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I’m an independent IT consultant and entrepreneur in the Internet and software business. I’m interested in design, enterprise applications, web apps and SaaS products. I design and develop business solutions and applications. I help companies in terms of software quality and knowledge transfer, e.g. with Angular and Spring Boot.

Aborting UNIX Processes Running Under a Specific TCP Port

As a longtime UNIX (of the macOS variety) / Linux user, it's kind of embarrassing that only recently I was made aware of this single command (or rather - in a true UNIX fashion: a composition of two commands) that allows you to stop a UNIX process running under a specific TCP port (e.g., a Spring Boot application or an Angular front-end during development) - rather than browsing for that port in a process list first and then manually using the ... Read more

Jess Frazelle: “For the Love of Pipes”

Somewhat recently, Jess Frazelle wrote about her love of UNIX pipes, a sentiment I wholeheartedly share, to the extent that I think web apps should behave more like Unix programs by making data readily available via APIs so other applications can easily process that data. This, in a nutshell, is the Unix philosophy as stated by Doug McIlroy: Make each program do one thing well. To do a new job, build afresh rather than complicate old programs by adding new "features". Expect the output ... Read more

Should Web Apps Behave More Like UNIX Programs?

Recently, through various discussions about the nature of the web and web applications I came up with an intriguing (to me at least ...) idea: Web apps should behave like UNIX command-line tools. Please hear me out and let me elaborate. Probably the most widespread pattern in modern web app development is that of single-page applications (SPAs). Though that particular term isn't used as abundantly anymore as it used to be a few years ago the design pattern it promoted still persists: Web apps ... Read more