On 2020-07-25 16:25 -0400, The Wanderer wrote: > On 2020-07-25 at 16:02, to...@tuxteam.de wrote: > >> On Sat, Jul 25, 2020 at 07:47:01PM +0000, Rodolfo Medina wrote: >> >>> Hi all... >>> >>> Please what do those occurrences of `<none>' mean in /var/log/dpgk.log just >>> on >>> the right next to some (and some not) of packages names? >> >> You mean like this: >> >> 2019-10-18 17:09:25 install gcc-8-base:amd64 <none> 8.3.0-6 >> >> I don't know for sure, But grepping around in my logs shows a version >> number in that place, when there's no '<none>'. So my hunch would be >> that it is the prior installed version (when there was one) or <none> >> when there was --uh-- none. > > On mine, I also note that the lines with <none> in column 5 have > 'install' in column 3, whereas the ones with a version number in column > 5 in that column have 'upgrade' in column 3. This seems to back up that > interpretation. > > My guess would be that this is done just to keep the number of columns > per line equal between the install and upgrade cases, most likely > because it makes translating this into a table by columns easier. > > I haven't checked the source, and offhand don't know of any obvious > non-source documentation to check, however.
It's mentioned in the dpkg manpage, search for the --log option there. Cheers, Sven