I usually don't write about the Microsoft Windows ecosystem, but this one took a while to figure out and I hope it saves other people time. The setup: Microsoft Windows, the Teams application, a Canon EOS camera attached over a no-name HDMI-to-USB video grabber being used as a web cam. The issue: video sporadically freezes … Continue reading Microsoft Teams video freezing
Author: George Georgovassilis
Elgato Camlink and Linux
An Elgato Camlink 4K wouldn't work under Ubuntu 22.04. It would show up with lsusb, but Cheese wouldn't list it as a device and OBS studio would show it as a disabled device. A little stream conversion magic [RED] #!/usr/bin/env bash # You need to run # sudo apt install v4l2loopback-utils v4l2loopback-dkms # once and … Continue reading Elgato Camlink and Linux
Removing unused snap packages
I think that Ubuntu 22.04 doesn't remove old snap packages when they become unused because on my system this command: snap list --all shows a long, long list of packages. User chipaca found an elegant solution [sh]: LANG=C snap list --all | while read snapname ver rev trk pub notes; do if [[ $notes = … Continue reading Removing unused snap packages
Running Wikipedia offline
This post explains how to run Wikipedia offline on Linux inside a Docker container. Prerequisites (not explained here): a web browser to access the offline copy a Linux server connected to your network Docker on the Linux server 1. Download a ZIM archive of Wikipedia. In this example I used wikipedia_en_all_maxi_2023-11.zim. You can find the … Continue reading Running Wikipedia offline
Detecting FTL travel with LIGO
TL;DR: a warp trip will show up on a gravitational detector because the space ship's mass instantly disappears and later re-appears somewhere else. Enterprise at warp. Copyright Paramount Comms. There is some interesting foundational research [ALC] into faster than light [FTL] travel, but by everything these theories tell us, the ingredients for such modes of … Continue reading Detecting FTL travel with LIGO
