The scenario that we will see consists of a Local Environment that allows the development of a WordPress site with plugins and themes and a Remote Server that will host the "production" WordPress site. Additionally we assume that the remote server has Git already installed and SSH access configured with public key authentication (the SSH and Git installations are out of the scope of this tutorial).
In this tutorial we refer to Mac OS X but you can easily adapt it to any other OS. make quick changes on some files on the remote server and then fetch them on the local environment.locally update the WordPress core files or update already installed plugins/themes in a safe way, check that nothing breaks the site and deploy this changes to the production server.locally develop and test your new plugin or theme in a safe way and deploy it to the production server.A reliable and secure deployment system to the remote server.A flexible local development environment that allows you to easily add a new site, with a modern Version Control System and that allows you to develop both on your desktop computer and on your notebook.This requires you to adopt the following:
Nowadays in order to be a freelance WordPress developer you often need to develop simultaneously several WordPress sites for different clients.