Build your files cloud: OwnCloud

Have you ever dreamed of creating your own personal cloud? Now you can with OwnCloud. In this article you’ll get a glance of what OwnCloud can do for you.

OwnCloud overview

OwnCloud 9 Web UIOwnCloud is a Dropbox-like software that enables you to store and sync your files both with a standalone client and a easy-to-use web interface. That’s a simple description of its main scope, but it wouldn’t do justice if we stopped here: OwnCloud is much more! Let’s take a look at the features:

  • File storage: OwnCloud is first and foremost a self-hosted alternative to Dropbox. You can access the files either using the Web UI or you can use WebDAV which is supported by all major operating systems.
  • File versioning: files history is kept in OwnCloud, allowing precedent versions of the same document to be restored.
  • File synchronization: by using the client you can synchronize local folders to/with the server. The client is freely available for Windows, Linux and Mac OSX. Mobile clients are available for Android, iOS or even BlackBerry (with a little price).
  • Multi-user: OwnCloud has support for multiple users with granular access to files. It also supports centralized users with the LDAP plugin.
  • File-sharing: You can share files or entire directories with local users on the same server (and control their permissions).
  • Federated cloud: this feature enables to share files (and other things) with other OwnCloud instances (retaining full control over permissions).
  • Modular architecture: OwnCloud is structured in apps that enable developers to add functionality to the core product.
  • Calendar: with the Calendar app you can keep multiple calendars and even synchronize them across multiple devices that support CalDAV protocol.
  • Contacts: much like with the Calendar app, the Contacts App allow you to keep your contacts and synchronize them using the CardDAV protocol.
  • Open Source: it always figures last in my lists, but to tell the truth it should always be the first item. The possibility to look inside the code makes you feel confident about what the software is doing and that it is not spying on you.

This list is a bit short, you can find out all the new features on this page.

Where it falls short

Although OwnCloud might seem great (and it really is in the first few months) it has quite a few drawbacks:

  • Self-hosted: this isn’t entirely bad, but if you have a flat internet connection, no domains or no system administrator experience, it might be a bit bad.
  • OwnCloud is heavy: written in PHP, with a modular approach. That’s bound to be heavy. In order for it to be fast you should set up at least PHP 7 (which brings huge improvements), some kind of cache and be sure to optimize everything in every way.
  • Updates: unless you design your very own way to update, packages for your operating system will often be a bit late and letting OwnCloud update itself may not always be the best option.
  • Client is buggy: I’ve never experienced it myself but I’ve seen some users on the Internet saying some of their files were silently gone due to low space or things like that. Personally I’ve experienced that the speed comparison between Rsync and the Client is really too much to bear, Rsync being sometimes six times faster. That doesn’t really happen with small files, but with big files the difference becomes visible.


You’re now aware of OwnCloud, a simple and complete solution to your storage, synchronization, calendar, contacts needs and much much more. You’re also aware of the downsides and how to partially avoid them. If you’re still not convinced you can find a demo of the web interface here. Be sure to continue following, in the next few weeks I will post tutorials on how to install OwnCloud on the major Linux operating systems.

Image courtesy of mark | marksei

You may also like...

2 Responses

  1. DelRoy Guild says:

    Mark, What size do you define as “big files” in the above statement … “Rsync being sometimes six times faster. That doesn’t really happen with small files, but with big files the difference becomes visible.”

    • mark says:

      Hello, the statement above comes from a lot of experimenting (and tweaking the client) so “big files” varies. At first even 2MB files were slow compared to Rsync. Then I came across this which describes the issue regarding OWNCLOUD_CHUNK_SIZE. By tweaking this value I was able to get almost 3/4 of the speed I got with Rsync. Nevertheless this variable must be set statically and gives the best results when adapted to the network bandwidth from client to server.
      In the end 10M files were still suffering from slow upload speed with the best chunk size for the network I had tested. Files larger than 10M get even slower, and going further 10M would yield strange and unpredictable results.

Leave a Reply

This site uses Akismet to reduce spam. Learn how your comment data is processed.

%d bloggers like this: