Re: CUPS broadcasting print queue availability

Hi Ron,


My server has a print queue that looks like this:
$ lpstat -v
device for Dell_3100cn: socket://192.168.1.11
device for Dell_3100cn@haggis: socket://192.168.1.11
device for PDF: cups-pdf:/

The server's /etc/cups/cupsd.conf looks like:
Browsing On
BrowseOrder allow,deny
BrowseAllow 192.168.1.0/24
BrowseAddress 192.168.1.255
BrowseLocalProtocols CUPS dnssd
DefaultAuthType Basic
<Location />
Allow from 192.168.1.*
Order allow,deny
</Location>

I created this on the client:
$ cat /etc/cups/cups.conf
ServerName haggis
I think, you should rename this file to "/etc/cups/client.conf" - that's
what it is called on my machines;-)


Shouldn't cups on the server (haggis) be broadcasting network messages
announcing the availability of it's print queues,
Yes, I think with your configuration it should...

and shouldn't some program from cups-client be listening?

Or do even client computers need the cups server package?
Two times: No ;-)

Well, there are 3 possibilites:

1) You install on the client a full cups-server. Then - if you activate
Browsing - your client will automagically know about all cups-Servers
in the Network - and at the same time about all printers which are
available.

2) You install on the client a full cups-server. Then, on the client,
using either the web-interface (localhost:631) or the
commandline-interface (lpadmin) you add all printers which you want
to use. Then, Browsing is needed to automagically detect additional
servers in the network or newly connected printers - those printers,
which you added "by hand" are independent of browsing.

3) you install on the client only the cups-client, and add in the file
/etc/cups/client.conf (It is "client.conf", NOT "cups.conf"!!!!!!!)
the parameter "ServerName haggis". With that, the client will ONLY
use this cups-Server - and whenever the client wants to know
something (what printers do exists, are the working, paper jam, ...),
the client will ask the server. So: in this configuration, it is
irrelevant whether Browsing is activated or not... The cups-client
packages do NOT contain a daemon which listens all the time:-)

However, always important are of course the access rights on the server;
and you have to "share" the printers on the server - in order to allow
clients to use them...


HTH,

Axel


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