Software-Defined Networking (SDN) marks a paradigm shift toward a more holistic approach for managing networking hardware. The Floodlight OpenFlow controller offers an easy and inexpensive way to experience the power of SDN.

PowerDNS is an amazing, feature-rich, and versatile DNS server option.

For once, admins and users agree: They want more resiliency and higher bandwidth on the network. Link aggregation, in line with IEEE 802.1ax b-2008, offers both – with some minor restrictions.

VirtualBox is a popular virtualization choice on the desktop. In this article, we show how you can also run VirtualBox on a Linux server – with all the comforts of a graphical user interface.