hi,
some hosting companies offer full support for their clients. This is very useful because you can devote to your website and not thinking about security update ... software update, hdd backups ....
I have full managed vps at vpswebserver company and this company says:
We offer support with live chat, e-mail, and ticket support system. We provide full 24/7 help desk support for all software that comes installed on your VPS server. This includes the OS and control panel, as well as all 3rd party software you use!. Additionally, we provide proactive security updates to ensure your server is always secure. What makes us really different and better than others is that we have team of programmers to help you. We have experts in PHP/MySql, SQL Server, .NET and Java (Level 2 support).