-
Kubernetes: Find deprecated API versions
2 min read
On a Kubernetes cluster we might have deprecated versions of the object, so after updating it we might end up with something not properly working:
$ kubectl api-resources | grep Ingress\$ ingresses ing extensions/v1beta1 true Ingress ingresses ing networking.k8s.io/v1 true Ingress23/09/2021
Read more... -
Failed to provision volume with StorageClass "gp3": invalid AWS VolumeType "gp3"
3 min read
If we try to provision a gp3 Volume using a PVC on an EKS cluster we might get the invalid AWS VolumeType "gp3" error. This means we are using an outdated EBS CSI
21/09/2021
Read more... -
How to change the default StorageClass
2 min read
The default StorageClass is defined using the storageclass.kubernetes.io/is-default-class annotation as follows:
apiVersion: storage.k8s.io/v1 kind: StorageClass metadata: annotations: storageclass.kubernetes.io/is-default-class: "true" (...)To be able to change it we will have to removed from the current default and set it to the new one.
20/09/2021
Read more... -
Monitoring the progress of dd
2 min read
For a long time we were not able to properly monitor the progress of a dd command unless we were using pv of having another process to periodically send a SIGUSR1 to the dd process
17/09/2021
Read more... -
Using mixed_instances_policy to use Spot instances on an ASG
3 min read
If saving up to 90% for the same instance type is no reason enough to start using spot instances, to be able to use the same AutoScalingGroup to spawn both types of instances, saving us from the hassle of having to manage it by ourselves might help to change your mind
16/09/2021
Read more...