Tags in Git are a way to bookmark specific commits. This is often done to indicate different versions or releases of a project. When pushing to a remote repository tags…
What is Linux sort? sort is a very useful command line utility used to sort the lines of a file or input stream. sort can be used to sort input…
When working with Kafka you might find yourself using the kafka-console-producer (kafka-console-producer.sh). The kafka-console-producer is a program included with Kafka that creates messages from command line input (STDIN). However, simply…
Apache Kafka is a fault tolerant publish-subscribe streaming platform that lets you process streams of records as they occur. If you haven’t installed Kafka yet, see our Kafka Quickstart Tutorial…
Sometimes when working with JSON on the command line, it is helpful to know how many elements exist in a JSON array. Fortunately this is easy to do with jq.…
Sometimes when working with JSON on the command line, it is helpful to know how many fields exist in each document. Fortunately this is easy to do with jq. jq…
Apache Kafka is a fault tolerant publish-subscribe streaming platform that lets you process streams of records as they occur. If you haven’t installed Kafka yet, see our Kafka Quickstart Tutorial…