In this article we will install sabre/katana on a CentOS 7 VPS with Apache, MariaDB and PHP. Sabre/katana is free and open source contact, calendar, task-list and file server. Based on world-widely used standards (respectively CardDAV, CalDAV and WebDAV), sabre/katana will help you to sync your important data between any device, from any location, at anytime. sabre/katana is powered by sabre/dav. It is an open source technology trusted by many leading companies such as ownCloud, Atmail, Box and fruux. sabre/katana is still under development, and many changes are still applying to the product.