Machine Learning made clear: The Moustache Application

You always wanted to know if a moustache, a monocle or a parrot would suit you? For this year’s CEBIT we have developed a showcase to compare machine learning processes with GPU and CPU computing power live and vividly: The… Continue Reading →

Manage OpenStack VMs with Ansible

Ansible is very simple orchestration tool that can turn hours of work on setting up an environment to seconds. In the previous post, we showed the basics of using Ansible with OpenStack VMs as hosts. In this post, we are… Continue Reading →

Create and attach Cinder volumes with Ansible

Ansible’s cloud modules for OpenStack offer various modules to manage most of OpenStack’s components. In this post, we will show how to perform basic operations with Cinder volumes — create a volume, attach it to and detach it from a… Continue Reading →

Block-level data tracking using device mapper’s dm-era (e.g. for replication)

This blog post will be a full tutorial about the usage of the “era” target of device mapper, also known as “dm-era”. It provides a step by step walkthrough for setting up the device mapper mappings and parsing the resulting… Continue Reading →

Orchestrating OpenStack with Ansible

Ansible is an automation engine that offers a simple client-less solution for managing server configuration and application deployment using an SSH connection. With Ansible, one is able to automate repetitive tasks in the OpenStack based Cloud and, thus, save time and… Continue Reading →

Domains in OpenStack

Domains in OpenStack is an abstract structure used to segregate administrative units inside a cloud environment. Domains functionality is a part of Identity service (Keystone) API V3 since Grizzly release. Keystone is an identity service that provides authentication in OpenStack…. Continue Reading →

What is new in the OpenStack storage projects in the Newton release?

The fourteenth release of OpenStack brings countless of new features, enhancements, bug fixes, and updates. In general, the developers in the Newton release focused on and made the most progress in scalability, reliability, and high availability. In this article, we… Continue Reading →

Using Gnocchi as a Ceilometer backend

Ceilometer When offering their infrastructure, Cloud providers must also have a method to calculate bills for their customers. The costs are calculated based on the usage of the components. Generally, the calculation consists of three steps — metering, rating and… Continue Reading →

Cells and Availability zones

Cells and Availability zones are approaches allowing you to organize and categorize the resources in your OpenStack deployment — each of them in a different way. In this post, we will introduce these concepts and give a short overview of them…. Continue Reading →

Let’s party: Cloud&Heat turns five

Besides the completion of our Datacenter in a Box and the current excitement about our expansion to Scandinavia, we have almost forgotten something really important. But only almost, because there’s a reason to celebrate: Cloud&Heat Technologies becomes five years old…. Continue Reading →

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