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How to proxy to EC2 Metadata

Sometimes, you need to use your EC2 instance's credentials to access the AWS resources, for testing, development, etc.. This is how you do it.

Step 1

create 169.254.169.254 on loopback interface

linux

sudo ip a add 169.254.169.254 dev lo

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library(SNPediaR)
library(tidyverse)

# Original function has som issues with parsing that need fixing
getPages2 <- function (titles, verbose = FALSE, limit = 50, wikiParseFunction = identity, 
                       baseURL, format, query, ...) 
{
  if (missing(baseURL)) 
    baseURL <- "https://bots.snpedia.com/api.php"
  if (missing(format)) 

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FROM maven:3.6.3-jdk-8
RUN apt update \
    && apt install -y git \
    && curl -sL https://deb.nodesource.com/setup_12.x | bash \
    && apt install -y nodejs
RUN git clone https://github.com/drajer-health/eCRNow.git
WORKDIR eCRNow/
COPY eCRFiles/application.properties src/main/resources/application.properties
COPY eCRFiles/config.js frontend/public/config.js
RUN sed -i s/newJsonParser/newXmlParser/g src/main/java/com/drajer/ecrapp/config/SpringConfiguration.java

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Spatial SQL and PostGIS

This set of instructions goes with this presentation deck.

Installing PostGIS

PGDG Yum Repository

https://yum.postgresql.org/

yum install postgis24_10

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FROM postgres:12-alpine

ENV POSTGIS_VERSION 2.5.3
ENV PROJ_VERSION 4.9.3
ENV PROTOBUF_VERSION 3.10.0
ENV PROTOBUF_C_VERSION 1.3.2

RUN set -ex \
    \
    && apk add --no-cache --virtual .fetch-deps \

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#! /usr/bin/env python3
def replace_contents(
        string: str,
        search_string: str,
        replace_string: str = "",
        global_replace: bool = False,
        terminate_char: str = ' ',
        return_type: type = str,
        memoryview_cast: str = '@c'
):

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#! /bin/bash

TMPLOC=/tmp
RD=$TMPLOC/readylock.$$
RQ=$TMPLOC/request_fifo.$$
RS=$TMPLOC/result_file.$$

start_cmdserver() {
mkfifo $RQ
(

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#! /bin/bash
begin='2017-01-01'
segments=\
"YEAR 2017-01-01 2018-01-01
Q1 2017-01-01 2017-04-01
Q2 2017-04-01 2017-07-01
Q3 2017-07-01 2017-10-01
Q4 2017-10-01 2018-01-01
JAN 2017-01-01 2017-02-01
FEB 2017-02-01 2017-03-01

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#! /bin/bash

# Created by Eric Marriott

for i in perl dislocker sudo; do
    if ! type "$i" > /dev/null;then
        echo "$i not found. exiting..."
        exit 1
    fi
done

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#! /bin/bash
sudo rfkill unblock all
sudo killall wpa_supplicant
sudo killall dhclient
sudo rm -r /run/wpa_supplicant
sudo wpa_supplicant -B -iwlp2s0 -Dnl80211 -m '' -c/etc/wpa_supplicant/wpa_supplicant.conf
sudo dhclient wlp2s0 $!