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Teresa Giner Blog
Teresa Giner Blog

Teresa Giner Blog

Tiny Software Engineer working at Red Hat
CNCF Community member @CloudNativeIberia

Pretending I know something about Openshift while actually just breaking stuff.

I’ve decided this is the right place to keep my simple (yet very useful) notes somewhere handy in case there is someone as lost as I am. Welcome to cool tips and basic cheatsheets from an absolute beginner who just hopes to make your life easier and show you how not to mess up with your clusters.

RedHat-Logo-Hat-ColorRedHat-Logo-Hat-ColorSpoiler Alert: I’m focused in Telco 5G Infrastructure so don’t be surprised if the only stuff you can find out in this personal blog are baremetal distributed clusters!

Recent

Container image signature verification in air-gap environments.
·1 min
signature security air-gap
How can original signatures generated in an online container registry be used to verify them in a mirror registry in a disconnected environment?
Multi-cluster management in air-gap environments 2/2: leveraging RHACM Policies to automate the import and disconnection of ManagedClusters
·6 mins
multicluster rhacm policies ztp
How could we automate with ACM Policies the import and later disconnection of many ManagedClusters from a Hub cluster?
Multi-cluster management in air-gap environments 1/2: how to import multiple clusters in ACM and disconnect them
·7 mins
multicluster rhacm air-gap
As organizations scale, the complexity of managing multiple Kubernetes clusters becomes a pressing challenge.
Monitoring ZTP policies deployment on ManagedClusters
·3 mins
ztp openshift kubernetes
Dealing with Zero Touch Provisioning in Openshift at the edge involves implementing both cluster provisioning and Day-2 operations in a fully automated way through GitOps practices in Red Hat ACM.
PTP from scratch: from switch to OpenShift configuration
·11 mins
ptp openshift kubernetes
What would you do if you were given a new Arista ToR switch and a baremetal Openshift cluster and had to configure PTP on some of the nodes?