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…
![[SOLVED] Error: “This Jenkins instance appears to be offline”](https://bigdata-etl.com/wp-content/uploads/2019/10/jenkins-offline-eng-300x201.jpg)
Photo by Annie Spratt on Unsplash
[SOLVED] Error: “This Jenkins instance appears to be offline”
Problem During the installation of Jenkins, we may receive an error saying that our Jenkins do not have internet access. The problem may be due to the fact that we…
![[RELEASED] Free online XML Converter](https://bigdata-etl.com/wp-content/uploads/2019/10/xmlconverter-300x200.jpg)
Photo by Arnold Francisca on Unsplash
[RELEASED] Free online XML Converter
Inspired by my previous post regarding the conversion of special characters in XML files, I decided to create a own converter. I hope it will be useful for you many…
Photo by Drew Beamer on Unsplash
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…
Photo by Thomas Serer on Unsplash
Football: Machine learning – predicting match results in real-time
I have gathered to write this entry for a long time. One day, when I was playing with the capabilities of the Apache Spark MLib library, I came up with…
![[SOLVED] Docker for Windows Hyper-V: how to share the Internet to Docker containers or virtual machines?](https://bigdata-etl.com/wp-content/uploads/2019/10/hyperV-docker-internet-eng-300x200.jpg)
[SOLVED] Docker for Windows Hyper-V: how to share the Internet to Docker containers or virtual machines?
Problem Do you use Hyper-V virtualization, create a virtual machine, but it does not have internet access? No problem. We can solve it easily! Cause The reason for the lack…
![[SOLVED] Maven settings.xml password with special characters](https://bigdata-etl.com/wp-content/uploads/2019/10/escape_character_eng-300x212.png)
Photo by Jason Leung on Unsplash
[SOLVED] Maven settings.xml password with special characters
Problem We define a connection to a proxy server or to, for example, an artifact repository that contains names specifically such as: < (less-than)> (greater-than)& (ampersand)' (apostrophe or single quote)"…
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…
