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UPDATE: This approach was superseded by the proxying through systemd-socket-proxyd approach.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

I was involved in the creation of the sshephalopod project, which was an attempt to build an enterprise level authentication framework for SSH authentication using the SSH CA feature.

The project is based on a wrapper script that signs a user via a SAML identity provider and gets user’s … read time 5 min.