3h4x’s gists

3h4x / gist:f0e240455e66907f5008

Created June 14, 2014 08:09

Replace matching line in puppet

	define replace_matching_line($file, $match, $replace) {
	exec { "/bin/sed ${file} -i.bak -e 's/${match}/${replace}/'":
	onlyif => "/bin/grep -E '${match}' ${file}",
	}
	}

3h4x / terraform error

Created August 3, 2014 09:27

	11:25 $ sudo docker run terraform
	TF_ACC= go test ./... -timeout=10s
	ok github.com/hashicorp/terraform 0.005s
	ok github.com/hashicorp/terraform/builtin/bins/provider-aws 0.004s
	ok github.com/hashicorp/terraform/builtin/bins/provider-cloudflare 0.002s
	? github.com/hashicorp/terraform/builtin/bins/provider-consul [no test files]
	ok github.com/hashicorp/terraform/builtin/bins/provider-digitalocean 0.002s
	ok github.com/hashicorp/terraform/builtin/bins/provider-dnsimple 0.002s
	ok github.com/hashicorp/terraform/builtin/bins/provider-heroku 0.002s
	ok github.com/hashicorp/terraform/builtin/bins/provisioner-file 0.002s

3h4x / count.sh

Last active August 29, 2015 14:07

	#!/bin/bash
	COUNTER=/tmp/kernel_lines # zmienna odwolujaca sie do pliku w ktorym beda ilosci linii
	if [[ ! -f $COUNTER ]]; then echo 0 > /tmp/kernel_lines; fi # jesli nie ma pliku z liniami to go stworz i upchnij tam 0

	NUM=`cat $COUNTER` # ogarnij ile linijek juz jest w pliku $COUNTER

	LINES=`sed '/\/\/,/\//d' $1 \| sed '/^\/\//d' \| sed '/^$/d' \| wc -l` # wypierdol komentarze z C

	echo "$NUM + $LINES" # pokaz ze umiesz dodac to gowno
	echo $((NUM+LINES)) > $COUNTER # zapisz to gowno

3h4x / ctrlpkw cluster

Created March 30, 2015 20:42

	{
	"id": "/ctrlpkw",
	"groups": [
	{
	"id": "/ctrlpkw/db",
	"apps": [
	{
	"id": "/ctrlpkw/db/cassandra-seed",
	"constraints": [["hostname", "UNIQUE"]],
	"ports": [7199, 7000, 7001, 9160, 9042],

3h4x / cassandra-cluster

Created March 30, 2015 20:45

	{
	"id": "/ctrlpkw/db",
	"apps": [
	{
	"id": "/ctrlpkw/db",
	"apps": [
	{
	"id": "/ctrlpkw/db/cassandra-seed",
	"constraints": [
	[

3h4x / latency.txt

Created January 31, 2017 18:33 — 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

3h4x / gist:0aa6b000d198d9ec8222e720c8f0bfd3

Created January 5, 2018 13:50

Checking Ubuntu AMI releases

python -c "import requests; import csv; import json; result = [row for row in csv.reader(requests.get('https://cloud-images.ubuntu.com/query/released.latest.txt').content.decode('utf-8').splitlines(), delimiter='\t')]; print(json.dumps({k[0]: k[3] for k in result}, indent=4))"

3h4x / gist:dbeff2e08d53f32ae7adf341829df3a4

Created January 9, 2018 18:24

Ubuntu AMI finder CLI

	import json
	import re

	import click
	import dataset
	import demjson
	import requests


	@click.command()

3h4x / value

Last active July 18, 2018 10:36

8

3h4x / gist:17eb44f142ae623c386a3d1c4db2be8e

Created March 6, 2019 19:16

	### Keybase proof

	I hereby claim:

	* I am 3h4x on github.
	* I am 3h4x (https://keybase.io/3h4x) on keybase.
	* I have a public key ASC1t1qg9WeywJV0Q35buqGz5OcVRJMV3c9dAA7LY66Knwo

	To claim this, I am signing this object:

marcin 3h4x