93 lines
6.4 KiB
HTML
93 lines
6.4 KiB
HTML
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<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE html
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PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<html lang="en-us" xml:lang="en-us">
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<head>
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<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
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<meta name="security" content="public" />
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<meta name="Robots" content="index,follow" />
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<meta http-equiv="PICS-Label" content='(PICS-1.1 "http://www.icra.org/ratingsv02.html" l gen true r (cz 1 lz 1 nz 1 oz 1 vz 1) "http://www.rsac.org/ratingsv01.html" l gen true r (n 0 s 0 v 0 l 0) "http://www.classify.org/safesurf/" l gen true r (SS~~000 1))' />
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<meta name="DC.Type" content="task" />
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<meta name="DC.Title" content="Starting the Virtual Network Computing server" />
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<meta name="DC.Relation" scheme="URI" content="nawtinstallpre14.htm" />
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<meta name="DC.Relation" scheme="URI" content="nawtinstallfixes.htm" />
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<meta name="DC.Relation" scheme="URI" content="nawtprpqinstall.htm" />
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<meta name="DC.Relation" scheme="URI" content="nawtenvironmentvariables.htm" />
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<meta name="DC.Relation" scheme="URI" content="nawtsystemprops.htm" />
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<meta name="DC.Relation" scheme="URI" content="nawtverifyinstall.htm" />
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<meta name="DC.Relation" scheme="URI" content="nawticewmwindowmgr.htm" />
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<meta name="DC.Relation" scheme="URI" content="nawtvncviewer.htm" />
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<meta name="copyright" content="(C) Copyright IBM Corporation 2006" />
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<meta name="DC.Rights.Owner" content="(C) Copyright IBM Corporation 2006" />
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<meta name="DC.Format" content="XHTML" />
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<meta name="DC.Identifier" content="nawtstartvncserver" />
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<meta name="DC.Language" content="en-us" />
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<!-- All rights reserved. Licensed Materials Property of IBM -->
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<!-- US Government Users Restricted Rights -->
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<!-- Use, duplication or disclosure restricted by -->
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<!-- GSA ADP Schedule Contract with IBM Corp. -->
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<link rel="stylesheet" type="text/css" href="./ibmdita.css" />
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<link rel="stylesheet" type="text/css" href="./ic.css" />
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<title>Starting the Virtual Network Computing server</title>
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</head>
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<body id="nawtstartvncserver"><a name="nawtstartvncserver"><!-- --></a>
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<!-- Java sync-link --><script language="Javascript" src="../rzahg/synch.js" type="text/javascript"></script>
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<h1 class="topictitle1">Starting the Virtual Network Computing server</h1>
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<div><div class="section"><p>To start the Virtual Network Computing (VNC) server, type the
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following command at the command line and press <strong>ENTER</strong>:</p>
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<pre> CALL PGM(QSYS/QP2SHELL) PARM('/QOpenSys/QIBM/ProdData/DeveloperTools/vnc/vncserver_java' ':<em>n</em>')</pre>
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<p>where <em>n</em> is the display number that you want
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to use. Display numbers can be any integer in the range 1-99.</p>
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<p><strong>Note:</strong> Starting
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the VNC server displays a message that identifies the iSeries™ system
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name and display number, for example, "New 'X'desktop is <em>systemname:1</em>."
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Remember or write down the display number, because you use that value to
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configure environment variables.</p>
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<p>When you have more than one VNC server
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running at the same time, each VNC server requires a unique display number.
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Explicitly specifying the display value when you start the VNC server makes
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it easy to configure the DISPLAY environment variable later. You must configure
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environment variables every time you want to run Java™ with
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NAWT.</p>
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<p>However, when you do not want to specify the display number, simply
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remove <kbd class="userinput">':n'</kbd> from the previous command and the vncserver_java
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program finds an available display.</p>
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<p><strong>The .Xauthority file</strong></p>
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<p> The
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process of starting the VNC server either creates a new .Xauthority file
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or modifies an existing .Xauthority file. VNC server authorization uses
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the .Xauthority file, which contains encrypted key information, to prevent
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applications of other users from intercepting your X server requests. Secure
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communications between the Java virtual machine (JVM) and VNC <strong>REQUIRES</strong> that
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both the JVM and VNC have access to the encrypted key information in the
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.Xauthority file. </p>
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<div class="p">The .Xauthority file belongs to the profile that
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started VNC. The simplest way to allow both the JVM and the VNC server
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to share access to the .Xauthority file is to run the VNC server and the
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JVM under the same user profile. If you cannot run both the VNC server
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and the JVM under the same user profile, you can configure the XAUTHORITY
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environment variable to point to the correct .Xauthority file. For more
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information about secure communications with NAWT, see the following pages: <ul><li><a href="nawtenvironmentvariables.htm">Configuring NAWT environment variables</a></li>
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<li><a href="nawtwas.htm">Tips for using NAWT with WebSphere<sup>®</sup> Application Server</a></li>
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</ul>
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</div>
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</div>
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</div>
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<div>
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<div class="familylinks">
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<div class="parentlink"><strong>Parent topic:</strong> <a href="nawtinstallpre14.htm" title="To install Native Abstract Windowing Toolkit (NAWT) for Java 2 Software Development Kit (J2SDK), version 1.3, complete the following tasks.">Installing and using NAWT with J2SDK, version 1.3</a></div>
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</div>
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<div class="relconcepts"><strong>Related concepts</strong><br />
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<div><a href="nawtprpqinstall.htm" title="To run Native Abstract Windowing Toolkit (NAWT), you need to install the iSeries Tools for Developers PRPQ (5799PTL). If you do not have the PRPQ, you must order it.">Installing iSeries Tools for Developers PRPQ</a></div>
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<div><a href="nawtenvironmentvariables.htm" title="Any time that you run Java with NAWT, you must set environment variables that tell Java the system name, the display number, and where to find each X server and the associated .Xauthority file.">Configuring NAWT environment variables</a></div>
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</div>
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<div class="reltasks"><strong>Related tasks</strong><br />
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<div><a href="nawtinstallfixes.htm" title="To install NAWT, you need to ensure that you install the software fix that includes the appropriate NAWT support for the version of Java 2 Software Development Kit (J2SDK), Standard Edition that you want to use.">Install NAWT software fixes</a></div>
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<div><a href="nawtsystemprops.htm">Configuring Java system properties</a></div>
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<div><a href="nawtverifyinstall.htm">Verifying your NAWT installation</a></div>
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<div><a href="nawticewmwindowmgr.htm">Configuring the iceWM window manager</a></div>
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<div><a href="nawtvncviewer.htm">Using a VNCviewer or Web browser</a></div>
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</div>
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</div>
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</body>
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</html>
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