Elixir | Phoenix | Distributed Systems
For Elixir installed with asdf, whenever I try to run iex> :observer.start I keep getting the following error Could not find 'wxe_driver.so' in: /Users/anil/.asdf/installs/erlang/23.3.4.4/lib/wx-1.9.3.1/priv Below are steps to properly install
In one of our client applications, we use the WebRTC Media server which records the peer videos of candidates on the server. We create multiple instances of WebRTC Media server in auto scaling mode as load increases. We needed a shared file system that can scale so that we can
Recently our client asked us if can we detect if the camera used by the examinee during the exam is a fake camera or a real live camera. One of their examinees had most possibly used manycam or maybe fake media which can be done by passing a flag to
Elixir/Erlang offers Observer a GUI tool for observing the Elixir/Erlang system In this article, we will set up the Observer for remotely connecting to the mix release deployed Elixir app. Let's start, in your Elixir app, run. mix release.init You will notice, it generates three
Add following files [Unit] Description=Upload Janus recordings to AWS S3 After=network.target [Service] Type=oneshot User=ubuntu WorkingDirectory=/home/ubuntu/janus_recordings ExecStart=/bin/bash /usr/local/bin/upload_videos [Install] WantedBy=multi-user.target /etc/systemd/system/janus_s3_upload.service [Unit] Description=Janus S3 Upload timer [Timer]
elixir,phoenix,aws,codebuild,codedeploy,codepipeline,devops
In this article you will learn how to use Docker for local application development We are going to see how we can use Docker to run our application in Docker container but still able to code from local editor Create Rails app $ rails new next_big_app Design a Dockerfile
We will see in-depth How to use Phoenix as a Signalling server Writing Elixir client for talking with Janus How to write WebRTC code with JavaScript How to use the Janus Videoroom plugin from Elixir Understand all important Janus event handling How to setup screenshare functionality How to deploy Janus
This post shows you how to create a simple Sinatra (Sinatra is a Ruby DSL for quickly creating web applications in Ruby with minimal effort) app to send you Twilio TURN servers, which can be used from your WebRTC app. config.ru for Sinatra app require './app.rb'
Phoenix is a web framework for Elixir language.  In this post, we will see how to add test coverage report support with excoveralls library. Follow below steps. Add excoveralls as a (Development) Dependency to mix.exs Open mix.exs file and find the "deps" function def deps
Janus WebRTC Server Janus is an open source, general purpose, WebRTC server designed and developed by Meetecho. Multiple times I found hard to follow steps to Install Janus on my Mac. Follow below steps to install Janus on Mac with post processing support Install dependencies brew install jansson libnice openssl
Nice talk how requirements were perfectly implemented with various features available in Elixir OTP and Phoenix. Notes Problem - Subscribing to data updates isn't an option Solution - In Elixir, create a process driven subscription system that polls the database Problem - Does it work for more than
Elixir/Erlang inbuilt provides us OTP (Open Telecom Platform) which is a set of libraries that ships with Erlang. OTP is not that much about telecom anymore (It's more about software that has the property of telecom applications, but yeah.) Elixir/Erlang developers use OTP to build robust,