http://muwlgr.dreamwidth.org/
кто перешёл туда же, дружите

muwlgr | Up/Down/Crossgrading Ubuntu 24.04 Noble and Debian 13 Trixie to Debian 12 Bookworm

muwlgr.dreamwidth.org

Also please have a look at this intermediate research
Stripping down Ubuntu 24.04 before upgrading it to Debian

What should you do if you had accidentally upgraded to Ubuntu 24.04 and found that you actively dislike it ?
I made a script to upgrade it to Debian 13 Trixie which is now in Testing stage
https://muwlgr.dreamwidth.org/52552.html

https://muwlgr.dreamwidth.org/52430.html

https://muwlgr.dreamwidth.org/52029.html

https://muwlgr.dreamwidth.org/51928.html

https://muwlgr.dreamwidth.org/51689.html

https://muwlgr.dreamwidth.org/51403.html

https://muwlgr.dreamwidth.org/51150.html

Once I noticed that 4875 miles equals to 7845 kilometers.
Surprised by this fact, I decided to ...