This document provides instructions for installing and configuring OwnCloud on a CentOS 7 server. It involves installing Apache, PHP, and MariaDB, enabling required firewall ports and services, downloading and extracting OwnCloud, creating an OwnCloud database and user, configuring Apache to point to OwnCloud, and accessing the OwnCloud setup page to complete the configuration.

1. Initial setup
Install CentOS 7 with default Minimal configuration then install all current
updates:
yum -y update
Next, we need to install PHP, Apache web server and MySQL server and some php
extensions:
yum install httpd php php-mysql mariadb-server mariadb sqlite php-dom php-
mbstring php-gd php-pdo wget vim
Set SELinux to allow OwnCloud to write the data:
setsebool -P httpd_unified 1
Allow web traffic through the firewall:
firewall-cmd --permanent --zone=public --add-service=http
firewall-cmd --permanent --zone=public --add-service=https
firewall-cmd --reload
Start Apache using the following command:
systemctl start httpd.service
Start MariaDB by issuing this command:
systemctl start mariadb.service
Auto start the service at system start-up:
systemctl enable httpd.service
systemctl enable mariadb.service
Installation
First, we need to download ownCloud from official website. Run the following
command.
wget https://download.owncloud.org/community/owncloud-7.0.0.tar.bz2
Extract the archive we just downloaded.
tar -jxvf owncloud-7.0.0.tar.bz2 -C /var/www/html/
Next we need to assign the permission for web server to read and write the files
on cloud directory.
chown -R apache.apache /var/www/html/owncloud/
DataBase configuration
Configure the mariadb instance.
mysql_secure_installation;
Hit enter on any of these that have the capital Y.
Set root password?[Y/n]New password: databaserootpassword
Re-enter new password: databaserootpassword
Remove anonymous users?[Y/n]Y
Disallow root login remotely?[Y/n]Y

2. Remove test database and access to it?[Y/n]Y
Reload privilege tables now?[Y/n]
Create the ownCloud database and user.
Login to mysql server, Using the following command
mysql -u root -p
Next, we need to Create DataBase for ownCloud and grand permission for ownCloud
user.
mysql> create database owncloud;
mysql> create user 'owncloud'@'localhost' identified by'somedatabasepassword';
mysql> grant all on owncloud.* to 'owncloud'@'localhost';
mysql> flush privileges;
mysql> quit;
Apache server configuration
Open an external configuration file for ownCloud in your favorite editor, I’m
using vim.
vim /etc/httpd/conf.d/owncloud.conf
Add the following lines in the config file.
<IfModule mod_alias.c>
Alias /owncloud /var/www/html/owncloud
</IfModule>
<Directory ’/var/www/html/owncloud’>
Options Indexes FollowSymLinks
AllowOverride All
Order allow,deny
allow from all
</Directory>
Restart all apache and mariaDB services:
systemctl start httpd.service
systemctl start mariadb.service
OwnCloud configuration
Open up your favorite browser and paste http://your_ip_address/owncloud or
http://your_Domain.com/owncloud. It will shows the initial owncloud setup page.
it must be configured before going to live.
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