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View kafka-productivity-hacks.md

I've been working with Kafka for over 7 years. I inevitably find myself doing the same set of activities while I'm developing or working with someone else's system. Here's a set of Kafka productivity hacks for doing a few things way faster than you're probably doing them now. 🔥

Get the tools

@samklr
samklr / HealthStatus.scala
Created May 23, 2019 — forked from m-wrona/HealthStatus.scala
[Akka] Service health-check
View HealthStatus.scala
import akka.actor.{ ActorSystem, Props }
import akka.io.IO
import com.typesafe.config.Config
import com.typesafe.scalalogging.LazyLogging
import spray.can.Http
sealed class HealthStatusService(actorNames: List[String], webConfig: Config)(implicit system: ActorSystem) extends LazyLogging {
private[status] val healthCheckPath: String = webConfig.getString("status-path")
private[status] val timeoutDuration: Int = webConfig.getInt("timeout")
@samklr
samklr / REAME.md
Created May 20, 2019 — forked from davideicardi/REAME.md
Scala AES-CTR encryption, MAC, HMAC, ... with Bouncy Castle example
View REAME.md

Scala AES-CTR encryption Bouncy Castle example

Add the following library:

libraryDependencies += "org.bouncycastle" % "bcprov-jdk16" % "1.46"

AESCTR.scala

@samklr
samklr / output
Created May 16, 2019 — forked from MorganGeek/output
Install transmission on WD My Cloud
View output
FMCloud:~# wget https://gist.githubusercontent.com/MorganGeek/43ecb0ef1ac65322cd9237c16e77a5bb/raw/c8be05b2305c5b03b0e6ea1f2f27628625145371/wdmycloud-install-transmission.sh
--2017-06-17 07:54:43-- https://gist.githubusercontent.com/MorganGeek/43ecb0ef1ac65322cd9237c16e77a5bb/raw/c8be05b2305c5b03b0e6ea1f2f27628625145371/wdmycloud-install-transmission.sh
Resolving gist.githubusercontent.com (gist.githubusercontent.com)... 151.101.36.133
Connecting to gist.githubusercontent.com (gist.githubusercontent.com)|151.101.36.133|:443... connected.
HTTP request sent, awaiting response... 200 OK
Length: 1136 (1.1K) [text/plain]
Saving to: `wdmycloud-install-transmission.sh'
100%[===================================================================================================================>] 1,136 --.-K/s in 0.001s
View gist:f4c36236f5ce323a6edb31021763b495

Cryptographic Best Practices

Putting cryptographic primitives together is a lot like putting a jigsaw puzzle together, where all the pieces are cut exactly the same way, but there is only one correct solution. Thankfully, there are some projects out there that are working hard to make sure developers are getting it right.

The following advice comes from years of research from leading security researchers, developers, and cryptographers. This Gist was [forked from Thomas Ptacek's Gist][1] to be more readable. Additions have been added from

@samklr
samklr / filebeat-kafka-template.json
Last active Mar 14, 2019
Kafka Logs + Filebeat + ES
View filebeat-kafka-template.json
"mappings": {
"_default_": {
"_all": {
"norms": false
},
"_meta": {
"version": "5.1.1"
},
"dynamic_templates": [
View filebeat-conf.yml
filebeat.prospectors:
# BEGIN -- HAProxy logging configured by Ansible
- input_type: log
paths:
- /var/log/haproxy.log
document_type: haproxy
# END -- HAProxy logging configured by Ansible
# BEGIN -- Nginx logging configured by Ansible
- input_type: log
View 70-ec2-nvme-devices.rules
# Copyright (C) 2006-2016 Amazon.com, Inc. or its affiliates.
# All Rights Reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License").
# You may not use this file except in compliance with the License.
# A copy of the License is located at
#
# http://aws.amazon.com/apache2.0/
#
# or in the "license" file accompanying this file. This file is
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