tacitphoenix

#!/bin/bash

BOOK_REPO=<git url to example repo>
EXCODE=temp/example_code

# make top-level temp directory
mkdir -p ../$EXCODE

# add top-level temp directory to gitignore
if ! grep -q $EXCODE ../.gitignore; then

tacitphoenix

#!/bin/bash

# update and dependencies
sudo yum update -y
sudo yum install docker -y

# start docker
sudo service docker start

tacitphoenix

#!/bin/bash

# update and dependencies
sudo yum update -y
sudo yum install ruby -y
sudo yum install wget -y

# install codedeploy agent
cd /home/ec2-user
wget https://aws-codedeploy-us-east-1.s3.us-east-1.amazonaws.com/latest/install

tacitphoenix

sudo amazon-linux-extras install epel -y
sudo yum install stress -y

tacitphoenix

#!/bin/bash

yum update -y
yum install -y httpd

instanceId=$(curl http://169.254.169.254/latest/meta-data/instance-id)
echo "<h1>Hello World from $instanceId</h1>" > /var/www/html/index.html

systemctl start httpd
systemctl enable httpd

tacitphoenix

#!/bin/bash

yum update -y
yum install -y httpd
echo '<h1>Hello World</h1>' > /var/www/html/index.html
systemctl start httpd
systemctl enable httpd

tacitphoenix

# PostgreSQL

```
create role postgres with password 'postgres';
alter role postgres with login;
create database db_one owner=postgres;
grant all privileges on database testdb to postgres;
\connect db_one
create table person (name varchar, age int);
insert into person (name, age) values ("John Doe");

tacitphoenix

namespace :sandbox do
    desc "run main"
    task :main => [:environment, :one] do
        puts "Running main"
    end

    desc "run one"
    task :one => :two do
        puts "Running one"
    end

tacitphoenix

namespace :rails_rakes do
    desc "say hi"
    task :hi => :environment do
        puts "Hi"
    end
    
    desc "say hi with arg"
    task :hi_with_arg, [:name] => :environment do |t, args|
        puts "Hi #{args[:name]}"
    end

tacitphoenix

const randNum = (n) => Math.floor(Math.random() * n) + 1;
const makeArr = (n) => Array.from(Array(n)).map(() => 0);
const seqFn = (fn) => makeArr(20).map(() => fn());