One final option for increasing security within operating systems is operating system virtualization (also called virtual private servers).

增强操作系统内部安全性的最后一个选择是操作系统虚拟化(也称为虚拟专用服务器(virtual private servers))。

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Unfortunately, dedicated servers and virtual private servers tend to be quite expensive and, as a result, these are not viable options for deployment for everyone.

不幸的是，专用服务器和虚拟私有服务器非常昂贵，因此这不是针对大众的可行选择。

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Linux-VServer virtualizes the Linux kernel so that multiple user-space environments, otherwise known as virtual Private Servers (VPS), run independently with no knowledge of one another.

Linux - VServer对Linux内核进行虚拟化，这样多个用户空间环境——又称为Virtual Private Server (VPS)——就可以单独运行，而不需要互相了解。

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Now I have two servers in my house and everyone who needs to connects through our Virtual Private Network.

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The company's servers are based here and three other members of staff connect to them using a virtual private network.

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