Much has been written about how to set up different monitoring tools to look after the health of your Linux servers. This article attempts to present a concise overview of the most important metrics available on Linux and the associated tools. CPU utilization CPU usage is usually the first place we look when a server [...]

NoSQL databases have generated a lot of buzz in recent years, but in this installment we will take a look at a NoSQL database which seems to have been around forever. BerkeleyDB – the grand-daddy of NoSQL databases – started out as a project at UC Berkeley aimed at providing a simple but powerful database [...]

People who are familiar with me know that there are two things I’m not forgiving about. The first is backups, the second is security. If backups interest you, perhaps we can discuss it some other time. This time we’re going to discuss security. I’m going to outline in the following article some of the best [...]

dstat & sar iostat, vmstat, ifstat and much more in one. Vmstat, iostat, and ifstat can be replaced by the much more versatile dstat. It increases the number of features and overcomes many of the limitations associated with those other programs. Dstat allows for instant system resource viewing; this includes comparing disk usage with IDE [...]

Market intelligence firm IDC has said that global revenue from Linux operating systems has grown 23.4% from 2007 to 2008. They also believe it will continue to grow at a compound growth rate of 16.9% through 2013. Following this double digit growth rate, revenue from Linux operating system software will cross the $1 billion dollar [...]