More SMTP tweaks on my mail server06 November 2017

Recently I did some tweaking on my mail server and wrote down a couple of blog posts, mainly for future reference. One is about DMARC with Postfix on Debian stretch and should be read as an addition to the DKIM guide. The second one describes how to set up a SMTP via ssh tunnel using systemd that allows me to use my SMTP server as a smarthost from behind a firewall that blocks outgoing traffic on port 25.

pycrc v0.9.1 released09 September 2017

Version 0.9 of pycrc is a bugfix release. The most notable changes are a new license for the documentation (CC BY-SA 4.0), a warning for possibly unsuitable polynomials and a re-write of the code generation back-end.

Post-installation tweaks for Debian stretch29 July 2017

This post gives a few tweaks I like to apply to a freshly installed Debian system. Read more…

A Linux driver for the Realtek RTL8814AU WiFi chip26 July 2017

Recently I bought a TP-Link Archer T9UH USB WiFi dongle but could not find an up-to-date Linux driver for it (it is using the Realtek RTL8814AU chip). So I ended up porting an older driver to the latest Linux version (v4.12.3 at the time of writing) and added the TP-Link dongle to the list of supported devices. This article describes the changes and how to build this driver under Linux. Read more…

Pictures from Crete29 May 2016

Some pictures from Crete, Greece. Another year, another holiday in Crete. Read more…

pycrc v0.9 released06 January 2016

Version 0.9 of pycrc is a feature release. This version adds the experimental --slice-by option which can improve the calculation speed of the table-driven algorithm significantly.

Find older posts in the log archive.