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AWS SysOps Exam Tips

Monitoring

Cloudwatch

• What are the default host-level metrics for EC2?
  • CPU
  • Network
• Disk

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(defparameter *nodes* '((balcony (you are on the balcony. a cool wind sways the blossoming trees.))
                        (lounge-room (a catto snoozes on the lounge.))
                        (kitchen (bread is proofing on the counter.))
                        (office (clothes are hung up to dry.))
                        (bathroom (small stones litter the tiled floor.))
                        (bedroom (a few articles of clothing lay on the floor.))))


(defparameter *edges* '((balcony (lounge-room inside door))
                        (lounge-room (balcony outside door)

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# Mips program to reverse a string
# mips.s

      .data
str:     .space 128 # character buffer


      .text
.globl main

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import { RefObject, useEffect, useRef } from 'react';
import styled from 'styled-components';

const ModalDiv = styled.div`
  z-index: auto;
  display: flex;
  position: fixed;
  top: 0;
  left: 0;
  height: 100vh;

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Books to read to learn DevOps

• The DevOps Handbook - Kim, Humble, Debois, Willis, Allspaw

• The Phoenix Project - Gene Kim

• The Unicorn Project - Gene Kim

• Reinventing Organisations - Frederic Laloux

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package com.myapplication

import org.springframework.beans.factory.annotation.Value
import org.springframework.context.annotation.Bean
import org.springframework.context.annotation.Configuration
import org.springframework.web.servlet.config.annotation.CorsRegistry
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer

@Configuration
class WebServerConfiguration {

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import org.springframework.web.cors.CorsUtils
import org.springframework.context.annotation.Configuration
import org.springframework.security.config.annotation.web.builders.HttpSecurity
import org.springframework.security.config.annotation.web.configuration.WebSecurityConfigurerAdapter

@Configuration
class SecurityConfig : WebSecurityConfigurerAdapter() {
    override fun configure(http: HttpSecurity) {
        http
            .authorizeRequests()

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package com.myapplication.email

import arrow.core.Either
import org.junit.jupiter.api.Assertions.fail
import org.junit.jupiter.api.Test
import org.springframework.boot.test.context.SpringBootTest
import org.springframework.test.context.ActiveProfiles
import org.testcontainers.containers.localstack.LocalStackContainer
import org.testcontainers.utility.DockerImageName
import software.amazon.awssdk.auth.credentials.AwsBasicCredentials

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package com.myapplication.email

import arrow.core.Either
import org.springframework.stereotype.Component
import software.amazon.awssdk.services.ses.SesClient
import software.amazon.awssdk.services.ses.model.Body
import software.amazon.awssdk.services.ses.model.Content
import software.amazon.awssdk.services.ses.model.Destination
import software.amazon.awssdk.services.ses.model.Message
import software.amazon.awssdk.services.ses.model.SendEmailRequest

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package com.myapplication.email

import org.springframework.beans.factory.annotation.Value
import org.springframework.context.annotation.Bean
import org.springframework.context.annotation.Configuration
import software.amazon.awssdk.regions.Region
import software.amazon.awssdk.services.ses.SesClient

@Configuration
class EmailClientConfiguration {