## How To Get SSL Certificate on AWS

How to get SSL certificate on aws ec2 instance for free on nginx using letsencrypt easy and fast way to get SSl certificate to your domain

## How to install nginx on ubuntu 20.04

NGINX is open-source software for web servers, reverse proxy, caching, load balancing, media streaming, and more. It started out as a web server designed for maximum performance and stability for web hosting. More than 75% of the website that is hosted online are hosted on Nginx and Apache Web Server.

## Getting started with Docker

This guide contains step-by-step instructions on how to get started with Docker. Things you will learn about Docker are network and volume

## Sort Array By Parity

Given an integer array nums, move all the even integers at the beginning of the array followed by all the odd integers. Return any array that satisfies this condition.

## Max Area of Island

You are given an m x n binary matrix grid. An island is a group of 1's (representing land) connected 4-directionally (horizontal or vertical.) You may assume all four edges of the grid are surrounded by water. The area of an island is the number of cells with a value 1 in the island.

## Is Graph Bipartite?

There is an undirected graph with n nodes, where each node is numbered between 0 and n - 1. You are given a 2D array graph, where graph[u] is an array of nodes that node u is adjacent to. More formally, for each v in graph[u], there is an undirected edge between node u and node v.