Explore the ECS cluster

Let's take a minute to talk a little more…about the ECS agent and kind of demystify it.…The ECS agent is just a program,…it's not magic.…In fact, its source code is available…right here on GitHub, so you can go…and check out the source code if you want.…In fact, the only requirement for an instance…to become part of your cluster is that you…install and run this piece of software on it.…So to show that, I've made an instance here…that is part of the same security group…that my cluster requires and is in…the same instance role as the rest…of my cluster, as we can see here…by looking at the IAM role.…

Now I'm going to go ahead and SSH…into that instance and make it part…of the cluster.…I'm going to start by running sudo yum…install ECS agent.…Now it's installed the agent.…I'm going to go ahead and make sure…docker is running.…Sudo service Docker start.…Okay, docker's up and running.…

Now let's tell this instance to start running the agent.…Sudo start ECS.…Okay, wow, let's see if that's doing anything.…An excellent way to debug agent problems…