Try this
Replace
<Directory /usr/share/phpMyAdmin/>
<IfModule mod_authz_core.c>
# Apache 2.4
<RequireAny>
Require ip 127.0.0.1
Require ip ::1
</RequireAny>
</IfModule>
<IfModule !mod_authz_core.c>
# Apache 2.2
Order Deny,Allow
Deny from All
Allow from 127.0.0.1
Allow from ::1
</IfModule>
</Directory>
With this:
<Directory "/usr/share/phpMyAdmin/">
Options Indexes FollowSymLinks MultiViews
AllowOverride all
Order Allow,Deny
Allow from all
</Directory>
Add the following line for ease of access:
Alias /phpmyadmin /usr/share/phpMyAdmin