mikemadisonweb’s gists

mikemadisonweb / kubectl-cs.md

Created January 15, 2018 13:08 — forked from luebken/kubectl-cs.md

Kubectl Cheatsheet

# start up a cluster
KUBERNETES_PROVIDER=vagrant ./cluster/kube-up.sh

# start a simple vagrant cluster
NUM_NODES=1 KUBERNETES_PROVIDER=vagrant KUBE_ENABLE_CLUSTER_MONITORING=none KUBE_ENABLE_CLUSTER_UI=false ./cluster/kube-up.sh

# validate cluster 
./cluster/validate-cluster.sh
kubectl cluster-info

mikemadisonweb / gist:6ac971ad9a136501628a1cb32368f43e

Last active January 10, 2018 12:59 — forked from jessedearing/gist:2351836

Create self-signed SSL certificate for Nginx

	#!/usr/bin/env bash
	usage () {
	echo -e "Usage:\nself-signed-cert-gen.sh DOMAIN";
	}

	# Parse command line options
	DOMAIN=""
	while [ $# -gt 0 ]
	do
	case "$1" in

mikemadisonweb / .Title

Created August 29, 2017 11:47 — forked from congjf/.Title

Using MongoDB in golang with mgo

mikemadisonweb / grace.go

Created August 25, 2017 06:42 — forked from rcrowley/grace.go

Graceful stop in Go

	package main

	import (
	"log"
	"net"
	"os"
	"os/signal"
	"sync"
	"syscall"
	"time"

mikemadisonweb / testUnderstandRaceCondition.go

Created August 18, 2017 07:13 — forked from crosalot/testUnderstandRaceCondition.go

Understand Race Condition with Go

	package main

	import (
	"fmt"
	"time"
	"sync/atomic"
	)


	var start time.Time

mikemadisonweb / requests.go

Created August 17, 2017 07:22 — forked from huttotw/requests.go

Concurrent requests, with max retries and error handling

	package main

	import (
	"errors"
	"fmt"
	"math/rand"
	"sync"
	"time"
	)

mikemadisonweb / abort.go

Created August 16, 2017 14:55

Run a http.Get async with support for aborting

	package main

	import (
	"errors"
	"fmt"
	"net"
	"net/http"
	"sync"
	"time"
	)

mikemadisonweb / concurrency.go

Created August 16, 2017 14:27 — forked from sethmcl/concurrency.go

Simple example of goroutines and channels

	package main

	import (
	"fmt"
	"net/http"
	)

	const maxConcurrentRequests = 100

	type Response struct {

mikemadisonweb / latency.txt

Created July 20, 2017 09:14 — forked from jboner/latency.txt

Latency Numbers Every Programmer Should Know

	Latency Comparison Numbers
	--------------------------
	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

mikemadisonweb / exceptions-tree.php

Created June 19, 2017 13:41 — forked from mlocati/exceptions-tree.php

Throwable and Exceptions tree

	<?php

	if (!function_exists('interface_exists')) {
	die('PHP version too old');
	}
	$throwables = listThrowableClasses();
	$throwablesPerParent = splitInParents($throwables);
	printTree($throwablesPerParent);
	if (count($throwablesPerParent) !== 0) {
	die('ERROR!!!');

Mikhail Bakulin mikemadisonweb