The Complete Guide to Kubernetes (3-Course Bundle)

This video will give you an overview about the course.

The aim of this video is to give the viewer an overview of what centralized monitoring and logging solution look like.

• Describe the benefits of centralized monitoring and logging

• Describe the EFK stack and how it fits with the centralized M&L solution

• Describe how data will flow from the Kubernetes cluster to the EFK stack

The aim of the video is to give the viewer an overview of Elasticsearch.

• Describe where Elasticsearch comes from, who built it, and when

• Describe Elasticsearch features, where it’s used, and why

The aim of the video is to give the viewer an overview of Fluentd.

• Describe where Fluentd comes from, who built it, and when

• Describe Fluentd features, where it is used, and why

The aim of the video is to give the viewer an overview of Kibana.

• Describe where Kibana comes from, who built it, and when

• Describe Kibana features, where it is used, and why

The aim of the video is to show the viewer how to implement and bootstrap the EFK Stack.

• Start from creating the initial empty VMs/resources

• Install Elasticsearch, Fluentd, and Kibana

• Send some data to Elasticsearch and briefly visualize it in Kibana

In this video, the viewer will learn how to create a Kubernetes cluster in Google Cloud Platform.

• Demonstrate how to create a Kubernetes cluster in GCP from the console

In this video, the viewer will learn how to configure the Kubernetes cluster to send metrics to the EFK stack.

• Configure Kubernetes to send metrics to the EFK stack

• Visualize the collected metrics within Kibana

In this video, the viewer will learn about the various ways it is possible to observe a Kubernete0073 cluster.

• Describe the various types of metrics collected from Kubernetes

In this video, viewers will learn what it means to run containerized workloads in Kubernetes and how to deploy them.

• Describe how one deploys apps to Kubernetes (i.e. deployments, container images, etc.)

• Deploy an application to Kubernetes

• Prove the application is working (i.e. visit its homepage, etc.)

In this video, viewers will learn to send application metrics to the EFK stack and how to make sense of those metrics.

• Configure workloads to send metrics and logs to the EFK stack

• Describe the application metrics and logs sent to the EFK stack from Kibana

In this video, viewers will learn to scale the application and how to analyze large amounts of application metrics and logs.

• Scale the application to a large number

• Generate fake load, so that metrics are also generated

• Demonstrate application metrics at scale

In this video, viewers will learn how to create Kibana dashboards, showing Kubernetes cluster-level metrics.

• Create a Kibana dashboard showing Kubernetes cluster metrics

In this video, viewers will learn how to create Kibana dashboards, showing application-level metrics.

• Create a Kibana dashboard showing application metrics

In this video, the viewer will learn how to debug and troubleshoot application issues, when those occur in the production environment.

• View the relevant application metrics dashboards in Kibana to identify the issue

• Understand how the issue has been identified and fixed, and observe how the metrics and graphs go back to a normal state

This video will give you an overview about the course.

Introduction to planning and installation of a Kubernetes cluster.

• Explain architectural decisions

• Select the install options

• Links for refences

Introduction to resource management in Kubernetes.

• Learn what a resource is and its types

• Learn about Pod

• Troubleshoot resource management issues

Pod fails to get scheduled due to insufficient cluster capacity.

• Look at Pod related events, for an indication on resource shortage

• Look at node details, to find out allocated and available capacity

• Reduce Pod resource requirement or add more capacity

Introduction and troubleshooting of issues with PSP.

• Check Pod related events for indication of PSP errors

• Check policy, role, and role bindings

• Create and modify the role and role bindings

Understand Kubernetes network model and basic network info gathering.

• Get an overview of the Kubernetes network model

• Understand the troubleshooting steps

• Perform Calico specific debugging

Introduction to network debug tool and it’s usage in troubleshooting.

• Use sample YAML

• Use ‘dig’ command

Pods unable to resolve network service.

• Deploy network debug tool in Pod network. and run basic network debug commands

• Look at network settings on the host

• Modify Kubernetes network settings or host network settings as required

Kubernetes dashboard loading is slow.

• Look at dashboard Pods and logs for any errors

• Look at the node running dashboard Pods for resource starvation, stats, and errors

• Modify Kubernetes network settings or host network settings as required

Introduction to multi-platform cluster, scheduling, node selectors, and node affinity.

