I Passed EX280: Red Hat OpenShift Administrator
A personal reflection on passing EX280 through official Red Hat training, objective-driven study, documentation, and hands-on OpenShift practice in my home lab.
Posts
Install an Additional NVMe SSD in the AOOSTAR GEM10
A practical hardware-to-Proxmox guide for adding a 2 TB Lexar NM790 NVMe SSD to the AOOSTAR GEM10 home-lab server.
Road to EX280: Preparing for OpenShift Administration
My EX280 preparation plan combines official Red Hat training and documentation with repeatable OpenShift practice in my Proxmox home lab.
Deploy a Single-Node k3s Kubernetes Cluster on Proxmox with kcli
A tested kcli workflow for deploying k3s on Proxmox, with the storage and kubeconfig problems I hit along the way.
Install kcli on macOS and Manage Proxmox VMs
A practical guide to running kcli on a Mac, configuring Proxmox API and SSH access, and creating the first VM from a cloud image.
Tips for Passing the EX188: Red Hat Certified Specialist in Containers
A hands-on preparation guide for EX188 covering Podman muscle memory, rootless containers, systemd integration, and exam-day habits.
I Passed EX374: What to Focus On for the Ansible Automation Platform Exam
The practical areas that mattered most in my EX374 preparation, from execution environments and Automation Controller to Git and reusable content.
Road to EX374: Developing Automation with Ansible
My hands-on EX374 preparation setup: a containerized AAP 2.6 lab, Git-based content, execution environments, and Ansible Navigator.