I have been looking for a way to use one CMS (WordPress or Joomla or Drupal) for multiple subdomains and I unfortunately cannot find any useful information.
Based on the information I have found it is possible to have one CMS for multiple domains, so I am assuming its possible for multiple subdomains… Please provide me with some detailed information. I have set up CMSs before however I am not very good.
well on the drupal side you would install it (drupal) as a multisite. CMS’s are complicated when you start using them for multisite and you’re going to need to make an effort to know the CMS if you choose to go down this path, so get learning. Search: drupal multisite subdomains for info on setting up a multisite Drupal setup on subdomains.
Here’s a detailed overview: https://www.drupal.org/documentation/install/multi-site
There are also quick & dirty tutorials: https://www.drupal.org/node/960934
The link above talks about doing this with Drupal 6 but it’s the same for Drupal 7. Read the comments below the article for areas where people get tripped up.
As an alternative, you could ramp up your hosting and use Pantheon one: https://www.getpantheon.com/pantheon-one
Additionally, if you use various plugins for a CMS in multi-site mode, the plugins don’t always support multi-site configurations. Often times, I’ve had to resort to using separate installations.