Hi John, On Mon, Jul 29, 2024 at 12:46:43PM -0700, John Conover wrote: > > I need to use Debian 11 for about an additional 6 months, (its a > very complicated system.) > > Current Debian 11 LTS: > > deb http://deb.debian.org/debian/ bullseye main contrib non-free > deb-src http://deb.debian.org/debian/ bullseye main contrib non-free > > deb https://deb.debian.org/debian-security bullseye-security main contrib > deb-src https://deb.debian.org/debian-security bullseye-security main > contrib > > Note that if you already follow security.debian.org (and you > should), this should mostly be a noop. In other words, Debian LTS > reuses the same mirror infrastructure as the regular release team, > it's just a responsibility handover. > > My Debian 11 LTS is current configuration: > > deb http://deb.debian.org/debian/ bullseye main contrib non-free > deb-src http://deb.debian.org/debian/ bullseye main > > deb http://security.debian.org/debian-security bullseye-security main > deb-src http://security.debian.org/debian-security bullseye-security main > > Any compatibility advice would greatly appreciated, > Your question is not clear. Are these two different configurations for two different systems? The main "problem" that I see with the second one is that it includes the "contrib non-free" components in the first archive source (bullseye), but not in the second (bullseye-security). While there tend to be very few security fixes for contrib and non-free (for a variety of reasons) there are some on occasion. You might consider adding "contrib non-free" there just to make sure that you are covered.
Apart from that, you look like you are configured properly and should be able to use bullseye until the end of its LTS support period (2026-08-31) [0]. Regards, -Roberto [0] https://wiki.debian.org/LTS -- Roberto C. Sánchez
