We just uploaded images for OpenStack, VMware and KVM to make it easy for more of you to be involved in the CoreOS developer alpha. These images come fresh from our build system and we would love your feedback on what is working and what isn't.
Today we would like to announce etcd, a highly available key value store for shared configuration data. CoreOS built etcd to solve the problem of shared configuration and service discovery. etcd is inspired by projects like Zookeeper, or doozer, but is a completely new piece of software. Some of the key design features:
System upgrades can introduce problems, and when upgrades go bad, manual steps need to be taken to get machines back up. The problem is compounded on public cloud infrastructure since you often have large numbers of machines, and getting to a recovery console can take a while.