Nahuel Hernandez

Nahuel Hernandez

Another personal blog about IT, Automation, Cloud, DevOps and Stuff.

EX180 Red Hat Certified Specialist in Containers and Kubernetes Exam Tips

EX180 is a 2 hours hands-on exam about Containers, Kubernetes, and Openshift. It is based on Podman instead of Docker, and this is a significant improvement in security and a bit more isolated because it is Rootless and Daemonless. Also, the exam tests your skills in some specified Openshift topics such Source-2-Image, Templates, Routes, and so on.

8-Minute Read

EX180

The EX180 certification is a 2 hours hands-on exam and tests your skills on Containers, Kubernetes and Openshift.

EndeavourOS Linux I3 Setup

EndeavourOS is another Arch Linux based distribution. All worked out of the box and the installation was straightforward. On the other hand, EOS comes with an I3 setup option. I3 is a dynamic tiling window you can do everything using your keyboard, perfect for #productivity and to have a minimalist and very fast environment.

4-Minute Read

EOS

I installed Endeavors using the installer from the live environment with encryption on the disk, swapping for hibernating with a few clicks, and so on. EOS + I3 is an excellent combination, after testing Manjaro, Arch, Debian, and Fedora. I feel confortable with this setup. In brief EOS + I3 is an excellent combination to have an amazing environment to use every day.

Kubernetes Applications on Raspberry PI 4

I want to deploy some testing applications on Kubernetes with automatic deployments triggered from a Git repository. So this was a fantastic excuse to build a Raspberry PI 4 Rack for self-hosting applications. The solution includes K3S (lightweight Kubernetes), Jenkins (for the CICD pipeline), Docker (to build and host the container images), and Gitlab CE (self-managed GitLab). This combination allows me to don't need any external service.

9-Minute Read

raspberry

I need to deploy applications to a Self-hosted K8S Cluster. Also, I need to automate the deployments using Jenkins and an own Git server for the applications code using Gitlab CE. I will use 2 Raspberry PI for the solution. On the first Raspberry PI (aka rpi4a) I will install Kubernetes and Docker, and on the second (aka rpi4b), I will install Gitlab and Jenkins.

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Over 15-year experience in the IT industry. Working in SysOps, DevOps and Architecture roles with mission-critical systems across a wide range of industries. Wide experience with AWS, Terraform, Kubernetes, Containers, CI/CD pipelines, and Linux. Always keeping up with the latest technologies. Passionate about automating the run of the mill. Big focus on problem-solving.