VirtualBox makes virtual installations of Windows and other operating systems easier than you'd think in Linux (as mentioned in our second look at Ubuntu 8.04, "Hardy Heron"), but the key missing ...

网络地址转换（NAT）技术于1994年提出，主要用于解决私有网络与公共互联网之间的通信问题。当内部网络中的设备已分配专用IP地址，仅限局域网使用，却需要与外部互联网主机进行通信时，可通过NAT实现。该技术无需加密，能将私有地址转换为公网地址，使 ...

Running multiple operating systems side-by-side gives you the chance to test applications, run platform-specific software, and tons more without ever rebooting. It's also extremely cool. Here's how to ...

How to create a VirtualBox virtual machine backup on a Linux host Your email has been sent Your data center might depend on virtual machines (VMs), and you might use VirtualBox for some of those VMs.

This how-to shows how to use free Ansible software to automate configuration of Cisco routers and links to other Ansible modules that apply to other vendors' gear and support other functionality ...

Why is it that the U.S. Government always releases a slew of RFPs just before Thanksgiving? I’ve been swamped working on proposals since the third week of November, but we got the last one submitted ...

VirtualBox is a free hypervisor for x86 computers developed by Oracle. By default, the drag and drop feature between the host and guest OS is not enabled. However, you can easily activate it. How to ...