Marc Chisinevski

Works like a charm on RHEL 8.2. I documented the steps and added a short video at: https://github.com/marcredhat/quiz/blob/main/README.md TCExam rocks!

failed to set /proc/self/attr/keycreate

9

#### What happened: Running into https://github.com/docker/for-linux/issues/983 on RHEL 8.3 nodes dnf list --installed | grep container-selinux container-selinux.noarch 2:2.167.0-1.module_el8.4.0+942+d25aada8 @appstream #### What you expected to happen: #### How to reproduce it...

Add validating and admission plug-ins as requirements in the documentation. They are enabled by default in OpenShift but not in RKE2.

5

#### What happened: Default validating and admission plug-ins are enabled in OpenShift Container Platform 4.7. https://docs.openshift.com/container-platform/4.7/architecture/admission-plug-ins.html#validating-admission-plug-in_admission-plug-ins For RKE2, --enable-admission-plugins= in kube_apiserver_extra_args is needed as shown at https://gist.github.com/marcredhat/e0a18623c9bf465243eab1871bcd7237 Without --enable-admission-plugins as...

Support eBPF observability / container-optimized operating systems using Sysdig Secure captures

5

Container-optimized operating systems forensics need eBPF observability. (https://sysdig.com/blog/introducing-container-observability-with-ebpf-and-sysdig/) Sysdig Secure can automatically capture all system calls made by any process. These captures can easily be converted to JSON e.g. sudo...

Update to use the latest Istio Operator from Maistra

2

1) Cleanup if needed (careful, deleting projects...) oc delete crd installations.istio.openshift.com oc delete project istio-operator oc delete project istio-system 2) Create projects oc new-project istio-operator oc new-project istio-system 3) Add...

See https://github.com/tektoncd/pipeline/pull/857

Step-by-step doc at https://github.com/marcredhat/crcdemos/blob/master/fedora/netperfoperatordemo.adoc