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I've been playing around with Ubuntu 14.04 since it came out a few weeks (days?) ago. One thing I needed was to be able to use phpMyAdmin to access multiple development MySQL servers. Since I haven't found very good documentation on this, I wanted to post it here so that it hopefully helps others.
Note that I won't help with MySQL privileges here. I'll assume you just want the same setup as I have: 1 LAMP server, several MySQL servers with remote root access. You'll have to verify that you can actually access the MySQL servers remotely as root.
So first, install phpMyAdmin:
sudo apt-get updatesudo apt-get install phpmyadmin
It'll ask you a bunch of questions. Since the MySQL servers are remote, just say "No" to any database question. For the web server question, choose the one you used (most probably Apache).
Next, just copy the sample configuration Ubuntu includes for multiple hosts:
sudo cp /usr/share/doc/phpmyadmin/examples/config.manyhosts.inc.php /etc/phpmyadmin/conf.d
That will copy the file into /etc/phpmyadmin/conf.d/ which I assume won't be blown away by an Ubuntu phpMyAdmin update. Then edit the file and change the $hosts array to whatever your servers' hostnames or IP addresses are.
$hosts = array ("db01.example.com","db02.example.com",);
These will be listed in a dropdown box below the Username/Password fields.
That's it! Since I setup my development MySQL servers without a root password, I added the following before the last brace:
$cfg['Servers'][$i]['AllowNoPassword'] = TRUE;
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