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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Hi Chris,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Thanks for the info.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">I’ve checked my configuration and I have the following options set in my node.conf file.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">ENABLE_SESSION_SHADOWING_AUTHORIZATION=0<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">ENABLE_INTERACTIVE_SESSION_SHADOWING=1<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Permissions on my nxshadowacl file are : -rwxr-xr-x 1 root root 143 May 22 19:55 nxshadowacl<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">The contents of my nxshadowacl is :
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">#!/bin/sh<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"># Deny all sessions to be shadowed by anyone besides the same user.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"># exit 1<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"># Allow all sessions to be shadowed by anyone.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">exit 0<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">As I just have exit 0 in my nxshadowacl, shadowing should work between any two users.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">When I shadow any session (same user as well other users) I get an error. The error message is:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Error: Aborting session with 'Server is already active for display XXXX<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> If this server is no longer running, remove /tmp/.XXXXX-lock<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"> and start again'.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Session: Aborting session at 'Tue May 28 10:15:57 2013'.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Session: Session aborted at 'Tue May 28 10:15:57 2013'.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">I’m rather stumped as to what could be causing the problem. Any other thoughts?<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Any help much appreciated.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D">Len<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><b><span lang="EN-US" style="font-size:10.0pt;font-family:"Tahoma","sans-serif"">From:</span></b><span lang="EN-US" style="font-size:10.0pt;font-family:"Tahoma","sans-serif""> freenx-knx-bounces@kde.org [mailto:freenx-knx-bounces@kde.org]
<b>On Behalf Of </b>chris@ccburton.com<br>
<b>Sent:</b> 22 May 2013 18:10<br>
<b>To:</b> User Support for FreeNX Server and kNX Client<br>
<b>Subject:</b> Re: [FreeNX-kNX] Shadow Session fails to attach<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><br>
<b><span style="font-size:7.5pt;font-family:"Arial","sans-serif"">Ling-Yan Lau <<a href="mailto:ll220@medschl.cam.ac.uk">ll220@medschl.cam.ac.uk</a>></span></b><span style="font-size:7.5pt;font-family:"Arial","sans-serif"">
</span><br>
<span style="font-size:7.5pt;font-family:"Arial","sans-serif"">Sent by: <a href="mailto:freenx-knx-bounces@kde.org">
freenx-knx-bounces@kde.org</a></span> <o:p></o:p></p>
<p><span style="font-size:7.5pt;font-family:"Arial","sans-serif"">22/05/2013 14:46</span>
<o:p></o:p></p>
<p style="margin-bottom:12.0pt"><span style="font-size:7.5pt;font-family:"Arial","sans-serif"">Please respond to User Support for FreeNX Server and kNX Client <<a href="mailto:freenx-knx@kde.org">freenx-knx@kde.org</a>></span>
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<span style="font-size:10.0pt;font-family:"Arial","sans-serif"">Hi everyone,</span>
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<span style="font-size:10.0pt;font-family:"Arial","sans-serif""> </span> <br>
<span style="font-size:10.0pt;font-family:"Arial","sans-serif"">I have a problem with my FreeNX server in that everything works find except I can’t get shadowing to work.</span>
<br>
<span style="font-size:10.0pt;font-family:"Arial","sans-serif""> </span> <br>
<span style="font-size:10.0pt;font-family:"Arial","sans-serif"">My setup is as follows:</span>
<br>
<span style="font-size:10.0pt;font-family:"Arial","sans-serif""> </span> <br>
<span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:red">[SNIP]</span>
<br>
<br>
<span style="font-size:10.0pt;font-family:"Arial","sans-serif"">Error: Aborting session with 'Cannot establish any listening sockets - Make sure an X server isn't already running'.</span>
<br>
<span style="font-size:10.0pt;font-family:"Arial","sans-serif""> </span> <br>
<span style="font-size:10.0pt;font-family:"Arial","sans-serif"">I’m not sure what it is that I’ve missed or got wrong in my setup. Can anyone help?</span>
<br>
<span style="font-size:10.0pt;font-family:"Arial","sans-serif""> </span> <br>
<span style="font-size:10.0pt;font-family:"Arial","sans-serif"">Many thanks,</span>
<br>
<span style="font-size:10.0pt;font-family:"Arial","sans-serif""> </span> <br>
<span style="font-size:10.0pt;font-family:"Arial","sans-serif"">Len</span> <br>
<span style="font-size:10.0pt;font-family:"Arial","sans-serif""> </span> <br>
<span style="font-size:10.0pt;font-family:"Arial","sans-serif""> <span style="color:red">[SNIP]</span></span>
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<span style="font-size:10.0pt;font-family:"Arial","sans-serif"">NX> 101 User:<span style="color:blue"> cscs</span></span>
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<span style="font-size:10.0pt;font-family:"Arial","sans-serif"">NX> 102 Password:
</span><br>
<span style="font-size:10.0pt;font-family:"Arial","sans-serif"">NX> 103 Welcome to: me-promis user: cscs</span>
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<span style="font-size:10.0pt;font-family:"Arial","sans-serif"">NX> 105 listsession --type="shadow"</span>
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<span style="font-size:10.0pt;font-family:"Arial","sans-serif"">NX> 127 Sessions list of user '.*' for reconnect:</span>
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<span style="font-size:10.0pt;font-family:"Arial","sans-serif""> </span> <br>
<span style="font-size:10.0pt;font-family:"Arial","sans-serif"">Display Type Session ID Options Depth Screen Status Session Name</span>
<br>
<span style="font-size:10.0pt;font-family:"Arial","sans-serif"">------- ---------------- -------------------------------- -------- ----- -------------- ----------- ------------------------------</span>
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<span style="font-size:10.0pt;font-family:"Arial","sans-serif"">2003 unix-gnome 1A756A55A57CDF54770F8B251B402EF2 --D--PSA 24 1914x1132 Running <span style="color:blue"> me-promis (jd12345)</span> (Shadowed)</span>
<br>
<span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:red"> </span>
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<span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:red"> </span>
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<span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:red">What did you set in :-</span>
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<span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:red"> nxshadowacl</span>
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<span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:red">???</span>
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<span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:red">Try shadowing the same user and see if that works, else let me know . . .</span>
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<span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:red">ref node.conf</span>
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<span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:red"># General shadowing / mirroring notes: </span>
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<span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:red">#
</span><br>
<span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:red"># By default shadowing is only allowed for the same user.
</span><br>
<span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:red">#
</span><br>
<span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:red"># If nxserver finds nxshadowacl binary, it asks it, for which users
</span><br>
<span style="font-size:10.0pt;font-family:"Arial","sans-serif";color:red"># the permission is granted. </span>
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