Novell LINUX ENTERPRISE DESKTOP 10 - IPRINT CLIENT Manuale utente

SUSE

www.novell.com

novdocx (ENU) 01 February 2006

SUSE Linux Enterprise Desktop iPrint Client User Guide

Linux Enterprise Desktop

March 2006

IPRINT CLIENT USER GUIDE

novdocx (ENU) 01 February 2006

Legal Notices

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novdocx (ENU) 01 February 2006

Preface

This manual is designed to introduce you to the iPrint Linux* Client include with SUSE®Linux

Enterprise Desktop and show you how to configure printing on your desktop.

This guide contains information about the following:

•“Understanding iPrint” on page 7

•“Installing the iPrint Linux Client” on page 9

•“Installing Printers” on page 11

•“Removing iPrint Printers” on page 11

•“Using iprntcmd” on page 12

•“Uninstalling the iPrint Client” on page 14

Feedback

We want to hear your comments and suggestions about this manual and other documentation

included with this product. Please use the User Comments feature at the bottom of each page of the

online documentation, or go to www.novell.com/documentation/feedback.html and enter your

comments there.

Additional Documentation

For information about installing and administering SUSE Linux Enterprise Desktop, see the SUSE

Linux Enterprise Desktop Deployment Guide (http://www.novell.com/documentation/nld/

nld_deployment/data/front.html).

Documentation Conventions

In Novell®documentation, a greater-than symbol (>) is used to separate actions within a step and

items in a cross-reference path.

A trademark symbol (®, TM, etc.) denotes a Novell trademark. An asterisk (*) denotes a third-party

trademark.

When a single pathname can be written with a backslash for some platforms or a forward slash for

other platforms, the pathname is presented with a backslash. Users of platforms that require a

forward slash, such as Linux or UNIX*, should use forward slashes as required by your software.

6SUSE Linux Enterprise Desktop iPrint Client User Guide

novdocx (ENU) 01 February 2006

Setting Up iPrint on Client Workstations

novdocx (ENU) 01 February 2006

Setting Up iPrint on Client

Workstations

When installing SUSE®Linux Enterprise Desktop (SLED), you can choose to install the iPrint

Linux Client. The iPrint Client lets you easily install printers using your Web browser. The

following sections help you understand and use the iPrint client:

•Section 1.1, “Understanding iPrint,” on page 7

•Section 1.2, “Understanding Security,” on page 8

•Section 1.3, “Installing the iPrint Linux Client,” on page 9

•Section 1.4, “Installing Printers,” on page 11

•Section 1.5, “Removing iPrint Printers,” on page 11

•Section 1.6, “Managing Print Jobs from the Client,” on page 12

•Section 1.7, “Using iprntcmd,” on page 12

•Section 1.8, “Uninstalling the iPrint Client,” on page 14

1.1 Understanding iPrint

The iPrint system consists of two pieces: the iPrint Manager that runs on the server and the iPrint

Client that runs on the workstation.

1.1.1 iPrint Manager

The iPrint Manager does the following:

• Spools print jobs from clients

• Sends print jobs to printers

• Maintains printer status information

• Manages the print database

• Maintains the iPrint Printer List page used to install and monitor printers

1.1.2 iPrint Client

The iPrint Client lets Linux workstations install iPrint printers and includes the following

components:

• Browser plug-in: The iPrint Client contains a browser plug-in for Mozilla*-based browsers.

This plug-in lets you install printers into CUPS using your Web browser.

• Console utility: The Linux iPrint client includes the iprntcmd utility that lets you install

printers, print test pages, and upload drivers to a driver store from a console prompt. For more

information, see Section 1.7, “Using iprntcmd,” on page 12.

• CUPS Integrator: The client integrates with the CUPS backend and uses the CUPS local

spooler to send print jobs to the Print Manager.

8SUSE Linux Enterprise Desktop iPrint Client User Guide

novdocx (ENU) 01 February 2006

•CASA:CASA (Common Authentication Services Adapter) is a separate package that you

install with the iPrint client to cache your username and password for secure printers. If you do

not access secure printers, then you do not need CASA.

Figure 1-1 Using iPrint

The following steps are taken when installing a printer and printing to it:

1. Using your Web browser, you access the iPrint Printers List or a custom map, as specified by

your administrator.

