Author: Norbert Preining


Marko Lukša: Kubernetes in Action

The rise of Kubernetes as one of the most important tools for devops engineers and developers is out of discussion. But until I moved into my current company I never had any chance to...


Debian/TeX Live updates 20180824

Exactly one month has passed since the last TeX Live for Debian update, so here we are with the usual bunch. Besides the usual updates to macros and font packages, this time I also...


CafeOBJ 1.5.8 released

Some time ago we released CafeOBJ 1.5.8 with some new features and bugfixes for the inductive theorem prover CITP. We are still struggling with SBCL builds on Windows, which suddendly started to produce corrupt...


#!/usr/bin/env != /usr/bin/perl

I just say one thing … I hate irrelevant policies. Now I have to either patch 59 files in TeX Live, or write a script that goes through a few Gb of data to...


台湾の新竹でのDebConf 2018

Debian Developers Conferenceは毎年開催され、今年は7月29日から8月5日の日程で、台湾の新竹で開催されました。2000年に設立して以来、この年次会議がアジアで開催されたのは初めてでした。


DebConf 18 – Day 3

Most of Japan is on summer vacation now, only a small village in the north resists the siege, so I am continuing my reports on DebConf. See DebConf 18 – Day 1 and DebConf...


DebConf 18 – Day 2

Although I have already returned from this year’s DebConf, I try to continue to write up my comments on the talks I have attended. The first one was DebConf 18 – Day 1, here...


DebConf 18 – Day 1

This year’s DebConf happens to be the first in Asia, in Hsinchu, Taiwan. And also for me the first DebConf I ever participated. I arrived on Saturday night from Japan, and will try to...


Debian/TeX Live 2018.20180724-1

After more than two months finally an update to TeX Live in Debian again. I was a bit distracted by work, private life, travels, and above all the update to texdoc which required a...


Microsoft fixed the Open R Debian package

I just got notice that Microsoft has updated the Debian packaging of Open R to properly use dpkg-divert. I checked the Debian packaging scripts and they now properly divert R and Rscript, and revert...


Microsoft’s failed attempt on Debian packaging

Just recently Microsoft Open R 3.5 was announced, as an open source implementation of R with some improvements. Binaries are available for Windows, Mac, and Linux. I dared to download and play around with...


Git and Subversion collaboration

Git is great, we all know that, but there are use cases where there completely distributed development model does not shine (see here and here). And while my old git svn mirror of TeX...


Hyper Natural Deduction

After quite some years of research, my colleague Arnold Beckmann and my paper on Hyper Natural Deduction has finally been published in the Journal of Logic and Computation. This paper was the difficult but...