1. zypper addrepo http://download.opensuse.org/repositories/isv:/ownCloud:/community/openSUSE_Leap_42.1/isv:ownCloud:community.repo
2. zypper refresh
3. zypper install owncloud
4. zypper install apache2
5. Configuration Firewall : Allow HTTP,HTTPS,SSH
6. zypper install mariadb; create DB & Assign privileges to a new MySQL user to handle database operations for ownCloud.
7. a2enmod php5 (need to enable php5 for apache2)
8. Go to your IP address or domain name followed by "/owncloud" in your browser.
9. Done