> You're missing the "bullseye-updates" repository, but it's optional. If > the lines above were the only lines in your sources.list, you would be > doing it correctly. > > Bullseye-backports is also optional, and there probably aren't any yet. > And even when there are some, there's no guarantee that you'll need them. > Personally, I prefer to leave the -backports out of it unless and until > I actually need one. But if you want to bring it in proactively, that's > acceptable. > > > deb http://deb.debian.org/debian/ testing main contrib non-free > > deb-src http://deb.debian.org/debian/ testing main contrib non-free > > *THIS*, however, is wrong. > > With testing lines added to your sources.list, you are not running stable > (bullseye) any longer. You are still running testing, just with a > fallback option to retrieve bullseye packages as well. > > > deb http://deb.debian.org/debian/ experimental main contrib non-free > > deb-src http://deb.debian.org/debian/ experimental main contrib non-free > > And this is just stupid. Remove this immediately. >
Ok I added bullseye-updates now, thanks. What priority should I apply to bullseye-update in preferences? With respect to having testing and experimental in the sources.list, I had testing prioritized at 250 and experimental at 1. The idea was that if some new package came along that I wanted to mess with, I could install it easily but if the there was a package belonging to bullseye, it would be installed there by priority. I am vigilant not to install things that contain dependencies that might update my entire system to, say, testing. Given that, are these lines still insane? Is there some way to tell apt to ask me if I want to install something from a particular repository, for example, something I want to test. I would like to have apt tell me "that's not in one of these repositories but it's in one of these other repositories you have in sources.list, ok to install it from there?" Something like a warn-me flag? Or something that shows me what repository I'm about to install something from? I was sort of hoping that's what setting a priority <500 would do. Here's an updated version now of what I have, though I would uncomment testing and experimental if I understand correctly. Wondering if I should also add unstable in there at an equally low priority. ----/etc/apt/sources.list---- deb http://security.debian.org/debian-security/ bullseye-security main contrib non-free deb-src http://security.debian.org/debian-security/ bullseye-security main contrib non-free deb http://deb.debian.org/debian/ bullseye-updates main contrib non-free deb-src http://deb.debian.org/debian/ bullseye-updates main contrib non-free deb http://deb.debian.org/debian/ bullseye-backports main contrib non-free deb-src http://deb.debian.org/debian/ bullseye-backports main contrib non-free deb http://deb.debian.org/debian/ bullseye main contrib non-free deb-src http://deb.debian.org/debian/ bullseye main contrib non-free #deb http://deb.debian.org/debian/ testing main contrib non-free #deb-src http://deb.debian.org/debian/ testing main contrib non-free #deb http://deb.debian.org/debian/ experimental main contrib non-free #deb-src http://deb.debian.org/debian/ experimental main contrib non-free ----/etc/apt/preferences---- Package: * Pin: release a=bullseye-security Pin-Priority: 1000 Package: * Pin: release a=bullseye-updates Pin-Priority: 950 Package: * Pin: release a=bullseye-backports Pin-Priority: 950 Package: * Pin: release a=bullseye Pin-Priority: 900 Package: * Pin: release a=testing Pin-Priority: 250 Package: * Pin: release a=experimental Pin-Priority: 1
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