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Post-installation tweaks for Debian stretch29 July 2017

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

An updated 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.   More…

Pictures from Crete29 May 2016

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

Using Let's Encrypt in manual mode07 November 2015

This short guide is for people who want to have their web site certified by Let's Encrypt but can't or don't want to use the fully automated method of the letsencrypt tool. This text describes how to generate a private key and a certificate signing request for multiple domains, and finally how to use the letsencrypt command to submit the CSR. None of the described steps (apart from installing the private key and the certificate) require superuser privileges and they can be carried out on a separate machine. Note: See also the newer article about auto-renewal of Let's Encrypt certificates with acme_tiny.   More…

pycrc v0.8.3 released31 August 2015

Version 0.8.3 of pycrc is a minor bugfix release. This version adds some performance optimisations in the table-driven code and improves the compatibility with C++ in the function signature of the crc_update() function. The experimental --bitwise-expression option was removed to improve future restructuring of the code. The pycrc project now has its own home: pycrc.org.

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