One resource extremely important to your applications is system memory, which is why many systems use error-correcting code (ECC) memory. ECC memory can typically detect and correct single-bit memory errors, and Linux has a reporting capability that collects this information.

For years, the replacement of physical PCs with virtual PCs has been touted as a mass movement, but so far, the revolution has not taken place. We explore the background.

Anyone who has tried to to run graphics-intensive applications using an application-sharing protocol like RDP knows how miserably these technologies fail. But the PCoIP protocol and special hardware means that even heavy-duty workstations can operate remotely.

Even Windows doesn’t have to have an expensive network monitoring tool. The free Total Network Monitor helps you keep an eye on your network.

Admins who use Microsoft servers don’t have to rely on Exchange for email with alternatives like the IceWarp mail server.

Time and again, situations arise in which admins need access to a system they do not otherwise manage. But, do you want to hand over responsibility for password management to a centralized software? What capabilities must that software have?

Traditional administration command-line tools such as ifconfig, route, and arp are almost as old as TCP/IP itself. We provide an overview of how the IPRoute2 toolkit now unifies the management of kernel network components.

Although FTP still does loyal service despite its age, if you need to send sensitive data, you should consider managed file transfer.

PowerDNS is a secure, scalable, and reliable DNS server solution licensed under the GPL. We show you how to create a primary server with a MySQL back end managed by a Poweradmin web GUI.

Red Hat massively expanded its cloud portfolio during 2012. This overview can help you evaluate Red Hat’s products in the context of VMware and others.