Sometimes it can happen that the following error message appears when starting the Docker Compose Stack, natively or via Portainer: The error “Failed to deploy a stack: service ‘docker’ refers to undefined volume mnt/docker: invalid compose project” occurs if a… Read More »Docker-Compose: Failed to deploy a stack: service refers to undefined volume – Solution
Yes, the Unifi Dream Machine Pro (UDM Pro) can display statistics about DNS requests, but there are some limitations and requirements that you need to be aware of: Standard functionality of the UDM Pro The Unifi Dream Machine Pro does… Read More »Unifi Dream Machine (Pro) DNS Analysis / Statistics
Power over Ethernet (PoE) is a technology that makes it possible to transmit both power and data via a single Ethernet cable. This eliminates the need for separate power cables for devices such as network cameras, VoIP phones, wireless access… Read More »What is Power over Ethernet (PoE)?
SpaceX, Elon Musk’s private space company, is preparing to carry out the first commercial spacewalk in the history of space travel. This milestone is to be achieved as part of the Polaris Dawn mission, which is scheduled for launch in… Read More »SpaceX plans the first commercial spacewalk: a historic step in space travel
Deutsche Telekom demonstrated its expertise in drone protection during the 2024 European Football Championship in Berlin. Deutsche Telekom worked with the Berlin police to ensure security at the Olympic Stadium. State-of-the-art technology was used to detect unauthorized drone flights and… Read More »Telekom umbrella in use against drones at the European Football Championship in Berlin
Calibre Ebook Manager is a versatile, free tool for managing, converting and reading e-books. With Calibre you can organize your e-book collection, convert books into different formats, edit metadata and transfer e-books to different reading devices. In addition to the… Read More »Calibre Web: A practical front-end for eBook management
To get started with the Docker Engine under Ubuntu, you must ensure that the minimum requirements are met. Prerequisites Memory: 512MB RAM (2GB recommended)Hard disk: Sufficient to run the desired Docker containers.CPU: Depends on the applications that are to be… Read More »Install Docker Engine on Ubuntu
The Docker Engine can be installed under Debian with just a few commands. Congratulations to you! You have successfully installed Docker and Docker-Compose on Debian. What is Docker actually? The Docker Engine is an open source tool for creating, managing… Read More »Install Docker Engine on Debian
The DSM update to version 7.2.2 causes the Plex media server to stop working. However, this only applies to the Plex package from the Synology Package Center, Docker installations are not affected. Plex Server no longer works under DSM 7.2.2… Read More »Synology DSM version 7.2.2 breaks Plex – Solution / Fix
Docker is a powerful tool for isolating applications in containers and running them platform-independently. When using Docker, it is often important to configure the time zone correctly, especially for time-dependent processes. In this article, you will learn how to use… Read More »Using the TZ time zone specification in Docker: Instructions and available time zones
