DEPENDENCIES.md

Signal Server Dependencies

This guide is written in Ubuntu 18.04.

Before you start

Update package in linux by running this command:

sudo apt update

Git

To clone repository / project files from github, install Git

sudo apt install -y git

Java JDK 11

To run java application, install JDK 11

sudo apt install -y default-jre
sudo apt install -y default-jdk

Maven

To compile signal server, install Maven

sudo apt install maven

Nginx

To forward signal port to http / https port, install Nginx

sudo apt install nginx

Certbot

To generate let's encrypt free ssl certificate for https, install certbot

sudo add-apt-repository ppa:certbot/certbot
sudo apt update
sudo apt install python-certbot-nginx

Coturn

To run a turn server for video/voice call, install coturn

sudo apt install coturn

Docker

To run database, redis, and minio in docker, install docker

sudo apt install apt-transport-https ca-certificates curl software-properties-common
curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add -
sudo add-apt-repository "deb [arch=amd64] https://download.docker.com/linux/ubuntu bionic stable"
sudo apt update
sudo apt install docker-ce

sudo curl -L https://github.com/docker/compose/releases/download/1.28.5/docker-compose-`uname -s`-`uname -m` -o /usr/local/bin/docker-compose
sudo chmod +x /usr/local/bin/docker-compose

To allow non sudo user to use docker, run these commands :

sudo usermod -aG docker ${USER}
su - ${USER}
id -nG

Firewall

To enable firewall for Nginx & OpenSSH run these commands

sudo ufw enable
sudo ufw app list
sudo ufw allow 'Nginx Full'
sudo ufw allow 'OpenSSH'

Why OpenSSH? Because if you forgot to allow it, you can't ssh to your server