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 »
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 »
It was such an interesting and busy week with al Java developers scrambling to fix the log4j security issue. Obviously to keep your sanity you have to laugh about all this mess. My thanks go to all the creators of the log4j memes.
Make sure your Spring Boot project doe not depend on a bad version of log4j. If the answer is: you are safe. If you got a match with a version between 2.0.0 and 2.15 you must update to the version 2.16
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 »
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 »
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 »
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 »
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.
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 »