Start by reading Installing mu-plugins section in our comprehensive WordPress MU Manual if you are new to WordPress MU.

To install:

1. Download the plugin file

2. Unzip the file into a folder on your hard drive

3.  Upload lock.post.php to wp-content/mu-plugins/

4. Upload locked.php to wp-admin

To use:

  1. Log in as site admin user.
  2. Go to the post you want to lock and click on 'Edit' ( Posts > Edit )
  3. Scroll down to Post Status area and select Locked
  4. Click Update Post

Update Notifications

  • Included with every download from WPMU DEV is a file called update-notifications.php
  • You should make sure that this file is *always* placed in /mu-plugins/
  • It will communicate to you critical information about plugins and theme updates - including any security alerts!