Home

other trainings

https://connect.redhat.com/en/training/emea/course-catalog

actual docu

https://access.redhat.com/documentation/en-us/openshift_container_platform/4.15

network docu

https://docs.openshift.com/container-platform/4.13/networking/cluster-network-operator.html#cluster-network-operator

Useful Liks for the Bootcamp

Podman Podman-Desktop

https://podman.io/

https://podman-desktop.io/downloads

OpenShift Local / Sandbox

https://developers.redhat.com/products/openshift-local/overview

basic HandsOn

https://developers.redhat.com/learn/openshift/foundations-openshift

openshift expert group on FB

https://www.facebook.com/groups/2408147159411196

Shutdown OCP Cluster

1.) renew certificate

oc -n openshift-kube-apiserver-operator get secret kube-apiserver-to-kubelet-signer -o jsonpath='{.metadata.annotations.auth.openshift.io/certificate-not-after}'

###Then

for node in {node} -- chroot /host shutdown -h 1; done

Enable local Registry:

oc patch configs.imageregistry.operator.openshift.io cluster --type merge --patch '{"spec":{"managementState":"Managed"}}'

oc patch configs.imageregistry.operator.openshift.io cluster --type merge --patch '{"spec":{"storage":{"emptyDir":{}}}}'

oc patch storageclass lams-vg1 -p '{"metadata": {"annotations": {"storageclass.kubernetes.io/is-default-class": "true"}}}'

Backup and Restore

https://docs.openshift.com/container-platform/4.8/backup_and_restore/backing-up-etcd.html

https://docs.openshift.com/container-platform/4.8/backup_and_restore/disaster_recovery/scenario-2-restoring-cluster-state.html

SelfLearning

DO180

https://connect.redhat.com/en/training/course-catalog?m=c&id=46105986&utm_source=LOC

DO280

https://connect.redhat.com/en/training/course-catalog?m=c&id=46105987&utm_source=LOC