I upgraded my server to 14.04.1. After I restarted Apache, I discovered that some of my sites are not accessible (403 forbidden). The common denominator is that they are my Drupal sites and a group of Wordpress (multisite) sites. A pair of other WP (multisite) sites in a separate directory are working.
If I type the base URL as an IP address, e.g., 66.210.xxx.xx, in my browser, I get a DB error: I cannot connect to the database because: Access denied for user 'root'@'localhost' (using password: YES)
It's a LAMP VM, hosted remotely, so I only have SSH access. I did turn off root access with password over SSH when I did the package upgrade; don't know if that's related. I don't login as root, so I didn't think I needed it.
The other noteworthy thing is that before I could start Apache, I had to edit my v-hosts.conf files, because they had this:
<Directory "/path/to/site"> allow from all Options -Indexes FollowSymLinks AllowOverride All </Directory>
I had to change the Options to:
Options -Indexes +FollowSymLinks
In order to restart Apache.