adj. 1  1. Arising from or going to a root or source; basic: proposed a radical solution to the problem. 2  2. Departing markedly from the usual or customary; extreme or drastic: a radical change in diet.
A security-minded, standards-based container engine. Overview. rkt is an application container engine developed for modern production cloud-native environments. It features a pod-native approach, a pluggable execution environment, and a well-defined surface area that makes it ideal for integration with other systems.
For other uses, see RPK (disambiguation). The RPK (Ruchnoy Pulemyot Kalashnikova, Russian: ÑÑÑÐ½Ð¾Ð¹ Ð¿ÑÐ»ÐµÐ¼ÑÑ ÐºÐ°Ð»Ð°ÑÐ½Ð¸ÐºÐ¾Ð²Ð° or Kalashnikov hand-held machine gun) is a 7.62Ã39mm light machine gun of Soviet design, developed by Mikhail Kalashnikov in the late 1950s, parallel with the AKM assault rifle.