On Mon 27 May 2024 at 14:02:47 (-0400), Stefan Monnier wrote: > >> > # apt install -t=bookworm db-util db5.3-util libc-bin libc-dev-bin > >> > >> I can never remember exactly what `-t` really does, but I suspect you'll > >> need things like > >> > >> apt install libc-bin/bookworm > > > > To install a single backported (or other release) package, > > apt-get install packagename/releasename > > > > and to install a backported package plus dependencies which > > are also from that specific release, use > > apt-get -t releasename packagename > > But that's not the whole story of what `-t` does since the above does > not explain why his attempt to use `-t` to downgrade some packages > resulted in `apt` saying "<blabla> is already the newest version".
Neither syntax will specify a newer version for plain "install" to install or upgrade. Cheers, David.