Using systemd-boot on Debian Bullseye 21 November 2020

The systemd-boot boot loader is a small UEFI boot loader. Read on if you don't need the features and complexity of a much more powerful boot loader such as grub. This article describes my setup for a Debian Bullseye system. Read more…

Installing Debian over a serial console 23 April 2020

This article describes how to modify a Debian installation disk to to enable the serial console as the input/output device for an installation. This may be useful for platforms where it is impossible or impractical to attach a monitor to the system e.g. for remote installations or for installing a VM. Related is the post about the installation of a VM over a serial console. Read more…

Pictures from Portugal 22 September 2019

Some pictures from Portugal.

Resizing an LVM disk 30 May 2019

This is a short article on how to resize an LVM disc. It took me some time to find the right incantations to resize a whole volume, so I wrote it down in case others and to my future self might find it useful. Read more…

Pictures from Montenegro and Dubrovnik 17 September 2018

Some pictures from Montenegro and Dubrovnik.

Pictures from Wales 25 March 2018

Some pictures from Wales from summer last year.

More SMTP tweaks on my mail server 06 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 released 09 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.

Find older posts in the log archive.