1. Prepare the old Server 2. Stop the update service e.g. service ttrss stop 3. Export the DB, assuming you're using Postgresql: sudo -u postgres pg_dump ttrss > dbdump 4. Prepare new server[1] a. Install PHP: apt-get install php5 php5-fpm php5-curl php5-pgsql php5-gd php5-mcrypt php5-cli b. Install nginx