I recently tried to connect a Synology OpenVPN Server with both Tunnelblick 3.8.8beta02 and OpenVPN Connect 3.3.2 and they both would not connect, a problem many are having, as discussed over at the OpenVPN forums...
synology
Synology – Power Restore Settings
If you want your Synology to restart after a power failure remember to set the recovery options: "Restart automatically when power supply issue is fixed"
Installing Postgres 9.x for Postbooks on Synology Diskstation with Docker
I wrote a post about hacking another instance of Postgres onto the Synology Diskstation. But now that Synology has docker you can do it nicely. Don't know if I have included everything needed below but let me know in the comments if you have questions. You need to...