Issue 20: IPv6 Firewall

UTM systems combat all kinds of dangers under the policy of Unified Threat Management. The demands and expectations of customers fuel competition. Two of the most popular manufacturers – Endian and Sophos – have now released new versions of their solutions.

Never change a running system: If you are happy with your Small Business Server, you don't need to upgrade to the latest Windows server, but you should stay up-to-date. We show the pitfalls of installing updates.

Docker helps the Linux container achieve an appealing comeback and integrates some features missing from earlier container solutions.

In the scope of developing Fedora 20, the live snapshot function, which has long been supported by libvirt, was integrated with the graphical front end. If you prefer to avoid command-line acrobatics à la Virsh, you can now freeze your virtual KVM and Xen machines in VMM at the press of a button.

Manually maintaining large IT infrastructures almost inevitably leads to errors. Enter Canonical's Landscape, a commercial tool that uses a web interface and an API to gather information, render it graphically, and complete maintenance work.

Although Nagios gets lots of attention, the popular network monitoring tool Zabbix is free, can configure hosts for direct monitoring in the web interface, and now can also monitor VMware machines in version 2.2.

Web application development is becoming increasingly complex, and the number of libraries and frameworks available for the job can be overwhelming. We take a look at the popular JavaScript-based Node.js.

Companies wanting to operate Exchange for high availability need to work with database availability groups. In this article, we show you what to watch out for, looking into how DAGs work and how to use them.