How to make #ActiveMq a cluster ready service using #bash scripts and #API calls

By | May 23, 2022

ActiveMQ is a very nice and powerful open source, multi-protocol, Java-based message broker. It is a very popular software used to bridge between loose components of an environment that consists of several services. To make it really useful in a modern architecture of a complex software product we must prepare ActiveMQ to be very easily… Read More »

Simple #backup using #cron #tar and #LTFS on a #LTO tape drive

By | February 21, 2022

We all know back-up is important and a must have in case of critical systems. Making a backup on tape is one of the best industry standards that is still unmatched. In the following I am presenting a simple way to make tape back-ups using tar and LTFS on LTO5 and up tapes. Why LTFS… Read More »

My notes from #Sibos2021 #banking #fintech

By | December 11, 2021

This year, SIBOS was held yet again as an online conference in October. This is in fact a good thing because more people can participate and you are not stuck at your company booth :), so in fact you can attend all the interesting topics. So here are my notes of things that caught my… Read More »

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 »