Articles

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.

Sometimes error messages or log entries are too verbose for their own good, disclosing valuable information to attackers.

PHP is a powerful scripting language that has built-in database connectivity, simple syntax, one of the world’s largest support groups, and respect in enterprise scripting circles. When you have a scripting problem, PHP is good for what ails you.

TCP Wrappers are versatile, sophisticated, and surprisingly easy to use, and they can secure your servers from attack with run-time ACL reconfiguration.

Fstransform converts a filesystem without formatting the media or deleting any files.

Interoperability between *nix and Windows is always a problem for Windows Admins, but it doesn’t have to be. With a small effort, the two can comfortably share and share alike.

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.

Testing the system landscape for compliance requirements is not typically an administrator’s favorite task. The fairly new open source framework called OpenSCAP helps take some of the pain out of this chore.

With the seemingly unlimited number of Linux packages available today in repositories, sometimes it’s easy to get lost and miss out on the really high quality packages – those that offer the most impressive functionality.

IPv6 is establishing itself in everyday IT life, and all modern operating systems from Windows, through Mac OS X, to Linux have it on board; but if you let IPv6 introduce itself into your environment, you could be in for some unpleasant surprises.