How to do it...

1. First, let's add a repository:

sudo add-apt-get repository ppa:webudp8team/atom

1. Next, we update the repository:

sudo apt-get update

1. After that, we install Atom:

sudo apt-get install atom

1. Now we can launch Atom by typing atom in the command line:

We can see Atom opened as follows:

1. Let's install OmniSharp as a package by going to Settings | Install. We can see all the packages available according to keyword:

1. OmniSharp is installing the package:

1. OmniSharp has finished installing its dependencies:

1. We will be able to modify OmniSharp options:

1. Now, let's open a new project by going to Packages | Ominisharp | New Project:

1. When creating a new project, OmniSharp automatically restores the missing packages needed for the application:

1. Let's now go into the application folder by the command line to run the application.

1. Run the application with the command dnx web:

1. Earlier, we checked that the web command line was configured to run our Kestrel web server in the project.json file of our application:

1. We can see our web application running at http://localhost:5000/: