KDAB, a German consulting firm that develops graphics and visualization tools, has released Hotspot 1.0, a GUI too for visualizing performance data generated by the Linux perf tool. Perf analyzes ...

Tuning Linux systems for performance is an essential task for any system administrator, but it also is one of the least documented. Without a hard-won understanding, performance tuning often can seem ...

Twice a year, a group of scientists in Europe and the United States release a list of the world's 500 most powerful computing systems. The Top 500 list is the most prestigious ranking of its kind, ...

At only a few years old, Clear Linux hasn’t been around long enough to start appearing in top-ten distro lists all over, but it’s an OS that offers enough uniqueness to warrant a fair look. At a basic ...

The sar command can provide detailed system metrics on just about every aspect of system performance. You can query it on as as-needed basis or set it up to provide daily reports. Sar is a system ...