Encrypting hard disk partitions during the installation of an operating system is standard procedure. When booting the computer, you then need to enter a matching passphrase to unlock the hard drive. We show you how to automate this process and link it to a policy.

Data on AWS S3 is not necessarily stuck there. If you want your data back, you can siphon it out all at once with a little Python pump.

Graphite converts confusing columns of time series data into handy diagrams, showing trends in operating system and application metrics at a glance.

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.