VNC: Difference between revisions

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-Any vncserver(s) running under your username can be listed with <code>vncserver -list</code>. To reconnect to a particular vncserver on a login node 1) re-establish a tunnel 2) run the vncviewer command again. It is possible to start multiple remote vncviewer connections to an existing vncviewer desktop, for example to open a second connection from your home machine while leaving the original vncviewer connection running at the office.  To do this requires starting your vncserver with a special option <code>vncserver -AlwaysShared</code>, otherwise additional connections will by default close the initial connection to vncserver.
+All vncserver(s) running under your username (on a login or compute node) can be displayed with <code>vncserver -list</code>.  If a vncserver was started with the additional <code>-AlwaysShared</code> option then multiple connections to it can be made by establishing a new tunnel and vncviewer from any remote location.  Thus one could leave vncviewer running at the office and then re-connect again from home to access the same desktop and then for example seamlessly continue working with the same applications without closing them.  If however a vncserver was not started with <code>vncserver -AlwaysShared</code> then only one vncviewer connection will be possible and additional connection attempts will immediately fail.
 == Failures to connect == <!--T:102-->