How to upgrade WPMU

How to upgrade WPMU

Periodically, I and others update the codex entry on how to upgrade WPMU.

If you are going from 2.7 upwards, the easiest thing is to just click the link in the upgrade notice and let it handle it automatically. This works if you've made no hacks. If you've changed ANY core files, they WILL be overwritten.

Take a backup of your database and wp-content folder before you do anything.

To upgrade between minor versions, you just remove the old files and replace with the new ones, basically. Everything but .htaccess, wp-config.php and the wp-content folder. Compare the new wp-config-sample.php and htaccess.dist to see if any changes were made that you need to apply.

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2 Comments
  • Amir
    Posted at 14:18h, 01 February Reply

    Thanks very much, this is brief n comprehensive info.

  • Lars Gustafsson
    Posted at 04:13h, 26 February Reply

    Thanks a lot. It worked perfectly.

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