LAMP服务器的Linux用户和组

What is the best practice for setting up a LAMP server in terms of linux users and groups? If there are multiple sites hosted on the same server, is it best to have a single user that owns all site source files (and uploads) that is in the same group as apache - or to have a different user for each site (so that each site has its own crontab)? Or something else entirely?What is the best practice for setting up a LAMP