Useful CLI Commands

# Kafka:

# starting Zookeeper
bin/zookeeper-server-start.sh config/zookeeper.properties

# Kafka server
bin/kafka-server-start.sh config/server.properties

# create topic 'test'
bin/kafka-topics.sh --create --zookeeper localhost:2181 --replication-factor 1 --partitions 1 --topic test

# list topics
bin/kafka-topics.sh --list --zookeeper localhost:2181

# start a Producer
bin/kafka-console-producer.sh --broker-list localhost:9092 --topic test

# start a Consumer
bin/kafka-console-consumer.sh --zookeeper localhost:2181 --topic test --from-beginning


# Docker:
docker stop $(docker ps -a -q) # stops all running containers
docker rm $(docker ps -a -q) # removes all

# Docker 404 Error Fix:
sudo mv /var/lib/docker/network/files/ /path/to/backup/docker-network-files

# Get info Linux machine
uname -a

# Fix broken update; source: https://ubuntuforums.org/showthread.php?t=2188524
sudo apt-get update && sudo apt-get upgrade