Applications Archives • Helge Klein

Unbound: Conditionally Include Only Existing (Docker) Interfaces

This article presents a simple and reliable solution to flexibly configure Unbound with interfaces that may not exist when Unbound starts.

No Bluetooth Audio In Zoom Android App: Solution and Explanation

Getting Bluetooth headphones or headsets to work with the Zoom Android app can be a frustrating experience. This quick post documents the issue I ran into along with its solution.

Upgrading PostgreSQL in a Docker Container

This article describes the steps necessary to upgrade PostgreSQL to a new major version in a Docker environment. There are many articles on the subject, but I couldn't find any that were complete, correct, and concise. So I wrote my own.

Windows Installer Errors 2503 & 2502: Called RunScript when not marked in progress & Called InstallFinalize when no install in progress

This is a quick post on how to troubleshoot situations where you get error 2503 (Called RunScript when not marked in progress) followed by error 2502 (Called InstallFinalize when no install in progress) when trying to install or uninstall software with Windows Installer.

Identifying MS Teams Application Instances & Counting App Starts

Microsoft Teams is a web application that needs a browser as a runtime environment. In order to keep things simple – at the expense of disk space – the Teams installation package contains not only the actual web app but also all components that are needed to run it, including Chromium. When you launch Teams, […]

Windows Terminal as Standard User With Dedicated Admin Account

Feature-wise, Windows Terminal is a fantastic replacement for the dated console host. It presents entirely new problems, however, in a secure setup with a standard user for day-to-day operations and a separate admin account for tasks that require elevation.

Free Services to Send Files End-To-End Encrypted

There are a number of services for sending files to someone else that are both free and secure. This post provides an overview.

ShareX: Free Screen Recording Tool & Mouse Pointer Offset Fix

This is a quick post to remind me of two things: 1) ShareX is the tool of choice for screen recordings on Windows. 2) On high-DPI (4K) screens there is a mouse pointer offset that can easily be fixed.

Changing the Location of Total Commander Configuration Files

Depending on how you installed Total Commander, the default settings location may resolve to the installation directory or the user profile. This article explains how to locate the configuration files and shows how to move them to any directory of your choice.

JavaScript Linting (Static Code Analysis) in VS Code

Lint is a static code analysis tool that is used to identify various kinds of problems, with the goal of making source code more consistent and avoiding bugs. There are two popular linters for JavaScript: ESLint and JSHint.

VS Code as Markdown Note-Taking App

In the last few years, I have tried many note-taking applications. They all shared a common UX flaw: lack of keyboard accessibility. Finally, I had the idea to give Visual Studio Code a go and found note-taking heaven.

Changing the Location of KeePass Configuration Files

Depending on your KeePass package (installer or portable), the default settings location may resolve to the installation directory or the user profile. This article explains how to locate the configuration file and shows how to move it to any directory of your choice.

End-to-End-Encrypted Team Communication & Collaboration Tools

This post is a collection of my notes about my search for secure collaboration and communication tools for smaller organizations, specifically vast limits. I will update it from time to time.

Switching from Chrome to Firefox

After many years as a happy user, I switched from Chrome to Firefox. How did that go? Astonishingly well! Here are some notes I took in the process.

Firefox Containers: Multiple (Gmail) Logins Through Privacy Isolation

To monitor web app performance and usage on any site (or just on your business-critical SaaS apps), take a look at our uberAgent product. In a nutshell, Firefox Containers makes it possible to log in to a website with multiple different accounts at the same time. This is accomplished through data segmentation: cookies and other […]

Installing Office 2019 from Microsoft Partner Center with Deployment Tool

Installing Office 2019 as a Microsoft MPN silver or gold partner is a little more complicated than it used to be. Partner Center has keys but does not directly offer installation media to download. This article lists the necessary steps to get Office 2019 on your machine(s) without assigning Office 365 licenses.

Changing the Location of Notepad++ Configuration Files

Depending on what you selected during the installation, Notepad++ stores its configuration files either in the installation directory or in your user profile. This article describes a simple way of moving your existing configuration to a different location.

Modern Multi-Process Browser Architecture

An architecture overview of current browsers on Windows: Chrome, Firefox and Internet Explorer.

Standard Notes: a Note-Taking App with Client-Side Encryption

Note-taking is one of those topics that appear to have been solved long ago, yet offer plenty of opportunity for new contestants. There are multiple reasons for that, but for me the number one is encryption. The major players, Microsoft OneNote, Evernote, and Google Keep, store your thoughts and ideas in plain text on any […]

Block-Based Encrypted Cloud Backup with Duplicati 2.0

I am an infrastructure guy (by heart – and a developer by nature). As such, topics like maintaining my own webserver (which I don’t – yet) or configuring backup deeply fascinate me. I am also mildly paranoid with regards to the safety and, especially as of late, the privacy of my data. That makes finding […]

Category: Applications

Unbound: Conditionally Include Only Existing (Docker) Interfaces

No Bluetooth Audio In Zoom Android App: Solution and Explanation

Upgrading PostgreSQL in a Docker Container

Windows Installer Errors 2503 & 2502: Called RunScript when not marked in progress & Called InstallFinalize when no install in progress

Identifying MS Teams Application Instances & Counting App Starts

Windows Terminal as Standard User With Dedicated Admin Account

Free Services to Send Files End-To-End Encrypted

ShareX: Free Screen Recording Tool & Mouse Pointer Offset Fix

Changing the Location of Total Commander Configuration Files

JavaScript Linting (Static Code Analysis) in VS Code

VS Code as Markdown Note-Taking App

Changing the Location of KeePass Configuration Files

End-to-End-Encrypted Team Communication & Collaboration Tools

Switching from Chrome to Firefox

Firefox Containers: Multiple (Gmail) Logins Through Privacy Isolation

Installing Office 2019 from Microsoft Partner Center with Deployment Tool

Changing the Location of Notepad++ Configuration Files

Modern Multi-Process Browser Architecture

Standard Notes: a Note-Taking App with Client-Side Encryption

Block-Based Encrypted Cloud Backup with Duplicati 2.0