Amazon Quantum Ledger Database (QLDB) as a blockchain database as a service

Nowadays, everybody talks about blockchain technologies but not many understand all the concepts behind it. Even less have any practical experience with these issues. Therefore here, we will try to put some light on it. When in June our request for preview access to the QLDB service was approved, we all rubbed our hands together […]

How to configure psql PostgreSQL client on a production environment to limit the downtime resulting from human mistakes

During systems maintenance, it is often required to conduct working on dev, test, preprod and prod systems. To avoid accidental mistakes leading to downtime it is worth to give a clear warning to operators logging on and working on prods environments. This post is short, for many of you probably obvious (hopefuly), others probably planned […]

Private file sharing using NextCloud with Wasabi S3 – a good dropbox replacement (Part1)

In this post, we present how to deploy and configure NextCloud – the data-sharing platform – to store and secure files in an efficient way in terms of security and cost optimization. Nowadays, data-sharing among team members is a must. While in the case of source code there is practically one single way – Git […]

Jump into the eighties and play thousands of retro-games for $35 only (Atari 800 XL over Recalbox 6.1 on RaspberryPi 3B+)

Software engineers are humans beings as well. Those of them over the age of thirty definitely remember old computer games, which often started their passion for IT. Nowadays, apart from table tennis and table football, playing retro games can also be a good way to de-stress after work 😉 How many of you remember times […]