Route 53 health check vs. ELB Target Group health check

Use ELB target group health check if the health check endpoint is a simple HTML webpage.

Use Route 53 health check if the health check endpoint makes a database query. This is because the Route 53 health check has an overall lower request count compared to the Target Group health check.

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How to install/upgrade/downgrade kubectl in Linux (Ubuntu)?

To install the latest version: curl -LO "https://dl.k8s.io/release/$(curl -L -s https://dl.k8s.io/release/stable.txt)/bin/linux/amd64/kubectl" curl -LO "https://dl.k8s.io/$(curl -L -s https://dl.k8s.io/release/stable.txt)/bin/linux/amd64/kubectl.sha256" echo "$(<kubectl.sha256) kubectl" | sha256sum --check sudo install -o root -g root -m 0755 kubectl /usr/local/bin/kubectl kubectl version --client kubectl version To install a specific (v1.19.0) version: curl -LO "https://dl.k8s.io/release/v1.19.0/bin/linux/amd64/kubectl" curl -LO "https://dl.k8s.io/v1.19.0/bin/linux/amd64/kubectl.sha256" echo "$(<kubectl.sha256) kubectl" | sha256sum --check sudo install -o root -g root -m 0755 kubectl /usr/local/bin/kubectl kubectl version --client kubectl version This will install kubectl client. Run minikube start to install kubectl server.

Application Load Balancer (ALB)

The ALB spans all subnets in a VPC i.e., it is not inside a subnet but VPC. ALB is bound to Target Groups (TGs). TGs are bound to subnets.

CloudFront

The user requests to get static contents served from CloudFront are directed to the nearby Edge locations .

Ayyappu MK

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