Start a root shell in the node's host OS running. Uses an alpine pod with nsenter for Linux nodes and a HostProcess pod with PowerShell for Windows nodes.
s6 overlay for containers (includes execline, s6-linux-utils
s6-overlay is an easy-to-install (just extract a tarball or two!) set of scripts and utilities allowing you to use existing Docker images while using s6 as a pid 1 for your container and process supervisor for your services.