In the last article I showed a small hack on diskettes. Now I want to present a more complex device that I build. But as always, lets start with a small background first.. Continue reading “Old School Hacks/2”
Old School Hacks/1
Last week I reopened a drawer on my parents home where I had a bunch of old electronic stuffs.. It was at least 15 years that I did not open that drawer and I found a couple of cool hacks that I made when I was young that I think are worth presenting… Continue reading “Old School Hacks/1”
Add Message of the day to RPI
Recently I wanted to add a message of the day (MOTD) to my RPI. Basically every time I login i want to see the some info as shown in the picture. Continue reading “Add Message of the day to RPI”
Template Classes in C++
C++ is one of the most powerful programming language in the world. You can practically do everything with it. Continue reading “Template Classes in C++”
WordPress Exclude Categories from main pages
Today I wanted to restructure this website, by excluding the Articles from Blog Section… I using worpress (Yeah, I am Lazy..) . So It turns out there is an easy solution for that: Continue reading “WordPress Exclude Categories from main pages”
Flash code to ESP8266 ESP-12 Module – Step-by-step guide…
Recently I found a box in the shared hardware lab… That box has been there forgotten by everyone else for some years.. I looked inside and together with some useless crap, there was a small chip-module about 1 x 2cm in size labelled as “ESP8266” … I thought: “Probably Continue reading “Flash code to ESP8266 ESP-12 Module – Step-by-step guide…”
Unable to pull images from Docker Hub…
It happened to me and to some of my colleagues that we were unable to pull images from Docker Hub… From the local docker console the login was successful and from the web admin page we set up all the correct permissions for the users… After some hours of struggling, I finally was able to figure out what was the problem and — Continue reading “Unable to pull images from Docker Hub…”
Keep Linux process running…
Today, I wanted to show a quick Shell script in linux that make sure that my processes are always running… I know, I know… There is “Systemd” with “systemctl” command that take care of that… but what if we do not want to use Systemd or we need to manually force always running services, or we just are looking for to another alternative? how to do that? Continue reading “Keep Linux process running…”
MAC addresses
When working with Gateways, RPI (but also normal PCs), I often have the need to use a unique identifier of the device… The reason can be anything: for logging purposes to automatic authentication, to send “I Am Alive” messages to keep track of which devices are working properly. Continue reading “MAC addresses”
Merging two folders in python.
Recently i wanted to merge two folders in python and overwrite existing files in the destination folders. Shutil library offers a lot of high level file handling functions, however, noone of them offers offer the merging. Continue reading “Merging two folders in python.”