On Tue, Sep 26, 2017 at 8:57 AM, Brian <a...@cityscape.co.uk> wrote: > On Tue 26 Sep 2017 at 12:08:02 +0000, Curt wrote: > > > On 2017-09-26, Brian <a...@cityscape.co.uk> wrote: > > > On Tue 26 Sep 2017 at 00:15:31 -0500, Kent West wrote: > > > > > >> So when I go to select a printer in Firefox, there are many > autodiscovered > > >> printers to choose from. I don't want any of them in my list. How do > I turn > > >> this off? > > > > > > See later. But first stop or purge cups-browsed. > > > > > >> I found the two "browse" options in /etc/cups/cupsd.conf, but they > make no > > >> difference. I found /etc/cups/cups-browsed, but killing that daemon > makes > > >> no difference. In fact, killing CUPS altogether makes no difference > (except > > >> my desired printer then goes away), so obviously this isn't a CUPS > thing. > > > > > > Correct. >
If this isn't a CUPS thing, what's the value in stopping or purging cups-browsed? > > > > > >> Then I discovered Avahi (and had to go into learning mode - > apparently this > > >> is also known as "Bonjour" and "Rendevous" and "ZeroConf", depending > on OS > > >> and version and situation). The most obvious tweaks in > > >> /"etc/avahi/avahi-daemon.conf", the two "disable-publishing..." > options, > > >> don't do anything. > > > > > > Indeed not. They affect publishing, not discovery. > As in "publishing to other computers on the network", not as in "publishing to applications, like Firefox, on this computer"? I don't mind Avahi discovering printers; I just don't want it "publishing" what it found to Firefox. Apparently I misunderstood the scope of the word "publish". > >> So, any one know how to tell Avahi to not publish found printers to > > >> Firefox's print dialog? > > > > > > All GTK applications can use avahi-daemon for printer discovery. It is > > > GTK you want to control, not avahi-daemon. gtk-print-backends is the > > > relevant property to use. Its default value is "file,cups". > > > > > > I think Firefox uses GTK3. In /etc/gtk-3.0 or ~/.gtk-3.0 you want to > > > create the file settings.ini and see what the contents > > > > > > [Settings] > > > gtk-print-backends=file > > > > > > do for you. (The file name and format is different for GTK2). > When I do this, *all* my printers disappear from the Firefox dialog, including the one I've got in CUPS, which shows up in the CUPS web dialog (localhost:631) and in /etc/cups/printers.conf. > > > > Some anonymous joe on the internet said you can edit the [server] > > section of the /etc/avahi/avahi-daemon.conf file and uncomment the > > 'enable-dbus=yes' line, changing that line to 'enable-dbus=no' and this > > will disable printer discovery (while retaining dns functionality). > > > > Whether this works or not, or how perilously or ridiculously close this > > edit is to just turning the damned avahi thing off altogether, I do not > > know. > > I tried this and the GTK print dialog took ages to come up. I'd also be > concerned about other possible knock-on effects. Why "damned avahi > thing..."? You make it sound evil. > When I tried this, it solved my problem, and I don't notice any delay issues. -- Kent West <")))>< Westing Peacefully - http://kentwest.blogspot.com
