Docker UnBlocker

Docker Swarm

What is the difference between Docker Swarm and swarm-mode?

What is docker-compose? How is it related to swarm-mode?

What's the difference between docker swarm-mode and docker run?

What are the equivalents of the following docker commands in swarm-mode?

• docker ps
• docker ls

How is a swarm configured?

Helpful Swarm Commands

Swarm Master

• Create a service
• Remove a service
• SSH to the host where a service is running

Swarm Agent

• Find out my IP address
• Connect to another host on the network using private IP address
• Connect to the internet

What is an overlay network?

How does service discovery work in an overlay network?

How to debug services names not resolving to IP addresses?

How to debug packets not reaching the destination IP addresses?

How to test connectivity from the master?

How to test connectivity from an agent?