Blog

This is Episode 1 of a new podcast series. Marcel hangs out and chats with people who have been captured by the spirit and promise of Linux and Open Source software. Open Source is part philosophy, part technology, and part … Weiterlesen

Cloud computing companies have become commonplace. Business people recognize that cloud-based software and services make it possible to use computing resources more efficiently. Large capacity servers in massive server farms can run applications and services and provide good performance. The cloud … Weiterlesen

Way back, in my late teens, when dinosaurs still roamed the Earth, I had created myself a geek’s paradise in my basement. I had a chemistry lab, with equipment sourced through my high school, a microscope, a telescope, and an … Weiterlesen

It’s good to be back. After being a central part of the birth of LPI more than two decades ago, I am delighted to be back here in the role of Director of Community Development. My new role is to … Weiterlesen

Congratulations, you’ve made it to the final posting in our DevOps Tools Introduction series. Throughout the last few months, we’ve explored new topics each and every week. Working through all the referenced resources was a significant investment of time. In … Weiterlesen

While running, most applications, containers and virtual machines constantly generate information about numerous events. These events can be anything from severe errors to a simple notice that the server successfully answered a request. Collecting and analysing this log data become … Weiterlesen

While we have talked a lot about application deployment, we still need to cover how to keep these applications up and running. The DevOps Tools Engineer exam covers IT Operations and Monitoring in objective 705.1. The core technology of this … Weiterlesen

In addition to Ansible, which is covered in great detail in the DevOps Tools Engineer exam, several other configuration management tools exist. Objective 704.2 expects you to know the architecture and basic features of Chef and Puppet. The Chef documentation … Weiterlesen

Objective 704.1 of the DevOps Tools Engineer exam covers configuration management using Ansible. With a weight of eight, this is one of the most important topics on the exam. This should be reflected in the time and effort spent learning … Weiterlesen

The last few DevOps tools blogs focussed on container virtualization. One of the major benefits of containers is their incredibly fast startup time and their small overhead. However, containers are not suitable for every type of deployment. There are situations … Weiterlesen

While Docker and Kubernetes make it easy to start and manage containers, there must still be a base system hosting the containers. These systems form the infrastructure on which containers run and are covered by objective 702.3 of the DevOps Tools … Weiterlesen

While individual Docker containers usually run a single program, applications in a microservice architecture are usually composed by combining multiple containers; each contributing a specific set of features that make up the complete application. Coordinating the creation and maintenance of … Weiterlesen