Containers

redpill me on kubernetes and docker

what's the difference between containers (and their orchestrators) and old school VMs/hypervisors?

With Oracle Solaris Containers you can maintain the one-application-per-server deployment model while simultaneously sharing hardware resources. An integral part of the Oracle Solaris 10 Operating System, Oracle Solaris Containers isolate software applications and services using flexible, software-defined boundaries and allows many private execution environments to be created within a single instance of the Oracle Solaris 10 OS.