• Understand what Kubernetes multiplatform clusters are

• Learn about Kubernetes scheduling primitives

• Explore node selectors and node affinity

Introduction to taints and tolerations.

• Introduction to both

• Look at Pod details and related events

• Look at further Pod details and related events

Explore the Pod restarting and in CrashLoopBackOff state post deployment, in a multi-platform cluster.

• Look at Pod related events

• Look at Pod logs

• Modify Pod specs for targeted deployment

Pod status remains in pending state.

• Look at Pod details and related events

• Look at cluster node details

• Modify Pod specs or update cluster as required

Introduce the options available for managing the Kubernetes cluster.

• Understand the lifecycle operations

• Have a look on Kubernetes dashboard

• Explore the kubectl command

Creating Kubernetes objects using kubectl CLI.

• Understand different approaches for object creation

• Explore kubectl create command

• Implement kubectl apply and delete commands

Viewing Kubernetes objects using kubectl CLI.

• Have a look at different examples

• Explore the usage of the get command

• Explore the usage of the describe command

Modify Kubernetes objects using kubectl CLI.

• Explore examples of Kubernetes object modification using the CLI

• Understand an example where a Pod getting OOMKilled due to low memory limit

Common issue when mixing declarative and imperative approaches with kubectl CLI.

• Understand an example where one person creates and scales the development

• Update to the container image

Introduction to Kubernetes dashboards.

• Explore the dashboard

• Explore the OpenShift dashboard

Introduction to logging in Kubernetes, and how to use basic logging in Kubernetes.

• Types of Kubernetes logging architecture

• Know about basic logging

Introduction to cluster level logging in Kubernetes, with details on logging patterns and visualizations.

• Understand cluster-level logging

Root cause missing logs in Kubernetes logging infrastructure.

• Look at basic Pod logs

• Look at node details

• Make node or Pod changes as required

Modifying the logging configuration as per requirement.

• Explore the dashboard

• Modify log on CLI

Introduction to monitoring and alerting in Kubernetes cluster, with brief details on RED and USE method.

• Understand the monitoring architecture and its steps

• Know the USE and RED method

Key resources and metrics to monitor the Kubernetes cluster.

• Know the key metrics to monitor – node, cluster, and pod

• View the metrics data

• Explore Grafana based monitoring dashboard

Introduction to alerting in Kubernetes and the creation of sample alerts.

• Know what alerting in Kubernetes cluster with Prometheus is

• Explore the Prometheus console

• Configure a new alert

This video aims explain replication controllers.

• Creating the replica set YAML Pod

• Limit the number of replicas

• Create service with N replicas

This video aims to deploy with replica sets.

• Create service with N replicas

• Get information about running replicas

This video aims to explore jobs.

• Submit job to K8S

• Specify restart strategy

• Gather info about the running job

This video aims to explain how to use deployments.

• Redeploy application

• Use rolling update strategy

• Analyze instances

This video aims to explain how to use DaemonSets.

• Create DaemonSet YAML definition

• Analyze selectors

This video aims to explain how to target deployment to specific nodes.

• Deploy using DaemonSet

• Specify rollout of the service

• Get the DaemonSet running

This video aims to explore how do we set the limits.

• Create autoscaling rule

• Specify minimum and maximum limit

• Create dynamic auto scale rule

This video aims to explore Capabilities and security policies.

• Create cert and key

• Create Pod that uses security

• Validate the same

This video aims to troubleshoot few application deployments issues.

• Deploy the Pod

• Get detailed info about state of the Pod

• Get the logs

This video aims to explain how to handle out of memory errors.

• Create Pod definition with memory limit

• Start Pod with limit

• Analyze memory limit of running pod

This video aims to explain how to handle garbage collection and eviction thresholds.

• Look at eviction threshold available in k8s

• See the ways of setting threshold for different type of limits

This video aims to explain the services which are available for Kubernetes.

• Create the load balancing service

• Add deployment

• Expose service and deployment on K8s

This video aims to explain service discovery and routing in Kubernetes.

• Create two independent services

• Expose both using k8s service discovery

• Test the connection between services

This video aims to demonstrate how to add ingress resources to your service.

• Add ingress to service

• Get IP and ports

• Use curl to put ingress traffic to the service

This video aims to demonstrate how to troubleshoot application access issues.

• Create service with N instances

• Troubleshoot the access problem

• Solve problem with exposing service deployment