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SSH Without Prompting for Password

Configure SSH to avoid prompting for a password each time.

Problem Statement

Currently, after setting up SSH with a PEM file, you can access a server without a password like so:

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{
    "Version": "2012-10-17",
    "Statement": [
        {
            "Effect": "Allow",
            "Action": [
                "route53:ChangeResourceRecordSets",
                "route53:ListResourceRecordSets"
            ],
            "Resource": [

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S3 Bucket Setup Script

This script automates the process of setting up an S3 bucket in AWS. It performs the following tasks:

1. Checks if the specified S3 bucket already exists.
2. Creates the bucket if it does not exist.
3. Removes Block Public Access settings from the bucket.
4. Attaches a specified bucket policy to allow public read access.
5. Configures CORS settings for the bucket.
6. Enables static website hosting on the bucket.

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Common Most Useful Terminal Commands

User Information

Show the current logged-in user.

whoami

Show the User details.

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OpenVPN3 Commands

Importing Configuration

Import a configuration file and create a persistent profile.

openvpn3 config-import --config client.ovpn --name <profile_name> --persistent

Listing Configurations

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{
    "Version": "2012-10-17",
    "Statement": [
        {
            "Sid": "PublicReadGetObject",
            "Effect": "Allow",
            "Principal": "*",
            "Action": "*",
            "Resource": [
                "arn:aws:s3:::bucketname",

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#! /usr/bin/bash
read -p "Give size of swap you wants to create:" usr_input
echo "Your swap memory will be create of size : $usr_input"

sudo fallocate -l $usr_input /swapfile
sudo chmod 600 /swapfile

sudo mkswap /swapfile
sudo swapon /swapfile
sudo swapon --show

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[
    {
        "AllowedHeaders": [
            "*"
        ],
        "AllowedMethods": [
            "PUT",
            "POST",
            "GET"
        ],

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server {

        server_name domain.com;
        
        location / {
        proxy_pass http://localhost:1111;
                proxy_http_version 1.1;
                proxy_set_header Upgrade $http_upgrade;
                proxy_set_header Connection 'upgrade';
                proxy_set_header Host $host;

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check git remove by this command

git remote -v

Add second github remote

git remote add github https://github.com/organization/repo.git

check remote again