The TwinCAT is automation software – both runtime and engineering environment from Beckhoff Automation. Since its early days it embedded “win”, which was a shortcut from windows. Today I’ve finally got a TwinCAT/BSD working within VM and had to enable old fashion ADS connection to integration developed within Apache PLC4X library and embedded in ConnectorIO Agent software.
Read the rest of this entry »The gohugo is being called a content management system, because… it allows to manage a content. As someone who used wordpress for far too long I found that gohugo was missed my expectations a bit. One of areas where I found it shortcomings are redirects and aliases.
Read the rest of this entry »By default kubernetes tls secret must consist two fields a tls.key and tls.crt. It works perfectly fine in most of the cases, but not when we need mutual tls which is handled by ingress-nginx. This kind of ingress requires a secret with a “ca.crt” field to validate client certs. Obviously it tricks a kubectl which can’t append more than standard.
I believe that I am not only one who needed to get a secret value out of kubernetes. Usual advice focus on use of kubectl with json output and/or jsonpath. Problem is – the kubectl jsonpath is limited thus result needs to be scanned further by jq. It works, but jq is not part of everyone’s working environment.
A long time ago I wrote an post about Configuration Admin and Arrays. Recently I attempted to use this feature with openHAB and I found that it doesn’t work with its configuration framework.
Read the rest of this entry »A while ago I managed to get Nginx and OpenID Connect working together. Obviously, there is a commercial plugin provided by Nginx authors, but for simpler cases we can use a a simpler way with auth_request which works nicely with OIDC token introspection served by for example Keycloak.
Remote repositories are one of fundamental concepts promoted by Maven. Its use is quite common. It is handled by maven-deploy-plugin, so its migration is something you will probably notice sooner or later. This short post will explain changes in new version of plugin which you need to take care of when moving from 2.8 or earlier releases.
Read the rest of this entry »One of most annoying things these days is managing CI/CD with multiple repositories. For quite long time github didn’t offer private repositories while gitlab did. This lead to situation where people been asking gitlab for additional features. One of these is support for mirroring git repositories from github to gitlab just to run pipelines. I happened to have the same requirement.
Read the rest of this entry »In this pretty short introduction I am going to describe you a trick which I learned recently while doing new CI/CD configuration for one of open source projects I work with.
Read the rest of this entry »Wireshark is outstanding piece of software. I had few chances to make use of it, early in my IT days, then in one of bigger projects I worked on, and finally now – when I began working on industrial integration protocols.
This blog post will describe a journey I had with Wireshark over last couple of weeks and tell you why clicking couple of times everywhere you CAN is sometimes better.
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