My #BusinessTrip to #Kinshasa capital of #DRCongo Democratic Republic of Congo

By | December 14, 2021

As 2021 is ending I was starting to remember what happened this year in travel terms. This year was my first year in the last 20 years when I did not board an airplane or left the country. You can imagine what a change considering that my record is of 54 flights in a year.… Read More »

Filter #XML Documents using #XPATH2 Transforms for signature digests #banking #fintech

By | November 26, 2021

While working with XML Documents and trying to implement the XMLSignature I hit the issue of filtering what to sign from an XML. The basic documentation of the from XML signature standard XML Signature Syntax and Processing Version 1.1 describes several methods that can be used to transform an XML to prepare it for signing.… Read More »

How to run with multiple PHP versions on Fedora 35 using Apache and PHP-FPM

By | August 17, 2023

I am self hosting my own services on my home server and sometimes issues occur due to incompatible prerequisites and because I try to always use the latest version of everything. After updating from Fedora 34 to Fedora 35 again I hit one issue I already had: PHP prerequisites. The issue after update was caused… Read More »

#Bash one liner: Change permissions recursively for a set of files matching a criteria

By | November 2, 2021

There is a neat way using a bash one liner to change attributes of all the files from a path and sub paths that match a criteria. As an example following line makes all the script files from a path and sub paths executable.

Get simple health status of a #SpringBoot application from #bash

By | November 2, 2021

Here I describe a bash script to extract only the health status of a Spring Boot application. As an example I used an adaptor application that interfaces between two external systems. Note that there several components of the adaptor that need to be monitored: control queues a database connection disk space input queues output queues… Read More »

#Bash one liner: Get a specific #DNS record entry line #LetsEncrypt

By | November 2, 2021

Another bash one liner that saved my sanity. While generating site wide certificates from LetsEncrypt you have to check if a certain TXT key was added to the DNS record (_acme-challenge). Here is the magic line that returns only that for my domain “voina.fr”. So when waiting to see if the DNS TXT record was… Read More »

Two e-mails that changed the world #linux #bitcoin #future

By | November 2, 2021

Sometimes world changing grandiose events have very humble beginnings and can be seen at their time as something of not importance. I love how Internet is able to “record” this birthday of world changing cascading events with simplicity and ease. This was never the case in history. We read in history books only post factum… Read More »

Are you aware of what is important to you?

By | September 3, 2021

Dear Reader, Have you had the realization lately that you might not be totally aware of what is really important to you? You are your character. Your reputation is what others think you are. This is what the post started first with. But this information makes so much more sense when you embrace it with… Read More »

#Bitcoin #LightningLabs white paper and my financial advices #Bitstamp #Muun

By | August 24, 2021

This is my small contribution to the decentralized finance. Bitcoin is a future store of value. Bitcoin is not a traditional currency. Lightning Labs is a breath of fresh air for Bitcoin as a medium for exchange of value. I am a Bitstamp customer. Muun wallet very clean UX, simple, supports lightning protocol and interesting… Read More »

#ActiveMq #Artemis – Fix phantom messages issue

By | March 8, 2023

Sometimes we end up with phantom messages in ActiveMq or Artemis engines. This is usually the case when due to some network issue/ database issue and inconsistent commit was done. I have no idea if this is a bug of the engine or a known case that can happen because of external causes.   The… Read More »