BTW, for anyone who wants to experiment with adding a wide variety of .deb repositories (that is, for anyone who makes assiduous backups):
https://sites.google.com/site/mydebiansourceslist/Home
I remember trading info on obscure .deb repos with Craig years before he started this page. Now I find he has certainly the most informative single resource for .debs on the net. Also, I am certain Craig would be interested to here of more repos. (Knoppix is on there.)
Dell OptiPlex 3060 MICRO DESKTOP PC COMPUTER I5 8TH GEN UP TO 32GB UP TO 2TB M.2
$295.00
Dell 14" TOUCHSCREN Laptop 8th Gen Core i5 16GB RAM 512GB SSD/256 Bluetooth W11
$199.00
Dell 15.6" NVIDIA Gaming Laptop - Intel Quad Core i7 64GB RAM 2TB SSD Windows 11
$446.00
CHUWI CoreBox X Windows 10 Mini PC Intel Core i7 Desktop 8+256GB SSD 4K Decoding
$130.49
Intel Xeon E5-2667 V2 LGA 2011 3.3GHz 8 Core 130W 25MB 8GT/s CPU Processor
$14.99
AMD Ryzen 7 7800X3D 8-Core - 16-Thread 4.2 GHz (5.0 GHz Max Boost) Socket A...
$304.95
AMD Ryzen 7 5800X3D Processor (3.4GHz, 8 Cores, AM4) - 100-100000651WOF
$259.99
HP - 17.3" Full HD Laptop - Intel Core i3 - 8GB Memory - 256GB SSD - Natural ...
$369.99
New HP 24" All In One Desktop Computer 11th Gen i3 Up To 32GB RAM 2TB SSD Win 11
$409.99
Lenovo IdeaCentre 3 07IRB8 Desktop Intel Core i5-13400 16GB 512GB SSD W11H
$349.99