GNOME Desktop Background Picture of the Day
Unlike KDE Plasma, GNOME does not have a native feature to replace the desktop background with a 'picture of the day'. This is the shell script that I use to fill that gap.
How to recover files from a CD-ROM or DVD that seems unreadable
The disk (carefully cleaned) is not mounted automatically, nor is it possible to mount it by hand. The disk spins 'in aeternum' in the drive and the kernel spits out ugly things.
Free public DNS (with DoH, DoT and so on)
The best free and public DNS, including from Google, Quad9, OpenDNS, and Cloudflare. With DNS over HTTPS, over TLS and other secure protocols.
Details to consider when creating BIMI logos
The logo to be displayed must be in SVG format. The specific SVG profile used by BIMI is defined as SVG Portable/Secure (SVG P/S). It is a profile of the SVG Tiny 1.2 format standardized by the World Wide Web Consortium (W3C).
Before installing VMware Workstation Player 16 on Debian
Dependencies of VMware Workstation Player 16 on Debian.
Android storage and shared folders in Dolphin
Don't worry if your mobile storage drives (MTP) or SMB/CIFS shared folders (Samba) don't show up in the 'Network' section of KDE Plasma's Dolphin file manager.