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Showing posts from May, 2023

A story on Japanese blogs about potatoes being convicted in a Catholic religious trial. (I cannot find it in other languages.)

One of my favorite YouTube Channels is "Miscellaneous History Historica (歴史雑記ヒストリカ)" by Mondo ( https://www.youtube.com/@mond_historica ). It's a Japanese channel. There is a video about the history of potatoes. https://youtu.be/qiJNxcjQBtk  【ゆっくり歴史解説】じゃがいもはどうやって食卓に浸透したのか?世界史の中のイモ史。 (Yukkuri-history explanation: How did potatoes make their way to our tables? The history of potatoes in world history.) In this video, there were stories about Marie-Antoinette and Louis XVI's attempts to introduce potatoes, and the relationship between the English royal family and potatoes. Potatoes are "unbiblical crop" and therefore they are evil. The fact that they grow from seed potatoes is "sexually impure" because "potatoes grow in a way other than the union between a male and a female ordained by God. The Roman Catholic Church accused them, and they were guilty. Then, potatoes were burned at the stake."  I thought this story was interesting because Rom

How to fix VirtualBox Linux boot error: vboxadd-service.service failed.

Problem: 2023-05-25, suddenly I cannot boot my linux virtual machine with an error vboxadd-service.service failed. My environment   Host: Windows 11   VirtualBox 7.0.6. r155176 (Qt5.15.2)   Linux kernel 5.19.0-42-generic, Kubuntu Solution: Remove the additional module. It seems this is no longer needed. mount the VBox_GAs_7.0.6 (You need to mont VBoxGuestAdditions.iso and need to see it at /media/<username>/VBox_GAs_7.0.6/) cd /media/<username>/VBox_GAs_7.0.6/ sudo ./VBoxLinuxAdditions.run uninstall Solution (updated 2023-06-02) The issue seemed caused by the wrong display setting. Removed VBoxLinuxAdditions makes VBoxVGA Graphics controller works, but the clipboard between host and guest didn't work. So removing the VBoxLinuxAdditions is not a solution. I have no idea why the Graphics controller setting suddenly causing a problem. But here is the solution. Setting the Graphics controller to VMSVGA resolved the problem. VBoxLinuxAdditional.run should be executed. Otherw