How to install Owncloud 10 server on CentOS 7

OwnCloud CentOS Logo

OwnCloud is a Dropbox-like solution for self-hosted file sharing and syncing. Whether you want to backup, have file-syncing or just have a Google Calendar alternative, this guide is for you.

What is OwnCloud? Is it like a “cloud”?

If you stumbled here by chance and don’t know what OwnCloud is, here is an article explaining its principal features and advantages/disadvantages. To tell you the truth, OwnCloud is a SaaS cloud, if you want to know more about cloud types you can read this article.

In this article we will cover the installation of the server (not the client).

Step 1: Add the repositories

Important
I take absolutely NO responsibility of what you do with your machine; use this tutorial as a guide and remember you can possibly cause data loss if you touch things carelessly.

The first step is to add the repositories to your system. You will need root access during this procedure. The following procedure will install apache as webserver. Since CentOS 7 ships with PHP 5.4 by default but OwnCloud requires at least PHP 5.6 we’ll also be installing PHP 7 from a third-party repository. The following procedure will install apache as webserver. Input the commands one by one to avoid errors! Input the commands one by one to avoid errors!

CentOS 7

If you’d rather use PHP 7.1, you can follow this tutorial: how to install PHP 7.1 on CentOS 7. If you do so, replace each instance of php70w with php71w in all the successive commands.

Open a terminal and input the following commands:

These commands will add the repositories that contain the software and install it on your machine.

Step 2: Database selection

Now that you got the OwnCloud software, all that is left is to choose a database that will support the installation. You have three choices:

  • SQLite: is a single-file database. It is suggested only for small installations since it will slow OwnCloud down sensibly.
  • MariaDB/MySQL: are popular open source databases especially amongst web developers. It is the suggested choice.
  • PostgreSQL: a popular enterprise-class database. More complicated than MySQL/MariaDB.

Now, this choice won’t really alter the functionality of OwnCloud (except if you use SQLite), so pick whatever you know best. If you’re unsure pick MariaDB/MySQL.

SQLiteMariaDB/MySQLPostgreSQL

No additional steps are required if you choose SQLite.

Install the software:

During the installation you will be prompted to choose a root password, pick a strong one.

Start (and enable at boot) the service:

Now you need to enter the database (you will be asked the password you just set):

Now that you are in create a database:

Now you need to create the user that will be used to connect to the database:

The last step is to grant the privileges to the new user:

When you’re done type Ctrl-D to exit.

Install the software:

Run the setup:

Start (and enable at boot) the service:

Now you need to enter the database:

Now that you are in create a database:

Now you need to create the user that will be used to connect to the database:

The last step is to grant the privileges to the new user:

When you’re done type \q and press enter to exit.

Warning!
You may experience difficulties in authenticating OwnCloud with PostgreSQL since the local authentication method is set to ident by default. If you want to change it keep reading.

The configuration file for PostgreSQL is a file located in /var/lib/pgsql/data/pg_hba.conf . Open it with your favourite editor and look for the marked line:

Replace ident with md5 on that line and restart PostgreSQL:

Step 3: Setting Apache and SELinux

In this step we’ll start (and enable) the webserver and we’ll set SELinux up. Now, many tutorials will tell you to disable SELinux (because it is a difficult component to manage). Instead, I suggest you to keep it on and add the rules for OwnCloud:

CentOS 7

Add SELinux rules:

If you decided to use Mariadb/MySQL/PostgreSQL, you also need to allow apache to access the database:

Now that you’ve configured SELinux let’s start and enable Apache:

CentOS 7

Start (and enable at boot) the service:

Step 4: Install

Once you’re done with selecting the database, it’s time to install everything. Head to http://YOUR_IP_ADDRESS/owncloud/ and you will be facing the following screen:

OwnCloud 10 installation

OwnCloud 10 installation

Select an administrator username and password, then you can select the data folder, but if you don’t know what you’re doing it’s best if you leave it with the default value. Then click on “Storage & Database” to select the database you chose during step 2. Fill everything and if you’ve followed all the steps correctly you should be seeing the Files app:

OwnCloud 10 Files App

OwnCloud 10 Files App

Image courtesy of mark | marksei

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The IT guy with a little boredom look in his eyes, fond of computers since forever he now works as a freelancer in the IT and shares his experiences through this blog.

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