Migration of a Mayan Instance from Ubuntu 20.04 VirtualBox to Ubuntu 22.04 Server
1. Installation of Mayan on Ubuntu 22.04 Server First thing we have to do is to put a naked installation of Mayan on the new Ubuntu 22.04 Server. Installation steps
Zinsderivate & Finanzmärkte – Linux – Embedded Systems
1. Installation of Mayan on Ubuntu 22.04 Server First thing we have to do is to put a naked installation of Mayan on the new Ubuntu 22.04 Server. Installation steps
Sharing folders between a VirtualBox host and a client is normally presented as a no-brainer: Insert the (virtual) guest addons CD on the client machine, have the addons installed, go
There is a lot of confusing instructions circling around regarding network sharing of scanners. Windows users are told to install programs like BlindScanner, additional network devices are advertised, and even
When working with ESP8266 or with Arduino boards I sometimes come across expressions like client.println(F(“Server started.”)); – That is the moment when I wonder what difference there is compared to
I recently bought a Chinese clone of the Lolin Wemos D1 Mini Pro ESP8266 device from the FEIYANG store at AliExpress. As I had problems running Wifi when setting the
The GtkEntry widget is pretty dumb: Whatever input is sent to the entry field (whether by user input or by the set_text method) is treated as a String. Time to
When developing GUI applications for Python, PyGTK expects the the coder to define the complete layout of the GUI with its objects and the corresponding wiring of events, signals and
A couple of years ago I recommended using gnuPlot for producing high quality plots of functions and time series. There has been a lot going on in data visualization since
With the new Buster release for the Raspberry Pi being out for some weeks, it’s time to upgrade my Pi Zero W server. Unfortunately, though, this is not so easy
Anyone who runs critical services such as web servers or private clouds on a Raspberry Pi is well advised to produce regular backups. The usual procedure is to remove the