On Sun 19 Jun 2022, at 23:01, The Wanderer <wande...@fastmail.fm> wrote: > On 2022-06-19 at 15:47, Brian wrote: > >> On Sun 19 Jun 2022 at 14:54:58 -0400, The Wanderer wrote: >> >>> On 2022-06-19 at 14:50, Brian wrote: > >>>> What does being "precious" involve? >>> >>> I'm less certain about this, but my guess is that it means that >>> CUPS insists on having these detected printers listed as available, >>> rather than permitting them to be deleted from the list of >>> available printers and having them remain that way. >> >> You (or the OP) would have to say what is meant by "delete". CUPS >> essentially *discover* printers. It is why it exists. Is that not >> wanted? > > I understand the reason for CUPS' existence to be, not *discovering > printers*, but *facilitating the ability to print*. That could involve > discovering printers and presenting them as available, or it could > involve only presenting as available a list of printers that have been > entered into CUPS or otherwise set up in CUPS by some more manual means. > (Among perhaps other possibilities.) > > Certainly at my workplace I understand that our Macs use CUPS for > (network) printing, but at least at one point in our history (within the > past decade), we had to go in and define each printer by IP address in > CUPS on each Mac (or on the central machine which would be replicated to > the others). >
> I can certainly see it as being reasonable to want to be able to have > CUPS perform printer discovery *on request*, and manually choose which > of the discovered printers to add to the list of ones that will be > remembered and shown as available when printing, but not have CUPS run > discovery *automatically* and *automatically* add every discovered > printer to that list. (I don't know with any confidence whether CUPS > does the latter; I don't run it in enough environments with enough > different available printers to have been able to make an assessment. > However, I do have the impression that it may.) I think /etc/apt/cups-browsed.conf provides flexibility here - notes explain the options but not what the defaults are. Having purged and reinstalled in my case, all lines in this file are comments. man cups-browsed isn't helpful in that respect either. Gareth > > -- > The Wanderer > > The reasonable man adapts himself to the world; the unreasonable one > persists in trying to adapt the world to himself. Therefore all > progress depends on the unreasonable man. -- George Bernard Shaw > > > Attachments: > * signature.asc
