Connecting an ESP32 board to a public Wi-Fi network with a captive portal that requires user interaction can be a bit tricky. Your ESP32 does not have any user-driven interaction possibilities and each captive portal offers different steps for users to consent. Sometimes its a single page with terms of use and a simple accpet […]
Over the last couple of years, OpenTelemetry became the de-facto instrumentation standard for collecting and observing distributed service trace information. OpenTelemetry allows users to add standardized instrumentation code within their applications with the purpose of observing traces, metrics, logs and events independent of service implementation technologies and across all the major cloud vendors. Within this […]
Amazon S3 simple object storage represents the industry standard for cheap storage of large files. All modern cloud vendors do offer S3 alternative services that offer the same access and nearly the same conditions in terms of features and prices. One can say that S3 represents the backbone of modern cloud storages offering a scalable, […]
There is a lot of hype ongoing about the amazing capabilities of OpenAI’s ChatGPT and how it will revolutionize the writing of texts. Schools and universities are worried that ChatGPT will widely be used by students to summarize larger texts, books or general topics. Those ChatGPT generated texts, which seem perfect in word, sentences and […]
With hundreds of unique, cryptic passwords to manage we all have to admit that we are overwhelmed with today’s security requirements. Password safes along with two factor authentication (2FA) promises some help to organize those large numbers of auto-generated passwords. As Web based password safes became pretty popular for obvious reasons, they also represent a […]
You probably found that it is not that easy to overwrite the default Docker container command if you are running it in your Synology NAS. Maybe you came across the following error: “Unable to perform this operation, possibly the network connection is unstable or the system is busy. Please try again later.” Actually, this error […]
With more than 4 Million shops WooCommerce is one of the most popular ecommerce solutions world wide. WooCommerce is an Open Source solution operating on top of WordPress and is therefore easily accessible to hundreds of millions of people. WooCommerce offers a wide range of features that are necessary to operate a successful ecommerce web […]
Android 11 onwards introduced several more restrictive policies for applications to access the local storage. It is necessary to request the users permission for access in the context of usage not only to declare the access rights in the Android manifest file. See the Android error message below: Some storage directories are accessible nevertheless, such […]
For years, I have been struggling with my network camera and its inability to correctly detect motion without generating a storm of false positive images. No matter how I configure the sensitivity of my camera, it is generating thousands of false-positive motion pictures each single day. It seems as if the motion detection intelligence within […]
This short story starts with an accidental discovery of how frequent Log4Shell attacks are executed against businesses and public internet services in general. During my daily work at Dynatrace I come to test a lot of software services along with closely observing those through the eyes of a monitoring platform vendor. I am running a […]