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  • How to permanently add private ssh key(macOS, Windows, Ubuntu)?

    calendar May 26, 2023 · 9 min read  ·
    Last Modified : May 26, 2023
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    Author :  Rahul Wagh
    How to permanently add private ssh key(macOS, Windows, Ubuntu)?

    In our increasingly connected world, the security of our digital interactions is more critical than ever. Just like you lock your front door when you leave the house, you need to secure your online presence too. One of the keys to this virtual lock is called an SSH Key. If you've ever tried accessing remote servers or …


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  • Use Terraform to manage AWS IAM Policies, Roles and Users

    calendar May 9, 2023 · 12 min read  ·
    Last Modified : May 9, 2023
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    Author :  Rahul Wagh
    Use Terraform to manage AWS IAM Policies, Roles and Users

    This blog post is going to be a comprehensive guide on managing the AWS IAM User, IAM Roles and IAM Policies using Terraform. Managing IAM Users, Roles and Policies are always crucial from a security perspective. Proper management of the IAM User, IAM Roles and IAM Policies can really improve the operational burden as …


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  • How to split Your Terraform main.tf File into Multiple Files

    calendar May 4, 2023 · 6 min read  ·
    Last Modified : May 4, 2023
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    Author :  Rahul Wagh
    How to split Your Terraform main.tf File into Multiple Files

    Table of Content Why someone need to split the terraform main.tf into multiple files? How to split the main.tf file: A Step-by-Step Approach 2.1 Identify Resources and Data Sources 2.2 Create Separate .tf Files for Resources and Data Sources 2.3 Migrate Resource and Data Source Blocks into individual .tf files 2.4 …


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  • How to use Terraform variable within variable

    calendar May 4, 2023 · 6 min read  ·
    Last Modified : May 4, 2023
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    Author :  Rahul Wagh
    How to use Terraform variable within variable

    1. Terraform Variables Variables are an important part of Terraform because they let users change settings and make them more flexible and reusable. You can avoid hardcoding values in your Terraform configuration files by using variables. This makes your code more flexible. In this blog post we will focus on how to use …


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  • Mastering the Terraform Lookup Function for Dynamic Keys

    calendar May 3, 2023 · 8 min read  ·
    Last Modified : May 3, 2023
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    Author :  Rahul Wagh
    Mastering the Terraform Lookup Function for Dynamic Keys

    1. Introduction Infrastructure as code (IaC) is a key part of gaining efficiency, scalability, and manageability in the rapidly changing tech world of today. Many DevOps teams now use Terraform, which is a famous IaC tool. The Terraform lookup function for dynamic keys has become a powerful way to improve your IaC …


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  • How to Use SSH Keys with Ansible for Secure Server Management?

    calendar May 2, 2023 · 5 min read  ·
    Last Modified : May 2, 2023
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    Author :  Rahul Wagh
    How to Use SSH Keys with Ansible for Secure Server Management?

    Introduction There are a couple of ways in which you can securely connect to a remote server using Ansible. Using the SSH Keys (Public, Private) Using the remote server password Both methods are widely used by DevOps practitioners, and both are secure. But still, if I would like to vote for Using the SSH keys for …


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  • Why YAML is so important in Ansible?

    calendar May 2, 2023 · 11 min read  ·
    Last Modified : May 2, 2023
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    Author :  Rahul Wagh
    Why YAML is so important in Ansible?

    Table of Content What is YAML? Example of YAML? Why Ansible needs YAML? Example of Ansible Playbook written in YAML What are rules for writing Ansible Playbook using YAMLs? Advantages of YAML in Ansible YAML vs Other Data Serialization Formats What is YAML? YAML is a recipe for computers that helps them understand what …


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  • Copy files to EC2 and S3 bucket using Terraform

    calendar Apr 28, 2023 · 6 min read  ·
    Last Modified : Apr 28, 2023
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    Author :  Rahul Wagh
    Copy files to EC2 and S3 bucket using Terraform

    This blog post will guide you on how to use Terraform-Provisioners to copy/upload files to EC2 as well as the S3 bucket. Table of Content Pre-requisites Setup AWS credentials in the Terraform file Setup an EC2 instance, a security group, and SSH key pair resources. Use file provisioner to upload the file to EC2 Upload …


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  • Troubleshooting Error creating EC2 Subnet InvalidSubnet Range The CIDR is Invalid

    calendar Apr 27, 2023 · 5 min read  ·
    Last Modified : Apr 27, 2023
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    Author :  Rahul Wagh
    Troubleshooting Error creating EC2 Subnet InvalidSubnet Range The CIDR is Invalid

    In this blog post we will take a look on how to fix the issue of Error: Creating EC2 Subnet: InvalidSubnet.Range: The CIDR '100.1.1.0/24' is Invalid Error: creating EC2 Subnet: InvalidSubnet.Range: The CIDR '100.1.1.0/24' is invalid Table of Content Introduction Understanding the Error InvalidSubnet.Range Error CIDR …


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  • Troubleshooting InvalidParameter Security group and subnet belong to different networks

    calendar Apr 27, 2023 · 3 min read  ·
    Last Modified : Apr 27, 2023
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    Author :  Rahul Wagh
    Troubleshooting InvalidParameter Security group and subnet belong to different networks

    I got stuck with the error InvalidParameter: Security group sg-08e153383fca86934 and subnet subnet-00e3adcfceb3cf8ee belong to different networks when I was working on one of AWS project where I need to set-up following using Terraform - VPC Subnet Internet Gate, NAT Route Table EC2 Instance Security group Here is the …


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TERRAFORM 51 KUBERNETES 27 DOCKER 25 HELM-CHART 11 ANSIBLE 10 AWS 2 LINUX-COMMANDS 1

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Recent Posts

  • How to permanently add private ssh key(macOS, Windows, Ubuntu)?
  • Use Terraform to manage AWS IAM Policies, Roles and Users
  • How to split Your Terraform main.tf File into Multiple Files
  • How to use Terraform variable within variable
  • Mastering the Terraform Lookup Function for Dynamic Keys
  • How to Use SSH Keys with Ansible for Secure Server Management?
  • Why YAML is so important in Ansible?
  • Copy files to EC2 and S3 bucket using Terraform

Rahul Wagh

Jhooq
Its all about Open Source and DevOps, here I talk about Kubernetes, Docker, Java, Spring boot and practices.
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