W3 Total Cache
wp-content writable or not writable? (3 posts)

  1. huyz
    Posted 5 years ago #

    I just installed "W3 total cache" and the settings page says both these things:

    Page caching is not available: /usr/share/wordpress/wp-content/advanced-cache.php is not installed. Either the /usr/share/wordpress/wp-content directory is not write-able or another caching plugin installed. This error message will automatically disappear once the change is successfully made.


    /usr/share/wordpress/wp-content is write-able. When finished installing the plugin, change the permissions back to the default: chmod 755 /usr/share/wordpress/wp-content.

    I checked: the wp-content directory is writable but there is no advanced-cache.php file in there. Why would there be? Does it get automatically installed? Well in this case, it wasn't. I don't know why.

    As you can see, installation doesn't work for me with WordPress 3.0.5 multisite.

  2. huyz
    Posted 5 years ago #

    I deactivated it for all my sites, and then re-activated it for the root site and the advanced-page.php did appear.

    So I was able to resolve that for myself: it looks like, for a multisite installation, it needs to be activated for the root blog?

    It's unclear how "W3 total cache" handles a multisite.

  3. Frederick Townes
    Plugin Author

    Posted 5 years ago #

    There's still a permissions (likely ownerships) issue there if W3TC did not finish the installation. You would have to manually copy the files from w3-total-cache/wp-content/ to wp-content/ in your multi-site instance in order to compete the installation.

    For multi-site you'll want to activate the plugin for each site and configure it's settings.

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