Homebrew is an open-source package manager for Apple MacOS not too different from the well known linux package manager like dpkg, rpm or the FreeBSD pkg. Some commands which I need regularly even thou...

I'm running my rusty old ThinkPad T430s Laptop as (quite capable) homelab VM host under Linux/KVM running playground VMs. And because I'm accessing this machine only remotely over RDP I don&...

Utilising cloud services make it easy to deploy Node.js applications online, without the need to setup an own virtual private server (VPS) and install and configure the needed operating system and/or ...

One of the most used tools in the data science field (alongside R) is Python with its enormous amount of libraries like NumPy, pandas or SciPy. Alongside these there is also the web frontend Jupyter t...

When working on data science problems you'll probably come in touch with the well known statistical software package R. While R, due to its long history, is an extremely versatile & powerful ...

There are situations where you obtain JSON data from an external source (e.g. via a REST-API) which contains date and time Information in the ISO 8601 format which looks like this: 2020-10-27T13:47:25...

To be able to develop with Node.js or to deploy Node.js application on a server there has to be a Node.js runtime installed on the server. While Node.js is available in the Debian package repository, ...

Creating & keeping backups of your data is essential and often not done because of the hassle associated with it. Using the powerful & easy command line tool HashBackup you can create encrypte...

When running different systems on your internal network (e.g. as services on your homelab) it would be nice not to have to memorize the IP addresses of all the servers. You can achieve this by either ...

You want to host your own blog or a website for your personal project, but you don't want to use shared hosting? Host your website on an own Virtual Private Server (VPS). You can use any of the m...

If you're a MacOS user then sometimes you need to run Windows for some particular reasons like special website tests (in the native Edge web browser). An easy & free way to do this is by usin...

I've been using my personal domain for a long time for all my e-mail needs and been thinking about using it for hosting a personal weblog, too. But, as so often, real life interfered and I actual...