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A curated list of AWS resources to prepare for the AWS Certifications

A curated list of awesome AWS resources you need to prepare for the all 5 AWS Certifications. This gist will include: open source repos, blogs & blogposts, ebooks, PDF, whitepapers, video courses, free lecture, slides, sample test and many other resources.

Installing Postman

Step 1

If any version of postman is installed we need to remove it

sudo rm -rf /opt/Postman

Step 2

Complete Recent Discord Quest

Note

This no longer works in browser!

Note

This no longer works if you're alone in vc! Somebody else has to join you!

How to use this script:

Accept the quest under User Settings -> Gift Inventory

Generating SSL certificates

req:

openssl req -x509 -subj /CN=root.yourdomain.com -days 3650 -noenc \
    -out root.crt -keyout root.key
  # -x509 - generate a certificate
  # -subj - subject
  # -days - validity period

	#include <stdio.h>
	#include <stdint.h>

	char segoverride[4] = "";
	char buffer[100];

	#define parse_mod_reg_rnm \
	fread(&b, 1, 1, f); \
	int mod = (b >> 6) & 0x03; \
	int reg = (b >> 3) & 0x07; \

-#!/bin/bash
-# Requirements: linux, docker, grep, awk
-# This script removes all "Down" (off) nodes from Docker Swarm
-# Useful to clean stuff from time to time, if you have auto-joining nodes for example
-sudo docker node rm $(sudo docker node ls | grep Down | awk -F" " '{ print $1 }')

	/*
	Autor: Joel Cesar Fernandez Segura
	Curso: Tecnicas De Construccion de Programas
	Ejercicio: Implementacion de un Automata Con Pila
	IDE: CodeBlocks
	Pagina Web: http://codebotic.blogspot.com

	*/
	#include<iostream>
	#include<cstdlib>

	Latency Comparison Numbers (~2012)
	----------------------------------
	L1 cache reference 0.5 ns
	Branch mispredict 5 ns
	L2 cache reference 7 ns 14x L1 cache
	Mutex lock/unlock 25 ns
	Main memory reference 100 ns 20x L2 cache, 200x L1 cache
	Compress 1K bytes with Zippy 3,000 ns 3 us
	Send 1K bytes over 1 Gbps network 10,000 ns 10 us
	Read 4K randomly from SSD* 150,000 ns 150 us ~1GB/sec SSD