Author Archives: George Valentin Voina

My #businesstrip to #Luanda #Angola

By | February 5, 2020

This is another trip done in August 2018. How to get there: Going to Angola is easy, there are a lot of airlines flying there. Obviously, the Portuguese airline has daily fights from Lisbon but you can also take the direct flight from Paris or Brussels.     Luanda is a very strange place in… Read More »

My #businesstrip to #Ulaanbaatar #Mongolia

By | September 27, 2020

Working for a multinational company that implements payment systems across the world has its ups and downs. Traveling to new and strange places which are not usually on ones travel wish list is one of the ups.  This is just my opinion, I know people for which having to travel to strange places is a… Read More »

#Java #Weblogic : The server is in an incompatible state

By | November 19, 2018

WebLogic application server has its share of mind boggling error messages the same as its competition like WebSphere or JBoss. For some weird reason my servers (WebLogic version of a JVM instance) all dies and entered the weird state of “INCOMPATIBLE STATE”. Of course the author of that state label forgot to mention “incompatible with… Read More »

Secure an #nginx or #apache website using #ssllabs.com

By | October 14, 2018

From time to time is good to perform a security audit to your Internet exposed services. Things change fast online so you have to keep up with the security reports to be able to maintain secure services online. My favorite tool for SSL related security audit is the great resource at www.ssllabs.com. The audit performed… Read More »

#Fintech joins the big boys in Singapore

By | September 19, 2018

In a very bold move Fintech firms to get access to Singapore’s real-time payment system. I like how this type of small countries like Estonia and Singapore become test labs for the financial technology. It is easy to do radical new things that use technology and change habits in a very technology oriented location like… Read More »

#SQL to find dependency between tables in #Oracle database

By | February 12, 2025

There are times when we need to find which are the tables that depend on a given table. This is useful when cleanup or archiving jobs have to pe performed and the interconnection of constraints is becoming a nuisance. Lucky for us in the case of Oracle database is quite simple to search through all… Read More »

Recover an #Oracle installation from a full disk backup in #Linux

By | August 26, 2018

Reinstalling things like Oracle is always a hassle and takes about one day to make it work. Lucky for me I made a full back-up of my old disk when I upgraded to a new laptop. On the new laptop I did a fresh install of Fedora 28. The idea is to migrate my old… Read More »

Technology fail: When #Lidl asks you to login to a #Linux terminal to find the price of an item :)

By | June 29, 2018

This was spotted in the wild by a coworker 🙂 After some research you can easily find that the device is a Scantech SG15c price scanner. See here the manual User’s Manual SG-15Plus . Interesting extract from the manual: “The login password is default blank.” Manual even gives instructions on how to modify prices 🙂… Read More »

Kaspersky Lab banned all across Europe #infosec

By | June 14, 2018

I am a long time evangelist of not using software that is linked to abusive governments. This applies sadly to a lot of software products and software environments linked to Russia and China. Regarding this, Kaspersky was one of my main “do not use” advice I was giving to people I know and to job… Read More »