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  • Due to timeouts associated with things like afs tokens, kerberos tickets, vpn, and ssh tunnelling, vncserver sessions left running can become inaccessible to VNC Viewers, and need will to be restarted. Troubleshooting section below has some possibilities for getting around the problem, but they are not always successful. In any case, please do not leave unsaved work in an inactive your session.
  • The iris group of SCCS machines are equipped with fonts necessary for running edm displays like lclshome. Other machines like noric or yakut do not have these fonts.

Set up your PC (one time)

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Configure your vncserver (one time)

  • vpn into the SLAC network, see https://confluence.slac.stanford.edu/display/NetMan/How+to+Connect+to+SLAC+VPN
  • Using putty (or XWin-32 if you prefer) log into iris01.slac.stanford.edu, providing your unix username and password
  • Create your vnc password:
    • > vncpasswd
      Provide a password following the usual SLAC password guidelines.
      The password will be stored in ~/.vnc/passwd
      To reset the password, you can run vncpasswd again.

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Every time you need a new session.

  • Create a connection to SLAC using vpn (see vpn link above)
  • Invoke a command window on your PC:
    • click the Start Button in the lower lefthand corner of your screen
    • enter Command in the search box
    • select "Command line tools" from the list

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  • "The connection closed unexpectedly" (at VNC Viewer startup)
    • You're logged into the wrong displaynum port corresponding to your vncserver.
  • edm displays (e.g. lclshome) come up without text
    • Not all SCCS machines have the fontset for edm. Please use the iris machines.

References 

SLAC Linux VNC page: http://www.slac.stanford.edu/comp/unix/vnc.html

contacts:

  • Judy Rock (x3639)
  • Mike Zelazny (x3673)
  • Jingchen Zhou (x4661)

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