Simple usage of Kerberos for SSH authentication on FreeBSD
9 mins
A short primer on how to get started using Kerberos for authentication inside your network. This includes setup of an kerberos key distribution center (KDC) on an secure host as well as of the server machines against which one will authenticate as well as the required configuration on the clients.
Selenium with Chromium and Java on FreeBSD
9 mins
This is a short description on how to get started using Selenium with chromedriver on FreeBSD with a Java application. This can be used to develop automatic test applications for web applications or simple bots that scrape content from webpages or automate actions on the web using a full browser capable of running JavaScript, running browser plugins, etc. (Update - In addition an implementation in Python has been added to show a short draft on how one can get started with Selenium in Python as well.)
AWS first steps - How to initialize the admin IAM user and initialize CLI tools
4 mins
Real first mini steps when using Amazon webservices. Adding 2FA to your root user, creating an administrative user, enabling 2FA there and creating access keys for CLI tools.
Using Sonoff T4EU1C non-neutral switches with own firmware
11 mins
A short review about the T4EU1C Sonoff Switch as well as an example how to flash Sonoff basic switches with custom firmware
Getting started with node-red for home/lab/process automation
18 mins
A short tutorial on how to setup node red and configure the first flows to be used with sonoff basic switches and other data sources as well as XMPP/MQTT interfaces and some other ideas how one can use node red in various areas
Privacy - TOR, VPN, DOH, Encryption. What's effective and what does it provide?
21 mins
Since I often hear confusion about the level or type of privacy when I talk with people about onion routing services like TOR, tunneling services like VPN, DNS encryption via DOH, using proxyservers, using alternate DNS services, using encryption and signature, etc. I've decided to write a short blog post about that different stuff and what it provides - and what not (in my personal opinion).
Simple ESP8266 blink example with NONOS SDK and custom Makefile
6 mins
Example on how one can use the ESP8266 NONOS SDK to build applications using a custom Makefile (i.e. not using the nested Makefiles of espressifs SDK) to build one of the most simple microcontroller projects.
Manually compiling ESP8266 applications
23 mins
A short description on what the ESP8266-NONOS-SDK really does (step by step) to build the firmware images that get uploaded to the microcontroller via esptool.
How to use Frama-C to proof correctness of AVR microcontroller code
12 mins
This is a short article that shows how one can use Frama-C and the WP plugin to proof correctness or some properties of ANSI C code written for AVR microcontrollers.
Some respectable TOR hidden services
4 mins
Because it's sometimes said TOR hidden services are only used by criminals this post lists a few more credible services and some reasons why one might use them.
