DevOps: Puppet, Docker, and Kubernetes

Building datastore

In order to persist the Kubernetes cluster information, we need to set up datastore. Kubernetes uses etcd as a standard datastore. This section will guide you to build the etcd server.

How to do it…

The etcd database requires Linux OS; some Linux distributions provide the etcd package and some don't. This section describes how to install etcd.

Red Hat Enterprise Linux 7 or CentOS 7

Red Hat Enterprise Linux (RHEL) 7, CentOS 7 or later has an official package for etcd. You can install via the yum command, as follows:

//it will perform to install etcd package on RHEL/CentOS Linux
sudo yum update -y
sudo yum install etcd 

Ubuntu Linux 15.10 Wily Werewolf

Ubuntu 15.10 or later has an official package for etcd as well. You can install ...