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)
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)
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…
![[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)
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)
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)"…
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…
In this short post I will show you how you can change the name of the file / files created by Apache Spark to HDFS or simply rename or delete any file.
In this post I will show you how to run the shell command by programming in Scala and how you can use it in Apache Spark.
A short tutorial on how to edit the hosts file under Windows system.
You would like to run several commands at the same time, but each of them should be run in a separate thread.
