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Roberto Carratalá

Linux Geek. Devops & Kubernetes enthusiast. SSA @ Red Hat.

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DNS Forwarding in OpenShift

How can I use a custom DNS in our cluster without modify the actual cluster DNS on top of for example AWS or Azure? How can I forward custom DNS and use spec...

DNS Deep Dive in OpenShift 4

How the DNS of OpenShift 4 works? And the operators to manage them? And how can I check the resolution basics within and externally to my OCP4 cluster?

Service Mesh Installation

How to install Service Mesh easy, straight forward and with a basic but fully operational installation on top of OpenShift 4? And how are the advantages and ...


UPI Installation of OpenShift 4

How we can install OpenShift4 in UPI mode in AWS? How we can do in an semi-automatic way? Which are the caveats and the steps to execute?


Share Vault between Ansible Core Roles

Sometimes you need to share the Ansible Vault between the different Ansible Roles, because you want to integrated within Tower or just in different Workflow ...


Custom Backup Satellite 6

Some time ago, a customer ask for a question about Satellite 6.1.x: how about the backups? So, I deep further into the oficial documentation and I found a s...

Control Pacemaker Resources with Ansible

When an Openstack is installed and configured in High Availability in the several pieces that is divided (haproxies, controllers, backends, etc) there is a l...

Hello world!

Finally I have some time to push the first post (and I hope not the last ;D) of my new brand blog.