open source – Valentijn Sessink

Publish a Thunderbird Calendar in Nextcloud

Posted on 18 December 202518 December 2025 by Valentijn

I have a calendar in Nextcloud that I want to publish. Let’s call it Party. I want this to be a public link and have a readable name. I want it to be read-only. Sharing it directly from within the Calendar app in Nextcloud will unfortunately give users opportunity to use the caldav entity of…

Snap is broken

Posted on 21 February 202521 February 2025 by Valentijn

It sounds cool: having a single package format that is “easy to install, secure, cross-platform and dependency-free”. Because it is hard to maintain all these different versions for all those distributions and platforms. Unfortunately, Snap is not a solution. It is yet another problem for the Linux desktop.

Thunderbird Calendars – the definitive guide

Posted on 26 June 202430 June 2024 by Valentijn

If you’re getting a “This message contains an event that has already been processed” warning in Thunderbird invitations, this post is for you.

Rooting the Cube U30GT rk3066 android tablet

Posted on 28 September 201216 May 2014 by Valentijn

I just bought a Cube U30GT Android tablet, based on the Rockchip RK3066 ARM chipset. Here are the instructions to root it under Linux.

Microsoft over open source

Posted on 7 April 20097 April 2009 by Valentijn

In een serie artikelen besteedt Livre aandacht aan een nieuwe publicatie van Microsoft over Open Source. En of ik daar ook een mening over heb. Nou heb ik wel een mening over Open Source, daar niet van. Maar een mening over Microsoft formuleren – ik weet wel leukere tijdsbestedingen. “Ja maar”, zei Jan, “het is…