Containers

Question 1

What’s DC/OS?

Answer 1

DC/OS is short for Datacenter Operating System, a distributed operating system using Apache Mesos as its kernel

Question 2

What’s apache mesos?

Answer 2

Apache Mesos abstracts CPU, memory, storage, and other compute resources away from machines (physical or virtual), enabling fault-tolerant and elastic distributed systems to easily be built and run effectively.

Question 3

What’s apache zookeeper?

Answer 3

ZooKeeper is a centralized service for maintaining configuration information, naming, providing distributed synchronization, and providing group services. All of these kinds of services are used in some form or another by distributed applications.

Question 4

What’s docker swarm?

Answer 4

Docker Swarm is native clustering for Docker. It turns a pool of Docker hosts into a single, virtual Docker host. Because Docker Swarm serves the standard Docker API, any tool that already communicates with a Docker daemon can use Swarm to transparently scale to multiple hosts.

Question 5

What’s rancheros?

Answer 5

A minimalist Linux distribution that was perfect for running Docker containers.
In RancherOS, the Docker daemon runs as first process the kernel starts when it boots