You might have disable compiz. With that enabled vnc is pretty hopeless. Cheers Geoff
sent by geoff on his android phone On Nov 15, 2012 6:14 PM, "VE4PER/ Andy" <[email protected]> wrote: > One thing I have discovered with all this excercise is that when the 64 > bit vers of studio 12.04LTS locks up and freezes on the local machine I > can avoid the freeze ups by logging on and running the 64 bit machines > via the remote x sessions; have yet to be able to duplicate the freeze > ups this way. > > when they freeze they lock out CTRL-ALT-Fx so you can't log in to a term > session and do an init 6 orderly shutdown. I doubt that I would be able > to log in using a remote session to get out of the lock either, but > might have access still if I was logged in on a remote session when > fault occurred; yet to be confirmed though. > > > On 14/11/12 22:57, Geoff Barkman wrote: > > On Ubuntu there is also GSTM - Gnome ssh tunnel manager that you can > > graphically do the ssh tunneling and save settings so you don't have > > to type in long commands in the terminal. Its available by the Ubuntu > > package manager or you can download directly from sourceforge > > http://sourceforge.net/projects/gstm/?source=directory > > > > On Thu, Nov 15, 2012 at 11:17 AM, Florent Peyraud <[email protected]> > wrote: > >> Hello > >> Le 12/11/12 18:52, Fernando Della Torre a écrit : > >> > >> Hi there! > >> > >> If you're under ubuntu you can enable the remote desktop (VNC kind) and > use > >> it through a SSH tunnel. > >> > >> We in Tryphon are almost using this method, but to avoid having to tune > our > >> customer's internet modem/router in order to open their SSH port, we > usually > >> ask them to SSH toward a special 'box' account on our infrastructure > with a > >> special command line so that all useful ports are 'tunnelled'. For > example > >> from the target rivendellAllbox they could type : > >> > >> ssh -p 2722 -N -R2222:localhost:22 -R8888:localhost:80 > -R5901:localhost:5900 > >> [email protected] > >> > >> Doing this, we can log on our support server, then connect locally to > ports > >> 2222, 8888 or 5901 to access respectively remote SSH, HTTP or VNC > servers. > >> And for our headless boxes, they can do the same, even from MacOS X or > >> Windows (with putty) with something like : > >> > >> ssh -p 2722 -N -R2222:streambox.local:22 -R8888:streambox.local:80 > >> [email protected] > >> > >> The -N option allows to establish the SSH connection even if the 'box' > >> account has /bin/false as shell in the /etc/passwd file > >> > >> As you may imagine, this method suffers from different problems : one > could > >> try to squat all ports on our server, For the time being, this has never > >> append, but we already think of something to randomize the connection > port > >> for each connection, or map it to our server only when a remote support > is > >> scheduled... We are not short of ideas ;) > >> > >> Hope this can help > >> Best regards > >> > >> Florent > >> > >> > >> > >> > >> > >> Atenciosamente, > >> > >> > >> > >> Fernando Della Torre > >> > >> Tecnologia da Informação > >> > >> (: +55 16 8137-1240 > >> > >> (: +55 16 9137-2886 > >> > >> *: [email protected] > >> > >> V.D.I.T. Soluções em Virtualização > >> > >> > >> > >> > >> > >> A utilização deste e-mail não implica em autorização ou outorga de > poderes > >> para seu usuário praticar qualquer ato em nome das empresas citadas, > cuja > >> representação considera-se válida se praticada exclusivamente por > >> representante legal ou procurador devidamente constituído, na forma > >> estabelecida em seu respectivo estatuto ou contrato social > >> > >> > >> > >> > >> 2012/11/12 Andy Sayler <[email protected]> > >>> Hi Andy, > >>> > >>> To the best of my knowledge SSH is not designed for "Screen Sharing", > and > >>> provides no way to do it. > >>> > >>> When you connect to a remote machine via SSH, you are creating a new > user > >>> session, completely separate from any local user sessions (or other > remote > >>> session) already running on the remote machine. When you use SSH with X > >>> server forwarding (the -X option), the GUIs are actually being > generated on > >>> your local machine, not on the remote machine at all (in fact, the > remote > >>> machine need not even have X installed). The combination of the fact > that > >>> each SSH session is isolated from other user sessions, and the fact > that X > >>> over SSH runs locally means that there is no way to "screen share" > using > >>> SSH. > >>> > >>> Some terminal multiplexers (i.e. GNU Screen) will allow you to perform > >>> terminal "screen sharing" between multiple users, and you can use this > in > >>> conjunction with SSH to share your shell, but I don't believe the > sharing > >>> capabilities extend to X sessions and GUIs. > >>> > >>> If you want a traditional GUI "screen sharing" experience, you'll > probably > >>> need to seek out a program designed for that purpose like TeamViewer or > >>> another remote help/desktop app. If you use Google Chrome, it also > offer a > >>> multi-platform remote desktop/sharing app: > >>> > https://chrome.google.com/webstore/detail/chrome-remote-desktop/gbchcmhmhahfdphkhkmpfmihenigjmpp > . > >>> Some versions of VNC may also support this functionality, but I'm less > >>> familiar with that. > >>> > >>> In short, SSH isn't really designed for sharing your session or screen > >>> with local users. You'll have to look for another program if you want > to do > >>> that. > >>> > >>> Good luck, > >>> Andy > >>> WMFO > >>> [email protected] > >>> www.andysayler.com > >>> > >>> > >>> On Mon, Nov 12, 2012 at 10:09 AM, VE4PER/ Andy <[email protected]> wrote: > >>>> Has anyone used ssh connection to actually view a remote desktop as a > >>>> way to see and trblshoot w/s problems? > >>>> > >>>> I use ssh -a -X userid@IPaddress with server running in the w/s > allowing > >>>> login. It gives me terminal access in real time and allows me to run > new > >>>> instances of window/GUI pgms remotely, however I am not able to > actually > >>>> see or share the existing desktop. > >>>> > >>>> Is there something wrong with the syntax I am using to gain remote > >>>> desktop GUI access and control to be able to be more assistance to the > >>>> remote operator? > >>>> > >>>> Have used other viewers as well, yet seem only to be able to run in > >>>> console mode or X displays of specific applications rather than > viewing > >>>> full desktop? > >>>> > >>>> Thanks > >>>> > >>>> Andy > >>>> _______________________________________________ > >>>> Rivendell-dev mailing list > >>>> [email protected] > >>>> http://lists.rivendellaudio.org/mailman/listinfo/rivendell-dev > >>> > >>> > >>> _______________________________________________ > >>> Rivendell-dev mailing list > >>> [email protected] > >>> http://lists.rivendellaudio.org/mailman/listinfo/rivendell-dev > >>> > >> > >> > >> _______________________________________________ > >> Rivendell-dev mailing list > >> [email protected] > >> http://lists.rivendellaudio.org/mailman/listinfo/rivendell-dev > >> > >> > >> > >> _______________________________________________ > >> Rivendell-dev mailing list > >> [email protected] > >> http://lists.rivendellaudio.org/mailman/listinfo/rivendell-dev > >> > > _______________________________________________ > > Rivendell-dev mailing list > > [email protected] > > http://lists.rivendellaudio.org/mailman/listinfo/rivendell-dev > > > > _______________________________________________ > Rivendell-dev mailing list > [email protected] > http://lists.rivendellaudio.org/mailman/listinfo/rivendell-dev >
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