My posts

Upgrading mariadb 5.5 to mariadb 10.6 to support moodle 3.11

First you need to stop the running 5.5. version: Make a backup of your mariadb datafolder: Then remove the 5.5

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Machform error: Cardinality violation: 1242 Subquery returns more than 1 row

We have a multiuser Machform PHP application running on a Redhat 7 Linux server with Apache webserver and MariaDB database.

Posted in Mysql, PHP | Leave a comment

Couldn’t connect remotely with mysql client (command line and phpMyAdmin) to the MariaDB server

I had a MariaDB server running on port 3306. I created a local MariaDB account ‘tommy’ with: CREATE USER ‘tommy’@’localhost’

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Connect to windows remote desktop from linux mint

When I tried to connect to my Windows server with rdesktop from Linux mint with: rdesktop -u username -d uib

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Get more details about an ip address

If you are interested in more information behind an IP adresse, you can run this command: curl which will

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Make music for your YouTube videos

I’ve used sometimes YouTube music library to add music to my YouTube videos. Today I found two alternatives where you

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cytomine installation

I have today installed the Cytomine version 3 from Here I will explain in detail the different steps needed

Posted in bash, Linux, Open source, Science | Leave a comment