6 notes
Infrastructure as Code · 29 min
A hands-on Terraform walkthrough on AWS: launch EC2, read the state file, handle drift, use map variables, provisioners, outputs, an S3 backend, workspaces and modules.
Kubernetes · 22 min
Build a three-node Kubernetes cluster with kubeadm on EC2 or VirtualBox, resolve common CNI and certificate errors, then create an Amazon EKS cluster and deploy a multi-tier app.
Cloud & AWS · 9 min
Build a custom VPC step by step with an internet gateway, public and private subnets and a route table, then launch an EC2 instance and confirm what makes a subnet public.
Cloud & AWS · 21 min
Build code with AWS CodeBuild and a buildspec.yml, deploy it to an Auto Scaling group with CodeDeploy, and connect both into a pipeline with AWS CodePipeline.
Cloud & AWS · 24 min
Launch an EC2 instance and connect over SSH, then add a launch template, an Auto Scaling group, an Application Load Balancer and a CloudWatch alarm, with fixes for common errors.
Linux · 10 min
Bash scripting from first script to loops: variables, input, arguments, command substitution, if, for and while, ending with a safe script that launches and cleans up EC2 instances.
