show root-cause for compile-message: Recompile with -Xlint:deprecation for details

if the compile-output shows something like: Recompile with -Xlint:deprecation for details Build-Output Then it is time to get to the details of this message: in Gradle-scripts/build.gradle (Project) include the following line(s): tasks.withType(JavaCompile) { options.compilerArgs << "-Xlint:unchecked" << "-Xlint:deprecation" } build.gradle example When you now run the app the root-cause is shown in the output: example [...]

Openssl: show serial-# and issuer

openssl s_client -connect cipv6.de:443 2>&1|openssl x509 -noout -serial -issuer serial=03839493CC06B9487E59A519EEDABC5FAE36 issuer=C = US, O = Let's Encrypt, CN = Let's Encrypt Authority X3

ntopng , fritzbox (fritzdump.sh) and geolocation

The latest browsers have removed the Geolocation API from unsecured Origins. If you still want to use Geo-API tools with fritzdump.sh ntopng needs to run secure, based on ssl (TLS). ntopng has written a nice howto to use let's encrypt-based certs. But what needs to be adjusted on the firtzdump.sh script ? if you want [...]

How do I debug Tradfri on Openhab ?

open the openhab-cli: root@rpi6:/home/pi# openhab-cli console Logging in as openhab __ _____ ____ ____ ____ ___ ____ / / / / | / __ ) / __ \/ __ \/ _ \/ __ \/ /_/ / /| | / __ | / /_/ / /_/ / __/ / / / __ / ___ |/ /_/ [...]