Sometimes we find it really difficult to redirect from a main or primary domain to the subdomain of the same primary domain using .htaccess.
For example if you want to redirect from http://www.lynda.com to http://new.lynda.com
To achieve this, just grab this snippet and paste it in the .htaccess file in the root of your primary domain.
RewriteEngine On Options +FollowSymlinks RewriteCond %{HTTP_HOST} ^(www\.)?lynda\.com$ [NC] RewriteRule ^ http://new.lynda.com [R,L]
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