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Gurulabs content >> GL390 Openshift Administration

GL390 - Openshift Administration

 

This hands-on course with lab exercises will help learners to install and manage an OpenShift cluster. Throughout the course learners will understand the benefits and purposes of the platform. This includes how to install the cluster, explore networking concepts, understand commands, manage OpenShift resources, configure storage, manage application deployments, and administer the cluster through logging and monitoring.

Prerequisites:

Learners will need a working knowledge of Linux systems administration skills or the equivalent knowledge of skills found in the GL124 - RHEL System Admin 1 and GL134 - RHEL System Admin 2 courses.

Supported Distributions:
Red Hat Enterprise Linux 8
Recommended Class Length:
4 days
Detailed Course Outline:
  1. INSTALLATION AND CORE CONCEPTS
    1. OCP 4.x Installation
    2. DEMO: Installing OpenShift on AWS
    3. Kubernetes Architecture
    4. Cluster Communication
    5. Objects
    6. Object Properties
    7. Labels & Selectors
    8. Annotations
    9. Object Management
    10. Image Fundamentals
    11. Container Fundamentals
    12. Pod Fundamentals
    13. Working with Pods
    14. Openshift Overview
    15. DEMO: Configuring an Identity Provider
    16. DEMO: Openshift Web Console
    LAB TASKS
    1. Container and Pod Fundamentals
    2. Pod Fundamentals
    3. Openshift CLI Basics
    4. Openshift GUI Basics
  2. APPLICATION LIFECYCLE MANAGEMENT
    1. Pod Lifecycle
    2. Container Lifecycle
    3. Init Containers
    4. Container: command and args
    5. Container: Defining Environment
    6. ReplicaSet
    7. Deployments
    8. Working with Deployments
    9. Deployment Rollouts
    10. DEMO: Sock Shop Microservice on OpenShift
    LAB TASKS
    1. Pod Lifecycle
    2. Init Containers
    3. Deployments
    4. Scaling Workloads
  3. NETWORKING
    1. Network Overview
    2. Openshift Networking
    3. Service Discovery & CoreDNS
    4. Container Network Interface (CNI)
    5. Services
    6. Ingress Objects
    7. DEMO: Installing a Valid SSL Certificate
    LAB TASKS
    1. Port-Forwarding
    2. Services
    3. Openshift Routes
  4. STORAGE
    1. Storage
    2. Volume Types
    3. Static Volumes (DEMO)
    4. ConfigMaps
    5. Secrets
    6. Openshift Container Storage
    LAB TASKS
    1. (DEMO) Static Volumes
    2. (DEMO) —GUI— Deploy GitLab with Persistent Storage
    3. (DEMO) —CLI— Deploy GitLab with Persistent Storage
    4. (DEMO) ConfigMaps & Secrets
    5. Static Volume Provisioning
    6. ConfigMaps and Secrets
  5. SCHEDULING
    1. Controlling and Tracking Resources
    2. Scheduler Operation
    3. DaemonSet
    4. Node Affinity & Anti-affinity
    5. Pod Affinity & Anti-affinity
    6. Taints & Tolerations
    LAB TASKS
    1. (DEMO) Affinity and Taints
    2. Pod Resources and Scheduling
    3. Static Scheduling and Daemonsets
    4. Pod and Node Affinities
  6. SECURITY
    1. Controlling Access to the Kubernetes API
    2. Kubectl Configuration
    3. Role–Based Access Control
    4. Service Accounts
    5. Admission Controllers
    6. PodSecurityPolicy Admission Controller
    7. Default Admission Controllers
  7. LOGGING
    1. Logging Basics
    2. Aggregated Cluster Logging
    LAB TASKS
    1. DEMO - Cluster Logging
  1. JOBS AND CRONJOBS
    1. Jobs
    2. CronJobs
    LAB TASKS
    1. Jobs
    2. CronJobs
  2. LINUX CONTAINERS
    1. Application Management Landscape
    2. Application Isolation
    3. Resource Measurement and Control
    4. Container Security
    5. OverlayFS Overview
    6. Container Security
    7. Open Container Initiative
    LAB TASKS
    1. Container Concepts runC