credativ® Blog
Here you will find interesting news about industry-specific topics and us.
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Category: HowTos
18 April 2019
The XEN hypervisor and microcode updates
One would think that microcode updates are basically unproblematic on modern Linux distributions. This is fundamentally correct. Nevertheless, there are always edge cases in which distribution developers may have missed something. Using the example of Ubuntu 18.04 LTS “Bionic Beaver” in connection with the XEN Hypervisor this becomes obvious when it comes to processors microcode […]
15 April 2019
PostgreSQL® anywhere — via Kubernetes with some help from OpenEBS
In this article we will look at the highly available operation of PostgreSQL® in a Kubernetes environment. A topic that is certainly of particular interest to many of our PostgreSQL® users. Together with our partner company MayaData, we will demonstrate below the application possibilities and advantages of the extremely powerful open source project – OpenEBS. […]
27 January 2019
Integrating Patroni into Debian
Patroni is a PostgreSQL high availability solution with a focus on containers and Kubernetes. Until recently, the available Debian packages had to be configured manually and did not integrate well with the rest of the distribution. For the upcoming Debian 10 “Buster” release, the Patroni packages have been integrated into Debian’s standard PostgreSQL framework by […]
21 December 2018
Azure Import Module for IcingaWeb2 Director
The migration of IT landscapes to cloud environments is common today. However, the question often remains how to monitor these newly created infrastructures and react to failures. For traditional infrastructure, monitoring tools such as Icinga are used. These tools are often deployed using configuration management methods, such as Ansible or Puppet. In cloud environments, this […]
30 May 2018
RabbitMQ - Message Oriented Middleware (MOM)
The message broker RabbitMQ is highly popular in business environments. Our customers often use the software to bridge different systems, departments, or data pools. Similarly, a message broker like RabbitMQ can be used to absorb short-term load peaks and pass them on normalized to backend systems. Operating the Erlang-written message broker is straightforward to seamless […]