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I've been working with Apache 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. 🔥

• Show me all my Kafka topics and their partitions, replicas, and consumers
• Show me the contents of a topic
• Create a Kafka topic
• Produce messages to a Kafka topic
• Validate the schema of messages before producing to a topic
• Do all of this at a distance

Get the tools

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TOC

Basic

Shortcuts

File & Folder Manipulation

Directory & Navigation

Jobs

I/O Redirection

SSH

Network

User and Group

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Resources

• Ally's GCP Quiz
• GCP Certification Quiz
• Google Developers Codelabs
• Cloudreach Blog - Passing the exam after an initial failure
• GCP Enterprise Best Practices
• GCP Designing a Disaster Recovery Plan
• GCP Example Solutions
• Mobile Gaming Analysis Telemetry

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ELK (Elasticsearch Logstash Kibana)

Though we're focused more on server setup procedure in this document, I will still give a very brief explanation in laymen terms for ELK. To those who are starting new in this stack, must have already heard of MVC (Model View Controller), so take it like this:

• Model => Elasticsearch (for Storage, Indexing & Search)
• View => Kibana (for DataViz & G-Man, yeah the one in half life 😏)
• Controller => Logstash (For Logs & Filtering)

---

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version: '3.3'

services:

  elasticsearch:
    image: docker.elastic.co/elasticsearch/elasticsearch-oss:6.4.2
    ports:
      - target: 9200
        published: 9200
        protocol: tcp

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package com.eureka.auth.security;

import java.io.IOException;
import java.sql.Date;
import java.util.Collections;
import java.util.stream.Collectors;

import javax.servlet.FilterChain;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServletRequest;