Yearly Archives: 2026

I have the problem described in I probably disallowed using the camera at some time in the past and now can’t find a way to allow it again. How can I reenable it? . However, when I try the dbus commands in that post, I get errors indicating I don’t […]

virt-viewer is, intensely white : And this is version 11.0-256 built on SPICE-GTK as per this about page:

As I am continuing to set up a WireGuard VPN link to a remote location, I managed to get the link to work from the peer’s address to the instance’s LAN, after my previous question re the same. When the link is brought up from my local WG client machine, […]

Very recently, whenever I start sharing my screen during a call in Microsoft Teams (be it with someone, or even when I’m alone in an instant meeting), the desktop app would crash instantly and restart for no apparently reason. Upon checking the event viewer, this is what I see: ms-teams.exe […]

I’m trying to help my uncle with an issue with the Mail app on his iMac running iOS Tahoe 26.6.2 . He mistakenly attached a 30 GB to a message and hit send. Since then the Mail app freezes after a few dozen seconds, with an error message about the […]

Let’s say you wish to cut out some part of a video file. As an example we will use this file. The shortest minimal working code example for this task with FFmpeg can look as follows: ffmpeg -i file_example_MP4_1920_18MG.mp4 -filter_complex "[0:v]trim=5.123:7.123,setpts=PTS-STARTPTS[v0]; [0:a]atrim=5.123:7.123,asetpts=PTS-STARTPTS[a0]; [0:v]trim=10.123:12.123,setpts=PTS-STARTPTS[v1]; [0:a]atrim=10.123:12.123,asetpts=PTS-STARTPTS[a1]; [v0][a0][v1][a1]concat=n=2:v=1:a=1[v][a]" -map "[v]" -c:v libx265 -crf […]

How can I fix VLC unmet dependencies ? I’m using Debian GNU/Linux 12 (bookworm). I’m looking to fix this unmet dependencies to install vlc. Here is what I do: sudo apt install vlc Reading package lists... Done Building dependency tree... Done Reading state information... Done vlc is already the newest […]

I am setting a custom number format as: -£* #,##0.00-;[Colour10]£* -#,##0.00_-;-£* ” -“??-;-@– All of the documentation I have found online uses [Color10], but that throws an error: >”Microsoft Excel cannot use the number format you’ve typed. Try using one of the built-in number formats. For more information about custom […]

My wife is a teacher and her parents surprised her with a new PC (Windows 11) to do her school work on. When the tech installed it, he suggested she use an authenticator to sign into the PC cause it would make it more secure since she would be working […]