Pulumi AWS Example - Creating VPC, Subnets, EC2, Bastion host
In this article, we are going to see how to set up compute infrastructure consisting of virtual private cloud, subnets, internet gateway, NAT gateway, route tables and EC2 instances in Amazon web services using one of the most competent IaC tool 'Pulumi' In addition...
Redis - Get Memory Usage and TTL of all keys | Devops Junction
In this article, I am going to share a shell script to help you get the TTL (time to live) and Memory Usage of all the keys available in Redis DB Every tool/technology that we use in infrastructure comes with a certain cost of management. Redis, a memory-intensive...
Ansible Retry Examples - Retry a task until condition met | DevopsJunction
in this article, we are going to see how to retry an ansible task until it meets a certain condition or validation. It is more like do sometask until somecondition kind of setup available in all the programming and scripting languages Ansible lets you execute a task...
How to restart all deployments in namespace - Kubectl | Devops Junction
Restart Namespace all Deployments after k8s v1.15 You can simply use the kubectl rollout restart command that takes care of restarting all the deployments in a namespace If you specify only the namespace and not a specific deployment, all the deployments in the...
Clone EBS Volumes between AWS EC2 with Pulumi | Devops Junction
I had an Infrastructure as an automation requirement recently, where I had to create a solution that will find EBS volumes attached to an EC2 instance and create snapshots of the same and clone it and attach these cloned volumes to another EC2 instance. I know it was...
AWS EKS Load Balancer from Kubernetes Service | Devops Junction
In this article, we are going to see how to create internal and external load balancers using the Kubernetes service on EKS When we think about making an application or deployment available externally or internally over a Domain name We think of Kubernetes Ingress but...
Creating EKS Cluster with SPOT instances - Terraform | Devops Junction
In this article, we are going to see how to create an EKS Cluster with SPOT and OnDemand instances using Terraform. If you have prior experience with AWS, you might know what is SPOT instances and ondemand instances are. Let us start with a quick introduction towards...
Terraform ebs_block_device example - Multiple EBS volumes AWS EC2
In this article, we will see an example of how to use ebs_block_device mapping with AWS EC2 instance This article would use the template of Multiple EC2 instance creation using for_each and count together. It is highly recommended that you read our previous article...
Creating S3 presigned URLs using Python Boto3 - On AWS Lambda
In this article, we are going to see how to create pre-signed S3 URLs using Boto3 Python and deploy the program to Lambda for accessibility and reusability. So this article could be a good example for starting your serverless journey too. with no further ado, let us...
Ansible List Examples - How to create and append items to List
In this article, we are going to learn about Ansible List. and How to create Ansible List and append items to it. The LIST is a type in data structure and is widely used in all programming languages. It is to store a group of heterogeneous elements. We are NOT going...
Terraform For Each Examples - How to use for_each | Devops Junction
In this post, we’ll try to cover Terraform looping constructs. We’ll cover the looping constructs that specifically work at the resource level. They handle resource creation itself. There are two Looping constructs. count: This is often brought up when talking about...
Ansible Playbook to install KAFKA on Ubuntu - How to | Devops Junction
In this article, we are going to see how to install Kafka on ubuntu with Ansible. We created a simple playbook to download and install Kafka and start it. Here is the list of tasks the playbook is designed to do Perform apt update Install JRE needed for Kafka and...
Creating EKS Cluster with Karpenter Auto scaling - Terraform | Kubernetes
Kubernetes has been a disruptive change in IT Infrastructure. It had been widely adopted across the industry Managed Kubernetes are the best choice if you do not want to face the hurdles of setting up K8s from scratch Unless you want to deep learn Kubernetes. AWS a...
Ansible Pre Tasks and Post Tasks Example | Devops Junction
In this article, we are going to see how to use ansible pre tasks and post tasks with examples. What is Ansible pre_tasks? Ansible pretask is a conditional execution block that runs before running the play. It can be a task with some prerequisites check (or)...
Ansible Copy Examples - How to copy files and directories with Ansible
In this article, we are going to see practical examples of Ansible copy. We will be seeing various examples of ansible copy To keep things simple we have created the playbook that you can test in your localhost itself, In other words, ansible control machine you can...
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