Errata

Hybrid Cloud Apps with OpenShift and Kubernetes

Errata for Hybrid Cloud Apps with OpenShift and Kubernetes

Submit your own errata for this product.

The errata list is a list of errors and their corrections that were found after the product was released.

The following errata were submitted by our customers and have not yet been approved or disproved by the author or editor. They solely represent the opinion of the customer.

Color Key: Serious technical mistake Minor technical mistake Language or formatting error Typo Question Note Update

Version Location Description Submitted by Date submitted
Printed Page 12
5th paragraph

"The kubelet will restart containers upon recognizing that they have terminated unexpectedly ..."

=> The pod is the unit of execution in Kubernetes: the kubelet can't restart containers but can restart pods.
=> Replace containers with pods in the previous sentence.

 Gilles LE BRIS  Nov 09, 2021 
Printed Page 18
2nd paragraph

"With this health-check support, Kubernetes can recognize if your containers have crashed or become nonfunctional and restart them on your behalf."

=> Pods are the unit of execution in Kubernetes. Kubernetes can't restart containers, it can only restart the pod associated with the crashed containers.
=> "With this health-check support, Kubernetes can recognize if your containers have crashed or become nonfunctional and restart the corresponding pod on your behalf."

 Gilles LE BRIS  Nov 09, 2021 
Printed Page 19
Almost at the bottom

"$ kubectl exec -it nginx - bash"

=>It should be:
"$ kubectl exec -it nginx -- bash"
"--" instead of "-"

 Gilles LE BRIS  Nov 09, 2021 
Printed Page 23
3rd paragraph

"kubernetes.op/change-cause"

=>It should be:
"kubernetes.io/change-cause"
There is a typo in the specified annotation: .op -> .io

 Gilles LE BRIS  Nov 09, 2021 
Printed Page 29
Almost at the bottom

"The following example illustrates using the the oc new-app command ..."

=>"the the" -> "the"

 Gilles LE BRIS  Nov 09, 2021 
Printed Page 61
At the top of the page

"Pod security policies are essential for enforcing security and compliance."

=> PodSecurityPolicy is deprecated as of Kubernetes v1.21 (information known since at least April 06, 2021) -> KEP 2579 (March 20, 2021)

 Gilles LE BRIS  Nov 09, 2021 
Printed Page 73
in the middle

The yaml file describing the service definition is not correctly indented.
For example, "app: webserver" is not at the correct place.

 Gilles LE BRIS  Nov 15, 2021 
Printed Page 130
At the top of the page

The channel yaml file is not correctly indented.

 Gilles LE BRIS  Nov 25, 2021 
Printed Page 130
in the middle

The Subscription yaml file is not correctly indented.

 Gilles LE BRIS  Nov 25, 2021 
Printed Page 131
At the top of the page

The PlacementRule yaml file is not correctly indented.

 Gilles LE BRIS  Nov 25, 2021 
Printed Page 132
in the middle

The PlacementRule file displayed is not correctly indented.

 Gilles LE BRIS  Nov 25, 2021