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Find the original here article here: Devops Best Practices

DevOps started out as "Agile Systems Administration". In 2008, at the Agile Conference in Toronto, Andrew Shafer posted an offer to moderate an ad hoc "Birds of a Feather" meeting to discuss the topic of "Agile Infrastructure". Only one person showed up to discuss the topic: Patrick Debois. Their discussions and sharing of ideas with others advanced the concept of "agile systems administration". Debois and Shafer formed an Agile Systems Administrator group on Google, with limited success. Patrick Debois did a presentation called "Infrastructure and Operations" addressing

Kafka Cheat Sheet

Display Topic Information

$ kafka-topics.sh --describe --zookeeper localhost:2181 --topic beacon
Topic:beacon	PartitionCount:6	ReplicationFactor:1	Configs:
	Topic: beacon	Partition: 0	Leader: 1	Replicas: 1	Isr: 1
	Topic: beacon	Partition: 1	Leader: 1	Replicas: 1	Isr: 1

	// NewWrapResponseWriter wraps an http.ResponseWriter, returning a proxy that allows you to
	// hook into various parts of the response process.
	func NewWrapResponseWriter(w http.ResponseWriter, protoMajor int) WrapResponseWriter {
	_, fl := w.(http.Flusher)

	bw := basicWriter{ResponseWriter: w}

	if protoMajor == 2 {
	_, ps := w.(http.Pusher)
	if fl && ps {

	git clone https://github.com/vfarcic/k8s-specs.git

	cd k8s-specs

	git pull

	open "https://console.aws.amazon.com/iam/home#/security_credential"

	export AWS_ACCESS_KEY_ID=[...]

	- hosts: all
	become: true
	tasks:
	- name: configure system settings, file descriptors and number of threads
	pam_limits:
	domain: <--your-username-->
	limit_type: "{{item.limit_type}}"
	limit_item: "{{item.limit_item}}"
	value: "{{item.value}}"
	with_items:

	#!/bin/bash

	# This script is used to check and update your GoDaddy DNS server to the IP address of your current internet connection.
	# Special thanks to mfox for his ps script
	# https://github.com/markafox/GoDaddy_Powershell_DDNS
	#
	# First go to GoDaddy developer site to create a developer account and get your key and secret
	#
	# https://developer.godaddy.com/getstarted
	# Be aware that there are 2 types of key and secret - one for the test server and one for the production server

	I remember very clear I cry when I finish volume 3 of Knuth.
	%
	I am work on CSS SQL.
	%
	First sign of depression in devops is denial: you start of ignore Nagios alert.
	%
	In devops language is not success unless is another language++.
	%
	In devops you are addict to graph if first thought after orgasm is send duration and intensity to Graphite.
	%

	#!/usr/bin/env python

	# Import pif to get your public ip, sys and os.path
	import pif, sys, os.path

	# Partial imports
	from godaddypy import Client, Account

	# Remember to set your api key and secret
	userAccount = Account(api_key='api_key', api_secret='api_secret')

	package main

	// @lizrice, mostly copied from @doctor_julz: https://gist.github.com/julz/c0017fa7a40de0543001

	import (
	"fmt"
	"os"
	"os/exec"
	"syscall"
	)

	Producer

	Setup
	bin/kafka-topics.sh --zookeeper esv4-hcl197.grid.linkedin.com:2181 --create --topic test-rep-one --partitions 6 --replication-factor 1
	bin/kafka-topics.sh --zookeeper esv4-hcl197.grid.linkedin.com:2181 --create --topic test --partitions 6 --replication-factor 3

	Single thread, no replication

	bin/kafka-run-class.sh org.apache.kafka.clients.tools.ProducerPerformance test7 50000000 100 -1 acks=1 bootstrap.servers=esv4-hcl198.grid.linkedin.com:9092 buffer.memory=67108864 batch.size=8196