Firecracker is a new open source virtualization technology—widely used by AWS as part of its Fargate and Lambda services—especially designed for creating and managing secure, multi-tenant container and function-based services. It enables to deploy workloads in...
We are working these weeks on improving one of OpenNebula’s most powerful components: OneFlow. OneFlow can be used to create, control and monitor complex services composed of groups of interconnected Virtual Machines that come with internal deployment...
Sometimes it can be hard to choose a CPU model for VMs. There are many factors that can limit our options, like security or performance restrictions, or even the hardware you are using in your data center. In this post, I’d like to share my approach for selecting a...
With the introduction of the new OpenNebula Hook Subsystem, the OpenNebula Hook Manager has been adapted to capture all OpenNebula events (API calls and state changes of VMs and Hosts) and publish them over a ZeroMQ publisher socket. By taking advantage of this new...
During the last months, at OpenNebula Systems we’ve been working on a complete redesign of the hooks subsystem. In this post we will go through all the new features. API Hooks One of the most powerful features that we have added is API Hooks, which allow the...