# Dependencies
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+- [Debian / Ubuntu and derivatives](#debian--ubuntu-and-derivatives)
+- [Arch Linux](#arch-linux)
+- [CentOS 7](#centos-7)
+- [Fedora](#fedora)
+- [FreeBSD](#freebsd)
+- [macOS](#macos)
+- [Gentoo](#gentoo)
+- [Other distributions](#other-distributions)
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## Debian / Ubuntu and derivatives
1. On a fresh Debian/Ubuntu, as root user, install basic utility programs needed for the installation
[https://certbot.eff.org/all-instructions](https://certbot.eff.org/all-instructions)
4. Install NodeJS 8.x (current LTS):
[https://nodejs.org/en/download/package-manager/#debian-and-ubuntu-based-linux-distributions](https://nodejs.org/en/download/package-manager/#debian-and-ubuntu-based-linux-distributions)
- 5. Install yarn, and be sure to have a recent version (>= 1.5.1, the latest release):
+ 5. Install yarn, and be sure to have [a recent version](https://github.com/yarnpkg/yarn/releases/latest):
[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 postgresql-contrib openssl g++ make redis-server git
+$ sudo apt install nginx ffmpeg postgresql postgresql-contrib openssl g++ make redis-server git python-dev
$ ffmpeg -version # Should be >= 3.x
$ g++ -v # Should be >= 5.x
```