Step-by-Step Guidelines to Attach EFS into Multiple EC2 instances using Terraform — In this article, we will attach the AWS EFS filesystem to multiple AWS EC2 instances running on different AZs. To automate the whole process from creating an EFS filesystem to attaching it to the EC2 instances, we will use Terraform. Following are the steps we will follow to achieve our goal: Create an AWS VPC with two public subnets on two…

Terraform Create Multiple EC2 with different Configuration — Overview Suppose, we are in a situation where we have three public subnets and two private subnets. And on top of that, we require to provision three EC2 instances on each public subnet and two EC2 instances on each private subnet. See the following chart for a better understanding: VPC: Let’s…

Start Your Scripting Journey Today — What is Bash? Bash is a type of shell that allows running commands on Linux. What is Bash Script? A Bash script is a plain text file that contains a series of commands. Use Cases of Bash Scripting Bash scripts can be used for various purposes, such as executing a shell command, running multiple commands together, customizing administrative tasks, performing task automation…

Articles on Kubernetes — This series covers Kubernetes topics in depth. It is done in a practical way where you get your “hands dirty” by trying things out. ● ConfigMaps | Kubernetes ConfigMaps | Kubernetes A ConfigMap is an API object used to store non-confidential data in key-value pairs. Pods can consume ConfigMaps as…faun.pub ● Secrets | Kubernetes Secrets | Kubernetes Secrets are similar to ConfigMaps but are specifically intended to hold confidential data.faun.pub

Minimize AWS Costs: Schedule Instance Start and Stop with EventBridge and Lambda — In this article, we will see how we can use Amazon EventBridge and Lambda to automate the start and stop of EC2 instances based on our needs. Suppose, we have a project name webapp and all the EC2 instances under the project tagged with a tag_key=Project and tag_value=webapp

Python Functions Everyone Should Know — strip() To remove any leading and trailing space from a string we can use strip() function: Spam = " Hello World " print(spam) Hello World print(spam.strip()) Hello World enumerate() enumerate() allows us to iterate through a sequence while keeping track of both the index and the element. …

Use SSH key pair to access github from your local machine — Step 1: Create an SSH key-pair using the following command: >> ssh-keygen -t rsa #Press enter for all values It will generate a public and private key pair. >> ls ~/.ssh/ demo-key # private key demo-key.pub # public key Step 2: If you own the github repository then you should have administrative access. Go…

A series on Linux — Previous parts: day 1: 10 Days of Linux | Day 1 day 2: 10 Days of Linux | Day 2 Linux boot sequence BIOS — The BIOS loads and executes the Master Boot Record (MBR) boot loader. MBR — MBR stands for Master Boot Record, and is responsible for loading and executing the GRUB boot…

An overview of how to apply pod security on cluster level — Previous Article: Pod Security Admission Controller — Namespace Level In the previous article, we discussed how we can apply pod security on the namespace level. In this article, we will discuss how we can apply pod security on a cluster. To apply pod security on the cluster level, we have…