This is a brief brain dump, so I can recall it when needed.

Each time I get a new Samsung phone I have to figure out a way to change the Country Service Code (CSC) to a country that allows automated call recordings, for example, Indonesia (XID). Previously, approximately 5 … read time 5 min.

I think everyone would agree that when it comes to the VPN configuration macOS builtin VPN client lacks any flexibility and its GUI exposes a fraction of supported features. This is one of the reasons why there are so many third party VPN clients for macOS in the world, I … read time 1 min.

Recently, I started to get notifications from my Google Search Console that some pages have their content wider than screen and that impacts Mobile Usability. However, when I went to the affected pages and performed a test through “TEST LIVE PAGE” no Mobile Usability issues were found. Yet, the re-validation … read time 5 min.

Searching the web for an example of a fully responsive pagination widget I found that either people consider “responsive” to be something else or that it is a non-trivial problem to solve. In any case, I decided to have a crack at it myself.

My definition of a responsive pagination … read time 7 min.

In this post I am going to document the steps I took to implement a fully automated deployment of my blog using GitHub Actions and GitHub Pages.

As always, I started … read time 20 min.

I am not a front-end developer, not a UI designer, nor a UX guru, but I am an engineer, so when I face a puzzle worth solving my brain switches on and I cannot let it go until I find a satisfactory solution to the puzzle.

My blog heavily relies … read time 18 min.

I had my blog site for more than a decade now, but until now I was not putting any effort or thoughts into maintaining my audience or promoting the site. It was dormant for nearly a decade so I decided to rejuvenate it and start using it as a platform … read time 6 min.

Recently, I wrote about the dynamic resolution of upstream servers in nginx which was achieved by quite an intrusive patch to the core nginx module. The patch was invented a while ago and was working very well up until recent nginx versions were released.

With the release of nginx 1 … read time 9 min.

UPDATE: This approach was superseded by the proxying through systemd-socket-proxyd approach.

Many of my clients are running application stacks consisting of nginx plus some kind of scripting engine behind it (be it PHP, Ruby, or something else).

The architecture I designed for this kind of workload involves at least two … read time 1 min.

A while ago in the Transparent SSH host-jumping (Advanced) post I described a technique on how one could jump quite effortlessly through a chain of intermediate hosts. However, there was a catch: the user names and ports across the whole chain should be the same and there was no easy … read time 3 min.