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 and practicing with Ansible.... Read more
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 where real virtual machines are required.... Read more
While Docker and Kubernetes make it easy to start and manage containers, there must still be a base system hosting the containers.... Read more
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 the containers that build an application is the task of container orchestration tools.... Read more
Container virtualization is one of the major technologies behind modern software architectures. While the concept of container virtualization is rather old, new tools extend the pure virtualization components with numerous features that facilitate the deployment of containerized software. Docker is the most prominent project in that field.... Read more
Turning source code into running services requires a series of steps. Continuous Integration (CI) and Continuous Delivery (CD) are key concepts behind automating, as much as possible, build and deployment processes. LPI covers CI/CD in objective 701.4.... Read more