Syncing Dev\Backup Web Site with Public Web\Site

[Stephen]

I have a LAMP environment both at home and on my web host.

I use a lot of PHP and MySQL.

I would like to able to an update on my home system, and then sync the 
files and database on my web host. In an automated process.

Are there any tools that do this?

Just looking for suggestions as to where to begin.

Thanks
Stephen
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