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Why ClearOS

ClearOS was picked as the underlying operating system for WikiSuite.

Why?

  • Most use cases covered by apps in various categories: cloud, network, gateway, server, system and reports.
  • The vast majority of the administration of ClearOS is done via the web interface. And thus, it's easy to see how things are configured, and to train others to manage, and avoid the problem of sysadmins doing undocumented tweaks via the command line.
  • ClearOS adds a layer on top of many diverse and useful tools.
    • It provides semantic names to make it easier for new administrator. Ex.: Fail2ban is offered as "Attack Detector"
    • This layer permits great integration and interoperability. For example, the Two Factor Authentication app works with the Dynamic Firewall app when both are installed.
    • It provides a consistent user experience for configuring the server via the GUI
    • It facilitates management: A simple configuration backup file contains information for multiple apps. So it's easy to restore that config on a fresh ClearOS instance
    • It facilitates automation: A common API to deal with 80+ apps. The WikiSuite project will participate to enhance this for the Orchestrator
  • The apps are written in PHP which is used by 83.1% of all websites, up from 72.5% eight years ago. ClearOS uses the CodeIgniter PHP framework to make life easier.


https://docs.clearos.com/en

Why not CentOS

CentOS is a general purpose operating system. On a fresh install, it does very little. You need to pick and choose amongst tens of thousands of applications to get the functionality you need. And there is very little if any functionality to make the various apps work together.

It is easy to convert a CentOS to ClearOS: How to upgrade a fresh install of CentOS to ClearOS

Why not Ubuntu

Although there are variations (Ubuntu Desktop vs Ubuntu Server vs Ubuntu Server for Cloud), Ubuntu is a general purpose operating system. On a fresh install, it does very little. You need to pick and choose amongst tens of thousands of applications to get the functionality you need. And there is very little if any functionality to make the various apps work together.

Why not ISPConfig

ISPConfig was the original server admin panel component for WikiSuite (It was still called Tiki Suite back then), as you can see in slides from 2011

But ClearOS was picked.

WikiSuite is about having all the tools for one organization, and available on premise or in a data center.

  • ISPconfig
    • is for hosting many projects / customers on one server
    • is focused on being in a data center (and not really tailored to an on premise installation)
  • ClearOS
    • is designed to have multiple tools for one domain, so not multi-domain (well, you can have a some mirror domains, but it's not multi-tenant)
    • is originally designed for hosting on premise, and has evolved to the cloud
    • is offered pre-installed on hardware: ClearBOX and HPE.


For an eventual offering of WikiSuite as SaaS, we will need a platform to manage multiple virtual machines, not a platform to manage shared hosting applications. See: Orchestrator.

We have been working with the ClearOS community to improve it as a hosting platform, and get some of the benefits of ISPconfig.

When is ISPConfig better? If you are a provider of shared hosting.

Why not Webmin / Virtualmin

Webmin doesn't do much to hide the complexity. It just gives you a
web interface and a little syntax checking but you still have to know
what programs you need to manage and what all the options mean to
modify any particular service. ClearOS/SME/NethServer management
interfaces are much more task/function oriented and you generally
manage them without needing to know much at all about the details of
the underlying programs. Some of the form actions may in fact affect
more than one program's settings.

  • Webmin is mostly in Perl, while ClearOS is PHP


Why not SME

  • Release cycle is too slow (vs upstream)

Why not Zentyal

  • Zentyal is more in Perl (while we preferred ClearOS's PHP)


On the good side, Zentyal is based on Ubuntu which has a nice and predictable release schedule.

Long after we started working with ClearOS, Zentyal chose to remove lots of functionality, including the web server.

In contrast, the WikiSuite project has lead to multiple enhancements to ClearOS as a web server (ex: Let's Encrypt, PHP version selection, better configs, better handling of multiple sites, etc.)

Why not NethServer

See also