with a Linux kernel. It's one of the most popular Linux-based operating systems in web hosting.
CentOS is derived from the code of one of the most popular Linux-based operating systems, Red Hat Linux.
When was CentOS first released?
CentOS has been available since 2004, when it was first forked from Red Hat Linux.
What does the name 'CentOS' mean?
CentOS stands for Community Enterprise Operating System.
Why is CentOS popular?
CentOS is stable, reliable, and secure, which keeps website vulnerabilities and application bugs to a minimum. If offers the tools and features that developers need, has good security, and it can be deployed very cheaply.
It's also compatible with common web hosting software and programming languages. CentOS also has an active community of supporters and developers.
Why does it matter which version of Linux my host uses?
Some operating systems run slightly slower than others, and not all software runs on every operating system. CentOS is a good general purpose Linux-based OS that offers support for the most commonly-used scripts, languages, and programs.
If you don't plan to install your own software on your hosting plan, the version of Linux probably won't matter.
How do I install CentOS on my web hosting server?
It's easier to choose a host that provides CentOS than try to install it yourself. Many hosts will not allow you to reinstall the operating system, or they may insist that you pay them to do it for you. Check this before purchasing hosting, if it's an issue.
Which hosting companies use CentOS?
Many of the world's best-known hosting companies use CentOS. For example, Siteground uses it on shared hosting and dedicated servers.
How does CentOS compare to Windows?
CentOS is designed for commercial use, so it can match windows for performance and security. But if you need Microsoft-specific features for your applications, CentOS won't support them.
Is CloudLinux better for cloud hosting?
Why would I choose CentOS over Red Hat?
The main difference is that Red Hat is not free. CentOS is a community-run project derived from Red Hat, and is free.
How does CentOS compare to Ubuntu Server?
Ubuntu Server is based on the Debian distribution of Linux. Developers generally have a preference for their own favored Linux distribution.
Some developers consider Ubuntu to be more resource-intensive, because it ships with extra features. However, Ubunto has a shorter release cycle than CentOS.
Note that you cannot run cPanel on Ubuntu Server, which may be an issue for your web hosting account.
Is CentOS compatible with cPanel?
Yes. CentOS is one of the three operating systems supported by cPanel.
What are add-ons?
CentOS can be extended with add-ons, which add features to the core operating system.
What coding languages does CentOS support?
CentOS supports all common Linux-compatible coding and scripting languages including PHP, Ruby on Rails, Perl, Python and CGI.
Are there any downsides to CentOS?
Because CentOS is free, there is no official support, and there are no certification programs. CentOS is also developed to be stable, so it doesn't get updated with new features as often as some of its rivals.