2. When you click a printer in the list or on a map, the iPrint plug-in creates the printer and installs

the associated PostScript* Printer Definition (PPD) file in CUPS. After a printer is installed,

you do not need to repeat this process for the same printer.

3. With the iPrint printer installed, you can print from any application as you normally would. The

printer appears as printer in your printer list. The application sends the print job to CUPS for

processing.

4. CUPS gives the print job to the iPrint backend, which sends it to the iPrint Manager. When the

printer is ready, the iPrint Manager sends the job to the printer.

1.2 Understanding Security

The Linux iPrint Client is packaged in two different, specialized installations that control access to

the workstation's print system. The following table explains the differences between the two clients.

Setting Up iPrint on Client Workstations 9

novdocx (ENU) 01 February 2006

The above clients do not affect installation of the iPrint Client, just access to the workstation print

system. To install the iPrint Client you still need root permissions. Also, these clients do not limit

printing capabilities.

IMPORTANT: To install the iPrint Client you need root permissions. To upload drivers from the

system, you need to be defined with lppasswd or know the root password; otherwise, when you

attempt to add drivers from the system, the driver list is blank. To define a user to be part of

lppasswd, you can use the following command:

lppasswd -a linux_user_account -g sys

For more information on the client installed on your SUSE Linux Enterprise Desktop workstation,

consult with your network administrator.

1.2.1 Printing to Secure printers

When installing a secure iPrint printer, you might be prompted twice for your username and

password. First you are prompted to provide your network credentials to verify that you have access

to the printer (it would be no use installing a printer that would not allow you to print). The second

prompt is for CUPS to ensure you have rights to install printers on the client machine. Each time you

perform a print operation with a secure printer, you are prompted for your username and password.

If you installed CASA (Common Authentication Services Adapter), your credentials are cached.

Printing to secure printers is supported only when you are logged in to the desktop. If for any reason

the CUPS iPrint backend cannot deliver the job to a secure printer, the job is requeued on the client

with a hold. You can then see the held job and release it after you log in to the desktop.

1.3 Installing the iPrint Linux Client

The following sections provide information about installing the iPrint Linux Client:

•Section 1.3.1, “Requirement,” on page 10

•Section 1.3.2, “Procedure,” on page 10

Client Filename Workstation Access Description

novell-iprint-xclient-sh-

release_date.i586.rpm

Security high. Limited

access to the print

system.

This client requires workstation users to

be defined with lppasswd to install,

delete, or administer printers on the

workstation. When performing one of

these print operations, the user is

challenged for a password.

novell-iprint-xclient-sl-

release_date.i586.rpm

Security low. Unlimited

access to the print

system.

This client allows all users of the

workstation to install, delete, or

administer printers and print jobs on the

workstation, including printers and print

jobs of other users. By default, the iPrint

Printer List Web page installs this rpm.

10 SUSE Linux Enterprise Desktop iPrint Client User Guide

novdocx (ENU) 01 February 2006

1.3.1 Requirement

In order for iPrint to work properly, your workstation needs to have a Mozilla-based browser

such as Firefox, which is included with SLED. If it is not already installed, KDE users should

use YaST to install Firefox.

1.3.2 Procedure

You can install the iPrint Client during SLED installation or using YaST after SLED is installed.

•“Installing during SLED Installation” on page 10

•“Installing after SLED Installation” on page 10

Installing during SLED Installation

Shortly after the installation program begins, you can choose to install the iPrint client using the

following steps. You can also install the client later using the YaST Control Center.

1After selecting your preferred desktop, scroll down the list of Installation Settings and click

Software.

2Click Detailed Selection.

3Change the Filter to Search, and search for iPrint,

4Select the iPrint Client you want installed.

For more information about the iPrint Linux Client, see Section 1.1.2, “iPrint Client,” on

page 7 or contact your network administrator.

5(Optional) Search for and select CASA (Common Authentication Service Adapter).

CASA retains your username and password for printers that require authentication.

6Click Accept.

Installing after SLED Installation

1Start YaST.

•GNOME:Click Computer > More Applications > System > YaST Control Center.

•KDE:Click the main menu button > System > YaST (Control Center).

2Search for iPrint.

3Select the iPrint Client you want installed.

For more information about the iPrint Linux Client, see Section 1.1.2, “iPrint Client,” on

page 7 or contact your network administrator.

4(Optional) Search for and select CASA (Common Authentication Service Adapter).

CASA retains your username and password for printers that require authentication.

5Click Accept.

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