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resource "aws_vpc" "default" {
  cidr_block           = "10.0.0.0/16"
  enable_dns_hostnames = true
}

resource "aws_internet_gateway" "gw" {
  vpc_id = aws_vpc.default.id
}

resource "aws_subnet" "tf_test_subnet" {

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Terraform is a popular infrastructure as code (IaC) tool used to provision and manage cloud resources from various providers like Amazon Web Services (AWS), Microsoft Azure, Google Cloud Platform (GCP), and others. It allows users to define infrastructure configurations in a declarative manner, making it easier to manage and automate the deployment process. Let's explore some of the advantages and disadvantages of using Terraform:

Advantages of Terraform:

1. Infrastructure as Code (IaC): Terraform enables you to define your infrastructure in code, making it versionable, maintainable, and easier to collaborate on with other team members. This brings many benefits like reproducibility, consistency, and easier rollbacks.

2. Multi-Cloud Support: Terraform provides a unified way to manage infrastructure across multiple cloud providers. This allows organizations to avoid vendor lock-in and leverage the best features of different cloud platforms.

3. Declarative Syntax: Terraform uses a declarative la

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data "template_file" "user_data" {
  template = file("cloudinit/addpubkey.yml")
}

resource "aws_vpc" "mainvpc" {
  cidr_block = "10.1.0.0/16"
}

resource "aws_internet_gateway" "gw" {
  vpc_id = aws_vpc.mainvpc.id

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Just call Preferences => Customize Color Scheme

and add this between the square brackets under "rules":

        {
            "name": "Mapping Key Names",
            "scope": "meta.mapping.key string",
            "foreground": "#ff79c6"
        }

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192.168.1.0   - 192.168.1.31
192.168.1.32  - 192.168.1.63
192.168.1.64  - 192.168.1.95
192.168.1.96  - 192.168.1.127
192.168.1.128 - 192.168.1.159
192.168.1.160 - 192.168.1.191
192.168.1.192 - 192.168.1.223
192.168.1.224 - 192.168.1.255

192.168.1.0/32

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Add the cloud-init script to the Terraform configuration

Open the main.tf file. Notice how the template_file.user_data data block retrieves the contents of the add-ssh-web-app.yaml file. Then, it is passed into aws_instance.web as a user_data value to be initialized when the instance is created.

data "template_file" "user_data" {
  template = file("../scripts/add-ssh-web-app.yaml")
}

resource "aws_instance" "web" {
  ami                         = data.aws_ami.ubuntu.id

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SELECT
  EXTRACT(MONTH FROM payment_date)        AS month,
  COUNT(*)                                AS total_count,
  SUM(amount)                             AS total_amount,
  COUNT(*)    FILTER (WHERE staff_id = 1) AS mike_count,
  SUM(amount) FILTER (WHERE staff_id = 1) AS mike_amount,
  COUNT(*)    FILTER (WHERE staff_id = 2) AS jon_count,
  SUM(amount) FILTER (WHERE staff_id = 2) AS jon_amount
FROM payment
GROUP BY month

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Redirects for single page web apps (SPA)

Most SPA frameworks support HTML5 history.pushState() to change browser location without triggering a server request. This works for users who begin their journey from the root (or /index.html), but fails for users who navigate directly to any other page.

The following example uses regular expressions to set up a 200 rewrite for all files to index.html, except for the file extensions specified in the regular expression.

rules = </^[^.]+$|\.(?!(css|gif|ico|jpg|js|png|txt|svg|woff|woff2|ttf|map|json|webp)$)([^.]+$)/>

| Original address | Destination Address | Redirect Type |

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::Set Owner of a specific file
ICACLS "D:\test\test.txt" /setowner "administrator"

::Grant Full Control
ICACLS "D:\test\test.txt" /grant:r "administrator:(F)" /C

::Grant Read and Execute Access of a specific file
ICACLS "D:\test\test.txt" /grant:r "users:(RX)" /C

::Grant Read-only Access of a specific file

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require "base64"

secret_word = Base64.decode64("bGlnaHRzYWJlcg==")
player_word = "*" * secret_word.length
attempts = 11 

puts """

	Welcome to the game where you have to guess a word !
	secret word has #{secret_word.length} letters, good luck.