Understanding the proliferation of data in your filesystem is key to being an administrator. Understanding file sizes and file ages and their distribution helps you tune filesystems for performance and develop policies for data management.

The Python Data Analysis Library, or Pandas, is built on top of the fast math library NumPy and makes analysis of large volumes of data an easy and efficient experience.

Logfiles contain extremely useful traces of everyday events – if only they weren’t so boring. Fortunately, special tools help you generate and even animate colorful, easily interpretable graphics.