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.)
SanDisk 1TB SSD Plus, Internal Solid State Drive - SDSSDA-1T00-G26
$74.99
Western Digital 1TB WD Blue PC Desktop 3.5'' Internal CMR Hard Drive - WD10EARZ
$44.99
Western Digital 1TB WD Gold Enterprise Class SATA Internal HDD - WD1005FBYZ
$84.99
Lenovo SATA Solid State Internal Hard Drive ST800, 128GB/256GB/512GB/1TB, NEW
$32.99
Netac 1TB 2TB 512GB Internal SSD 2.5'' SATA III 6Gb/s Solid State Drive lot
$23.99
Patriot P210 128GB 256GB 512GB 1TB 2TB 2.5" SATA 3 6GB/s Internal SSD PC/MAC Lot
$14.99
Crucial - P3 Plus 1TB Internal SSD PCIe Gen 4 x4 NVMe
$69.99
1TB HDD/SSD 2.5" SATA Hard Drive for Laptop with Win 10/Win 11 Pro Pre-installed
$29.95
1TB/2TB USB 3.0 Flash Drive Thumb U Disk Memory Stick Pen PC Laptop Storage US
$26.29
Fanxiang 2TB 1TB SSD M.2 For PS5 PCIe 4.0 NVMe Gaming Internal Solid State Drive
$239.98