What is a POD? A Pod is the smallest deployable unit that can be created and managed in Kubernetes. In the official documentation you can find much more theoretical information about Pods. In this post I try to go over practical usage of Pods. How to create and run a POD? There are mainly 2 ways of creating Pods in Kubernetes…

Playbooks are Ansible’s configuration, deployment, and orchestration language. They can describe a policy you want your remote systems to enforce, or a set of steps in a general IT process. At a basic level, playbooks can be used to manage configurations of and deployments to remote machines. You can read…

With Ansible you can automate the processes of installing packages or configuring applications. To install Ansible on Ubuntu all you need to do is add the package to system and then apt install it. $ sudo apt update $ sudo apt install software-properties-common $ sudo apt-add-repository --yes --update ppa:ansible/ansible $ sudo apt install…

Let’s create a new folder to work on, terraform file and a directory for our keys. $ mkdir -p key-pair-example/keys $ touch key-pair-example/main.tf Inside the folder key-pair-example run the command to create our keys. $ ssh-keygen -q -f keys/terraform-key-pair -C aws_terraform_ssh_key -N '' Now we can create our terraform file…

Let’s say you are creating an IAM policy with Terraform by using a seperate json file which includes the statement for the policy. In a typical statement we have 4 values to satisfy. These are Sid, Effect, Action and Resource. { "Version": "2012-10-17", "Statement"…

Imagine you need to create multiple instances with each different AMI, instance type, AZ etc. One way to achieve this is having multiple aws_instance resource with each different configuration. With this approach, you only write repetitive code which is not ideal. To not repeat ourselves, we can use for_each property. …