In the previous chapter we installed three sites into our one Drupal multi-site, but we did not configure any of these three. In this chapter we will look at configuring Drupal, with a special focus on using Drupal modules and themes. In particular, we will see how Drupal can share modules and themes when we want, but also keep certain modules and themes restricted only to a specific site. We will cover the following:
Configuring each site separately
Sharing configurations
Installing shared modules
Installing unshared (single-site) modules
Installing themes and subthemes
We wrapped up the last chapter by running the Drupal web installer for all three sites, giving each its own database, site name, and configuration. In this chapter we will pick up where we left off.
The important thing to be aware of, given our multi-site configuration, is that each site will have completely distinct settings.
In Drupal, there are typically two places where...