Docker with Kubernetes Administration Training

System administrators and Devops professionals who want to understand and use Docker and Kubernetes in enterprise and cloud environments.

• Proficiency with the Linux CLI (GL120 "Linux Fundamentals).
• A broad understanding of Linux system administration (GL250 "Enterprise Linux Systems Administration")

Outline of Docker with Kubernetes Administration Training Chaper 1. Container Technology Overview

• Application Management Landscape
• Application Isolation
• Resource Measurement and Control
• Container Security
• Open Container Initiative
• Docker Ecosystem

• Lab Tasks

• Container Concepts runC
• Container Concepts Systemd

Chapter 2. Installing Docker

• Installing Docker
• Docker Architecture
• Starting the Docker Daemon
• Docker Daemon Configuration
• Docker Control Socket
• Enabling TLS for Docker
• Validating Docker Install

• Install Docker via Docker Machine
• Protecting Docker with TLS

Chapter 3. Managing Containers

• Creating a New Container
• Listing Containers
• Viewing Container Operational Details
• Running Commands in an Existing Container
• Interacting with a Running Container
• Stopping, Starting, and Removing Containers
• Copying files in/out of Containers
• Inspecting and Updating Containers

• Managing Containers
• Configure a docker container to start at boot.

Chapter 4. Managing Images

• Docker Images
• Listing and Removing Images
• Searching for Images
• Downloading Images
• Committing Changes
• Uploading Images
• Export/Import Images
• Save/Load Images

• Docker Platform Images

Chapter 5. Creating Images with Dockerfile

• Dockerfile
• Caching
• docker image build
• Dockerfile Instructions
• ENV and WORKDIR
• Running Commands
• Getting Files into the Image
• Defining Container Executable
• Best Practices

• Dockerfile Fundamentals

Chapter 6. Docker Volumes

• Volume Concepts
• Creating and Using Internal Volumes
• Managing Volumes
• Changing Data in Volumes
• Removing Volumes
• Backing up Volumes
• SELinux Considerations
• Mapping Devices

• Docker Volumes

Chapter 7. Docker Compose/Swarm

• Concepts
• Compose CLI
• Defining a Service Set
• Docker Swarm Proxy (Legacy)
• Docker Engine Swarm Mode (Modern)
• Creating a Swarm
• Creating Services

• Docker Compose
• Docker Swarm Proxy
• Docker Engine Swarm Mode

Chapter 8. Docker Networking

• Overview
• Data-Link Layer Details
• Network Layer Details
• Hostnames and DNS
• Service Reachability
• Container to Container Communication
• Container to Container: Links
• Container to Container: Private Network
• Managing Private Networks
• Remote Host to Container
• Multi-host Networks with Overlay Driver

• Docker Networking
• Exposing Ports
• Docker Links
• Multi-host Networks

Chapter 9. Docker Registry

• Docker Registry
• Docker Registry (secured)
• Docker Content Trust

Chapter 10. Kubernetes Intro and Concepts

• Cloud Computing in General
• Cloud Types
• Cloud Native Computing
• Application Containers
• Containers on Linux
• Container Runtime
• Container Orchestration
• Kubernetes
• Concepts, Objects Categories, and Architecture
• Kubernetes Master
• Kubernetes Note

• Health Check
• Understanding Linux Namespaces
• Basic Docker Functionalities

Chapter 11. Installing Kubernetes

• Picking the Right Solution
• One Node Kubernetes Install
• Kubernetes Universal Installer
• Install Using kubeadm
• Kubernetes Networking

• Check Kubernetes Status
• Run the First Pod

Chapter 12. Accessing Kubernetes

• Accessing the Kubernetes Cluster
• Controlling Access to the API
• Authorization
• Role Based Access Control
• Roles and ClusterRoles
• Role Bindings

• Browse the Kubernetes API
• Use RBAC to Control Access to the API

Chapter 13. Kubernetes Workloads

• The Pod
• RestartPolicy Examples
• InitContainers
• Operations on Pods
• Replication Controller
• Working with Replication Controller
• Deployments
• Working with Deployments
• Jobs, CronJobs
• Jobs Example
• CronJobs Example
• DaemonSets

• Pods Operations
• Replication Controller Operations
• Using Jobs
• Using DaemonSets

Chapter 14. Scheduling and Node Management

• The Kubernetes Scheduler
• Assigning Pods to Nodes
• Assigning Pods to Nodes – Node Affinities
• Assigning Pods to Nodes – Pod Affinities
• Taints and Tolerations
• Managing Nodes

• Scheduling Pods to Nodes
• Using Affinities

Chapter 15. Accessing the Applications

• Services
• Service Types
• Working with Services
• Ingress
• Ingress Definition
• Working with Ingress
• Network Policies
• Network Policy Example

Chapter 16. Persistent Storage in Kubernetes

• Volumes
• Volume Example
• Volume Types
• Persistent Volumes
• Persistent Volume Example
• Secrets
• Using Secrets as Environmental Variables
• Using Secrets as Volumes
• ConfigMaps

• Share a Volume in Two Containers
• Set the Root Password for a Mysql Pod Using Secrets
• Use ConfigMap to Pass a File to a Pod

Chapter 17. Logging, Monitoring, and Troubleshooting

• Logging Architecture
• Monitoring
• Troubleshooting

• Investigate the Logging in Kubernetes
• Monitoring Kubernetes
• Upgrading Kubernetes