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Full Discussion: Connecting to a remote server
Operating Systems Linux Ubuntu Connecting to a remote server Post 302279539 by pludi on Friday 23rd of January 2009 03:38:49 AM
Old 01-23-2009
You could try a probe from external using tcptraceroute and check if it's being blocked somewhere on the way, but you'll probably get a definite answer if you call your ISP. That way you could also ask them if there's any other way for you to access your machine at home (sometimes they can get coaxed into opening a port).

SSH, FTP, and HTTP can use other ports if necessary, not sure about VNC, but from a security view I'd suggest to enable VNC only for localhost and using an SSH tunnel to connect.
 

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LEARN ABOUT SUSE

virt-viewer

VIRT-VIEWER(1)						User Contributed Perl Documentation					    VIRT-VIEWER(1)

NAME

       virt-viewer - display the graphical console for a virtual machine

SYNOPSIS

       virt-viewer [OPTIONS] DOMAIN-NAME|ID|UUID

DESCRIPTION

       virt-viewer is a minimal tool for displaying the graphical console of a virtual machine. The console is accessed using the VNC protocol.
       The guest can be referred to based on its name, ID, or UUID. If the guest is not already running, then the viewer can be told to wait until
       is starts before attempting to connect to the console The viewer can connect to remote hosts to lookup the console information and then
       also connect to the remote console using the same network transport.

OPTIONS

       The following options are accepted when running "virt-viewer":

       -h, --help
	   Display command line help summary

       -V, --version
	   Display program version number

       -v, --verbose
	   Display information about the connection

       -c URI, --connect=URI
	   Specify the hypervisor connection URI

       -w, --wait
	   Wait for the domain to start up before attempting to connect to the console

       -w, --reconnect
	   Automatically reconnect to the domain if it shuts down and restarts

       -d, --direct
	   Do not attempt to tunnel the console over SSH, even if the main connection URI used SSH.

EXAMPLES

       To connect to the guest called 'demo' running under Xen

	  virt-viewer demo

       To connect to the guest with ID 7 running under QEMU

	  virt-viewer --connect qemu:///system 7

       To wait for the guest with UUID 66ab33c0-6919-a3f7-e659-16c82d248521 to startup and then connect, also reconnecting upon restart of VM

	  virt-viewer --reconnect --wait 66ab33c0-6919-a3f7-e659-16c82d248521

       To connect to a remote console using TLS

	  virt-viewer --connect xen://example.org/ demo

       To connect to a remote host using SSH, lookup the guest config and then make a direct non-tunnelled connection of the console

	  virt-viewer --direct --connect xen+ssh://root@example.org/ demo

AUTHOR

       Written by Daniel P. Berrange, based on the GTK-VNC example program gvncviewer.

BUGS

       Report bugs to the mailing list "http://www.redhat.com/mailman/listinfo/et-mgmt-tools"

COPYRIGHT

       Copyright (C) 2007-2008 Red Hat, Inc, and various contributors.	This is free software. You may redistribute copies of it under the terms
       of the GNU General Public License "http://www.gnu.org/licenses/gpl.html". There is NO WARRANTY, to the extent permitted by law.

SEE ALSO

       virsh(1), "virt-manager(1)", the project website "http://virt-manager.org"

perl v5.12.1							    2010-01-15							    VIRT-VIEWER(1)
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