Sunday, June 30, 2019 •
After setting up an email server, one way to test it, is connecting directly to port 25 (SMTP) and talking
to the server. Unlike in Simple dummy Mail Server for development in this
post, we’ll only use telnet. Or we could also use netcat, also known
as the “Swiss Army Knife” of network tools.
Saturday, May 11, 2019 •
Running your own service in Tor under a Debian based operating system is easy:
Saturday, April 20, 2019 •
Oracle provides a java build for ARM, which runs on the raspberry pi. However, this build doesn’t contain JavaFX like the other java builds for Linux, Windows or MacOS. Luckily, there are prebuild binaries for JavaFX for ARM, too: Community Builds. I took the stable build from chriswhocodes.
Sunday, January 13, 2019 •
I first observed this behavior on our build server running Jenkins. We have two build jobs, building
snapshot versions. Project A and B. Project B depends on A. Always dealing with snapshots. Jenkins ran
the standard mvn clean install command. Now, when both jobs were running in parallel on Jenkins, sometimes project
B failed during compilation or running unit tests with weird ClassNotFound exceptions. The missing classes were
from project A, of course.
Wednesday, December 26, 2018 •
This more than 30 years old Triumph-Adler Alphatronic P2 is still working. It can also play music. Here is a video how it plays the song Silent Night. This song is this year 200 years old.
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