Technology fail: Bottle return machine
Learn #banking, #fintech and #payments jargon: Lombard Loan in RTGS
What is a Lombard Loan? The name ‘Lombard’ comes from a region in northern Italy. The Italian banking houses in the Lombardy Region had a rich history dating back to the Middle Ages. They are famous for first developing and popularizing the concept loaning money backed up by liquid assets. In RTGS context a Lombard… Read More »
State of consumer goods market post 2020 and a small list of tricks to get quality goods
I was looking for some time for a hair-dryer. No luck at start as retail stores and supermarkets are all flooded exclusively with low quality China made ones. Luck struck while on holiday. I always check stuff hotels use (usually they try to have high reliability appliances). To my surprise I found they had a… Read More »
Fedora Linux Server useful one liners -part 2
This is a continuation of the previous post about one liners from https://blog.voina.fr/fedora-linux-server-useful-one-liners/ Updating to a new version – extra commands In case the usual one liner does not work or there are some issues related to the upgrade, there are some additional things that can be done. Make sure to have latest packages of… Read More »
Fedora Linux Server useful one liners
While running the blog server on Fedora Linux I found out that some one liners are either very important to be executed once or very useful periodically. Here are some of my most used one-liners Updating packages Note that I allow dnf to skip broken packages and delete if necessary. Sometimes if using other than… Read More »
Monitor and control #ActiveMq using Jolokia #API
Apache ActiveMQ® is the most popular open source, multi-protocol, Java-based message broker. It is widely used in a lot of multi service application environments where we need to pass messages between services. All this type of environments (kubernets, docker swarm etc. ) are used to be able to monitor and control the component services using… Read More »
#Oracle # SQL Covert view to table issue: ORA-01723: zero-length columns are not allowed
In an Oracle database I was trying to convert an existing view to a table and preserve the data in it. For most of my views the following SQL worked perfectly: Then in one on the instances the following error occurred: While inspecting the SQL code of the views I noticed that the view with… Read More »
My #vintage #turntable set-up.
Several months ago I moved my childhood turntable setup to my new place. I will just post here some images of the set-up I like so much. Basically it was the standard turntable you could buy in the late 1980s in communist Romania. I remember that my dad bought it sometimes in 1983 or 1984.… Read More »
#Jboss: Data source connection optimizations
In a high load system deployed on Jboss Application Server the following optimizations for data source pool resources may be needed. 1. Change the minimum and maximum pool size of a data source (MyDS). This will ensure that we always have a minimum number of allocated connections and also we set a threshold to the… Read More »