rkt Intro

Security is a challenge for most companies. Especially those in periods of rapid growth. It is often taken for granted as we trust the frameworks we use to implement the necessary security protocols f …

Containers are the modern way of running your services at scale because of the portability and lightweightness. However, due to the fact that they depend on OS multi-tenancy as they share the same hos …

CNI promises container runtime systems the ability to swap in different third party networking plugins. With many 3rd party plugins available, it can be difficult to determine which, if any, are the b …

There is growing interest in running Spark natively on Kubernetes, and Spark data is often stored in HDFS. Kimoon Kim and Ilan Filonenko explain how to make Spark on Kubernetes work seamlessly with HDFS by addressing challenges such as HDFS data locality and secure HDFS support.

Recent headline-grabbing data breaches demonstrate that protecting data is essential for every enterprise. The best-of-breed approach for big data is HDFS configured with Transparent Data Encryption (TDE). However, TDE can be difficult to configure and manageissues that are only compounded when running on Docker containers. Thomas Phelan explores these challenges and how to overcome them.

Over the years Kubernetes has had a number of different approaches to building images on or for Kubernetes. Now is a good time to take stock of Kubernetes' image building support from the perspective …