+ 5. Install yarn, and be sure to have a recent version (>= 1.5.1, the latest release):
+ [https://yarnpkg.com/en/docs/install#linux-tab](https://yarnpkg.com/en/docs/install#linux-tab)
+ 6. Run:
+
+```
+$ sudo apt update
+$ sudo apt install nginx ffmpeg postgresql openssl g++ make redis-server git
+$ ffmpeg -version # Should be >= 3.x
+$ g++ -v # Should be >= 5.x
+```
+
+If you still have a 2.x version of FFmpeg on Ubuntu:
+```
+$ sudo add-apt-repository ppa:jonathonf/ffmpeg-3
+$ sudo apt-get update
+$ sudo apt install ffmpeg
+```
+
+## Arch Linux
+
+ 1. Run:
+
+```
+$ sudo pacman -S nodejs yarn ffmpeg postgresql openssl redis git wget unzip python2 base-devel npm nginx
+```
+
+## CentOS 7
+
+ 1. Install NodeJS 8.x (current LTS):
+ [https://nodejs.org/en/download/package-manager/#enterprise-linux-and-fedora](https://nodejs.org/en/download/package-manager/#enterprise-linux-and-fedora)