دي لو @walidshaari https://www.linkedin.com/in/walidshaari https://github.com/walidshaari/Kubernetes-Certified-Administrator • Infrastructure operations engineer • Deployed and Supported large scale distributed HPC Linux clusters • Advocating open source, automation, Iac, containers and Kubernetes • Leading Saudi Eastern province “Sharqaya” Dammam Docker, and AWS meetups
solve? • High availability and resiliency • Risk management and avoidance • Data governance and locality • Lock-in • Reality *Gartner, Predicts 2019: Increasing Reliance on Cloud Computing Transforms IT and Business Practices, December 2018
running containers Minimal Linux distribution No-Ops maintenance cost effective, resource utilization Immutable, Automation in mind Security in mind small attack surface API driven AWS Bottlerocket Talos OS
A-000, version 3.3.0 - name: A-001, version 3.4.9-1 Differences from desired state (config) - name: A-000, version 3.4.9-1 - should be 3 members (3 pods) How to get desired state (config) - recover one member - backup cluster - upgrade to 3.4.9-1
https://commons.openshift.org/events.html Openshift/OKD helper node https://github.com/RedHatOfficial/ocp4-helpernode https://www.youtube.com/watch?v=wZYx4_xBSUQ Learn Openshift/OKD https://learn.openshift.com/ https://www.katacoda.com/ Openshift blog https://www.openshift.com/blog Slack channels for user and developers https://kubernetes.slack.com/messages/openshift-dev/ Red Hat Advanced Cluster: https://www.redhat.com/en/technologies/management/advanced-cluster-management Check out: https://openshift.tv/