Simple 301 or 302 redirects with Apache or PHP

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It behooves you to make sure you’ve only got one URL that serves a given piece of content–so says google. But what if you’ve got a bunch of domains that go to your page?

For this blog, for example, matthew.mceachen.org, and mrm.mceachen.org all go to the same place. That was done with an apache redirect in /etc/apache2/sites-enabled/matthew:

<VirtualHost *:80>
    ServerName matthew.mceachen.org
    ServerAlias www.matthew.mceachen.us mrm.mceachen.org
    Redirect permanent / http://matthew.mceachen.us/
</VirtualHost>

If you want to redirect from one directory to another, PHP makes that pretty simple. This is the contents of my ~/public_html/index.php that directs people into my blog:

<?php
header('Location: http://matthew.mceachen.us/blog/');
?>

You can read more about 301 redirects on wikipedia.

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