luketn’s gists

luketn / build-and-run.sh

Created July 20, 2021 08:10

Build and Run Micos on Mac M1

	docker run --rm -it --platform linux/amd64 -w /bingos --entrypoint make -v /Users/lthompson/IdeaProjects/BingOS:/bingos -v /Users/lthompson/IdeaProjects/micos:/micos jett59/bingos-build "MICOS_PATH=/micos"
	cp /Users/lthompson/IdeaProjects/BingOS/grubimage.iso ./micos.iso
	qemu-system-x86_64 -cdrom "$(pwd)/micos.iso"

luketn / .zshrc

Last active June 7, 2021 04:28

Bash switch Java versions (my own little dumb jenv)


	# Java List Utility - type jl or javalist at the command line to switch java versions
	JAVALIST_FILE="/tmp/javalist.sh"
	function loadjavalist {
	if [ -f "$JAVALIST_FILE" ]; then
	source ${JAVALIST_FILE}
	echo "Current Java set to ${JAVA_NAME}!"
	fi
	}
	function javalist {

luketn / kinesis-cfn-template.yml

Last active December 17, 2024 16:08

A cloud formation template (and CDK stack) to create a Kinesis stream and Firehose delivering to S3

	Resources:
	Stream:
	Type: AWS::Kinesis::Stream
	Properties:
	ShardCount: 2
	Name: request-logging
	RetentionPeriodHours: 24
	StreamEncryption:
	Fn::If:
	- AwsCdkKinesisEncryptedStreamsUnsupportedRegions

luketn / base-stack-props.ts

Created November 24, 2020 02:23

Customising Name Tags in CDK

	import {StackProps} from "@aws-cdk/core";

	export interface BaseStackProps extends StackProps {
	product: string;
	environment: "development" \| "production";
	}

luketn / TLSv1Test.java

Created November 9, 2020 01:42

This code makes an SSL/TLS connection to a domain and writes the results to a file. Used to check issues with older TLS / SNI protocols by passing flags to java to control these settings (see class comments).

	import javax.net.ssl.SSLSocket;
	import javax.net.ssl.SSLSocketFactory;
	import java.io.*;
	import java.net.InetSocketAddress;
	import java.nio.charset.StandardCharsets;
	import java.time.Instant;
	import java.time.ZoneOffset;
	import java.time.ZonedDateTime;

	/**

luketn / ewoks.js

Created August 31, 2020 01:36

	import http from 'k6/http';
	import { check } from "k6";
	export let options = {
	stages: [
	// Ramp-up from 1 to 5 VUs in 5s
	{ duration: "5s", target: 5 },
	// Stay at rest on 5 VUs for 10s
	{ duration: "10s", target: 5 },
	// Ramp-down from 5 to 0 VUs for 5s
	{ duration: "5s", target: 0 }

luketn / grafana-dashboard.yaml

Created August 31, 2020 01:33

	apiVersion: 1
	providers:
	- name: 'default'
	org_id: 1
	folder: ''
	type: 'file'
	options:
	path: /var/lib/grafana/dashboards

luketn / grafana-datasource.yaml

Created August 31, 2020 01:32

	apiVersion: 1

	datasources:
	- name: k6influxdb
	type: influxdb
	access: proxy
	database: k6
	url: http://influxdb:8086
	isDefault: true

luketn / docker-compose.yml

Created August 31, 2020 01:30

The docker-compose configuration file defines three servers and two networks, combining them together into a solution comprising a visualisation web server, database and load test client.

	version: '3.4'
	networks:
	k6:
	grafana:
	services:
	influxdb:
	image: influxdb:latest
	networks:
	- k6
	- grafana

luketn / Docker.k6node

Created August 8, 2020 02:07

Docker file to install K6 and set up a NodeJS app to run.

	FROM node:14.7.0

	#Install K6
	WORKDIR /tmp
	ADD https://github.com/loadimpact/k6/releases/download/v0.27.1/k6-v0.27.1-linux64.tar.gz /tmp/k6-v0.27.1-linux64.tar.gz
	RUN tar -xzf k6-v0.27.1-linux64.tar.gz
	RUN mv k6-v0.27.1-linux64/k6 /usr/bin/k6

	#Install NPM dependencies
	COPY loadtest-home /loadtest-home

Luke Thompson luketn