Ubuntu Linux: The Brother DCP-J562DW scanner does not work
Problem If you've ever encountered a problem with a not working scanner then this post is just for you. I was terribly depressed like every time I had to scan…
How to edit the all rows (multi positions) in Notepad ++ or Visual Studio Code (VSCode)?
In this post I will show you how you can easily edit column values in multiple rows at once. Thanks to this trick, you will save a lot of time,…
[SOLVED] Docker: How to delete images tagged as repository and tag <none>?
When we often rebuild the application image, which is marked with the same tag, e.g. latest, we encounter the problem that our image registry (Docker registry) will have many images…
Photo by Jeroen den Otter on Unsplash
How to compare two files in Notepad++ v7.8.1
In this post I will show you how to compare two files in Notepad ++. In the latest versions of the tool (such as v7.8.1), installing the Compare plugin is…
[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…
![[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…
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