+ $ apt-get update
+ $ apt-get install ffmpeg postgresql openssl
+
+#### Ubuntu 16.04
+
+ 1. Install NodeJS 8.x (current LTS): (same as Debian)
+ 2. Install yarn: (same as Debian)
+ 3. Run:
+
+ $ apt-get update
+ $ apt-get install ffmpeg postgresql openssl
+
+#### Arch Linux
+
+ 1. Run:
+
+ $ pacman -S nodejs yarn ffmpeg postgresql openssl