On Tue 17 Aug 2021 at 13:42:25 -0400, Greg Wooledge wrote: > On Tue, Aug 17, 2021 at 06:36:15PM +0100, Brian wrote: > > Comment out *everything* in sources.list and then edit to have only > > > > deb http://deb.debian.org/debian/ stretch main contrib non-free > > > > Update and upgrade. > > ... and then make all the changes necessary for stretch. > > > Chande stretch to buster and do the same again. > > ... and then make all the changes necessary for buster. > > > Then edit buster to bullseye and repeat. > > ... and then make all the changes necessary for bullseye. > > If you're wondering what you need to change in each release:
Fair enough. I have never been in a situation like this. The OP has a habit of engineering such. -- Brian.