How to Install Open Source Social Network on Ubuntu: 6 Steps
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On this guide we're going to explain to you how to install and configuration of Open Source Social Network on your Ubuntu 16.04 web server. For all those of you who didn’t know, Opensource-Socialnetwork (OSSN) is a social networking software written in PHP. It enables anyone to create a social networking site helping your users develop social connections, with others who share equivalent professional or personal passions.


  1. 1
    First make sure that all your system packages are up-to-date by running these following apt-get commands in the terminal.
    • sudo apt-get update
    • sudo apt-get upgrade
  2. 2
    Install LAMP (Linux, Apache, MariaDB, PHP) server.A Ubuntu 16.04 LAMP server is required. If you do not have LAMP installed, you can follow our guidehere. Also install all required PHP modules:
    • apt-get install php7.0-mysql php7.0-curl php7.0-json php7.0-cgi php7.0 libapache2-mod-php7.0 php7.0-mcrypt
  3. 3
    Installing Open Source Social Network.First thing to do is to go toOSSN’s download page and download the latest stable version of OSSN, At the moment of writing this article it is version 4.2:We will need to change some folders permissions:chown -R www-data.www-data /var/www/html/ossn/
  4. 4
    Configuring MariaDB for Open Source Social Network.By default, MariaDB is not hardened. You can secure MariaDB using the mysql_secure_installation script. You should read and below each steps carefully which will set root password, remove anonymous users, disallow remote root login, and remove the test database and access to secure MariaDB.mysql_secure_installationConfigure it like this:Next we will need to log in to the MariaDB console and create a database for the OSSN. Run the following command:mysql -u root -pThis will prompt you for a password, so enter your MariaDB root password and hit Enter. Once you are logged in to your database server you need to create a database for OSSN installation:
    • - Set root password? [Y/n] y
    • - Remove anonymous users? [Y/n] y
    • - Disallow root login remotely? [Y/n] y
    • - Remove test database and access to it? [Y/n] y
    • - Reload privilege tables now? [Y/n] y
    • MariaDB [(none)]> SET GLOBAL sql_mode=;
    • MariaDB [(none)]> CREATE DATABASE ossndb;
    • MariaDB [(none)]> CREATE USER 'ossnuser'@'localhost' IDENTIFIED BY 'y0ur-pAssW0RD';
    • MariaDB [(none)]> GRANT ALL PRIVILEGES ON ossndb.* TO 'ossnuser'@'localhost';
    • MariaDB[(none)]>FLUSH PRIVILEGES;
    • MariaDB [(none)]> \q
  5. 5
    Configuring Apache web server for Open Source Social Network.Create a new virtual host directive in Apache. For example, create a new Apache configuration file named ‘ossn.conf’ on your virtual server:Add the following lines:Next, You can edit the PHP configuration file:nano /etc/php/7.0/cli/php.iniAnd modify these lines:123allow_url_fopen = Onfile_uploads = Onupload_max_filesize = 32MOSSN also needs a directory for storing the uploaded files such as images. For security reasons we will create this directory outside of the document root directory:mkdir -p /var/www/ossndatadirFinally, we can restart Apache web server so that the changes take place:
    • 1234sudo a2enmod rewritetouch /etc/apache2/sites-available/ossn.confln -s /etc/apache2/sites-available/ossn.conf /etc/apache2/sites-enabled/ossn.confnano /etc/apache2/sites-available/ossn.conf
    • 1234567891011121314ServerAdmin admin@yourdomain.comDocumentRoot /var/www/html/ossn/ServerName your-domain.comServerAlias www.your-domain.comOptions FollowSymLinksAllowOverride AllOrder allow,denyallow from allErrorLog /var/log/apache2/ /var/log/apache2/ common
    • systemctl restart apache2.service
  6. 6
    Accessing Open Source Social Network. Open Source Social Network will be available on HTTP port 80 by default. Open your favorite browser and navigate to or http://server-ip/ and complete the required the steps to finish the installation. If you are using a firewall, please open port 80 to enable access to the control panel. Log in to the OSSN administration back-end at and configure OSSN according to your needs.


  • For additional help or useful information, we recommend you to check the official Open Source Social Network web site

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