-README - CUPS v2.2.5 - 2017-10-12
+README - CUPS v2.3.0 - 2019-05-24
=================================
Looking for compile instructions? Read the file `INSTALL.md` instead...
Zebra printers. Many more drivers are available online and (in some cases) on
the driver CD-ROM that came with your printer.
-CUPS is licensed under the GNU General Public License and GNU Library General
-Public License versions 2. See the file "LICENSE.txt" for more information.
+CUPS is licensed under the Apache License Version 2.0. See the file
+"LICENSE" for more information.
READING THE DOCUMENTATION
-------------------------
Once you have installed the software you can access the documentation (and a
-bunch of other stuff) online at:
-
- http://localhost:631/
+bunch of other stuff) online at <http://localhost:631/>.
If you're having trouble getting that far, the documentation is located under
-the `doc/help` directory.
+the `doc/help` and `man` directories.
Please read the documentation before asking questions.
GETTING SUPPORT AND OTHER RESOURCES
-----------------------------------
-If you have problems, **read the documentation first!** We also provide two mailing
-lists which are available at:
-
- https://lists.cups.org/mailman/listinfo
+If you have problems, *read the documentation first!* We also provide two
+mailing lists which are available at <https://lists.cups.org/mailman/listinfo>.
See the CUPS web site at <https://www.cups.org/> for other resources.
------------------------------------------------
CUPS includes a web-based administration tool that allows you to manage
-printers, classes, and jobs on your server. Open the following URL in your
-browser to access the printer administration tools:
-
- http://localhost:631/admin/
+printers, classes, and jobs on your server. Open <http://localhost:631/admin/>
+in your browser to access the printer administration tools:
*Do not* use the hostname for your machine - it will not work with the default
CUPS configuration. To enable administration access on other addresses, check
the `Allow Remote Administration` box and click on the `Change Settings button.
You will be asked for the administration password (root or any other user in the
-`sys/system/root/admin/lpadmin` group on your system) when performing any
+sys/system/root/admin/lpadmin group on your system) when performing any
administrative function.
SETTING UP PRINTER QUEUES FROM THE COMMAND-LINE
-----------------------------------------------
-CUPS works best with PPD (PostScript Printer Description) files. In a pinch you
-can also use System V style printer interface scripts.
+CUPS currently uses PPD (PostScript Printer Description) files that describe
+printer capabilities and driver programs needed for each printer. The
+`everywhere` PPD is used for nearly all modern networks printers sold since
+about 2009. For example, the following command creates a print queue for a
+printer at address 11.22.33.44:
-CUPS includes several sample PPD files you can use:
+ lpadmin -p printername -E -v ipp://11.22.33.44/ipp/print -m everywhere
+
+CUPS also includes several sample PPD files you can use for "legacy" printers:
Driver PPD Name
----------------------------- ------------------------------
Zebra EPL2 Label Printer drv:///sample.drv/zebraep2.ppd
Zebra ZPL Label Printer drv:///sample.drv/zebra.ppd
-Run the `lpinfo -m` command to list the available drivers:
+You can run the `lpinfo -m` command to list all of the available drivers:
lpinfo -m
lpadmin -p printername -E -v device-uri -m ppd-name
-Network printers typically use `socket` or `lpd` URIs:
+Current network printers typically use `ipp` or `ipps` URIS:
+
+ lpadmin -p printername -E -v ipp://11.22.33.44/ipp/print -m everywhere
+ lpadmin -p printername -E -v ipps://11.22.33.44/ipp/print -m everywhere
+
+Older network printers typically use `socket` or `lpd` URIs:
lpadmin -p printername -E -v socket://11.22.33.44 -m ppd-name
lpadmin -p printername -E -v lpd://11.22.33.44/ -m ppd-name
The sample drivers provide basic printing capabilities, but generally do not
-exercise the full potential of the printers or CUPS.
-
-CUPS also supports IPP Everywhere printers using the "everywhere" model, for
-example:
-
- lpadmin -p printername -E -v ipp://11.22.33.44/ipp/print -m everywhere
+exercise the full potential of the printers or CUPS. Other drivers provide
+greater printing capabilities.
PRINTING FILES
LEGAL STUFF
-----------
-CUPS is copyright © 2007-2017 by Apple Inc. CUPS and the CUPS logo are
-trademarks of Apple Inc.
+Copyright © 2007-2019 by Apple Inc.
+Copyright © 1997-2007 by Easy Software Products.
-The MD5 Digest code is Copyright 1999 Aladdin Enterprises.
+CUPS is provided under the terms of the Apache License, Version 2.0. A copy of
+this license can be found in the file `LICENSE`. Additional legal information
+is provided in the file `NOTICE`.
-CUPS is provided under the terms of version 2 of the GNU General Public License
-and GNU Library General Public License. This program is distributed in the hope
-that it will be useful, but WITHOUT ANY WARRANTY; without even the implied
-warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
-"doc/help/license.html" or "LICENSE.txt" files for more information.
+Unless required by applicable law or agreed to in writing, software distributed
+under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
+CONDITIONS OF ANY KIND, either express or implied. See the License for the
+specific language governing permissions and limitations under the License.
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