Wordpress by default is installed in the root directory var/www/abc.com/public_html. This causes a lot of inconvenience as often we need to install other files into separate subdirectories under root directory. A good installation practice should keep every project in its own subdirectory.
Continuing from Set Up VPS on Linode - Part 1, here's Part 2 on DNS (nameserver and IP address), Apache (folder structure, virtual hosts), and enabling HTTPS with SSL certificate from Let's Encrypt.
Recently I had to set up virtual-private-server (VPS) for both my personal blog the Good, the Bad, and the Curious and Linkqlo's website. Here is my workflow to set up Ubuntu Linux, Apache server and the server environment on Linode, which is one of the more popular VPS service providers along with Digital Ocean. Linode's Getting Started Guide is a helpful reference for the basics.