Ubuntu Linux: How to create, copy, move or delete files and directories?
In this post I will show you how to create, copy, move and remove files and folders at Ubuntu Linux operating system. Creating files and directories Usually files are created…
Jenkins & Nexus & SonarQube: Build the DevOps environment using Docker-Compose
This is another my post in which I present in a simple way how to set up the environment using the benefits of Docker-Compose. This time we will focus on…
[SOLVED] SonarQube: Max virtual memory areas vm.max_map_count [65530] is too low, increase to at least [262144]
Problem The system isn't allowed to get the requested memory amount. Solution Run the following command before attempting to start SonarQube or issuing your docker compose command: sudo sysctl -w…
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Apache Airflow & CeleryExecutor, PostgreSQL & Redis: Start the environment using Docker-Compose in 5 minutes!
In this post I will show you how to create a fully operational environment in 5 minutes, which will include: Apache Airflow WebServerApache Airflow WorkerApache Airflow SchedulerFlower - is a…
GitHub: How to configure connection over SSH – Ubuntu 18.04
Introduction SSH (Secure shell) for standard communication protocols used in TCP / IP computer networks. In this post, we'll focus on configuring communication between our computer and the GitHub server…
Talend: Kafka and MongoDB – real-time streaming
In today's world, we often meet requirements for real-time data processing. There are quite a few tools on the market that allow us to achieve this. At the forefront we…
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Docker Compose: How to run MySQL database?
In this article we will focus only on showing how to quickly launch the MySQL database in a container. Using volumes, we do not lose changes that we make in…
Apache Airflow: How to setup Airflow to run multiple DAGs and tasks in parallel mode?
Problem At the beginning of your journey with Airflow I suppose that you encountered situation when you created multiple DAGs with some tasks inside and when you run all workflows…
