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Euromasters summer school 2005: computing help

There are more computing tips, specific to each tutorial, on some of the tutorial web pages.

Getting help

First, try to solve the problem using the information on this page. If you cannot do this, then:
  • For DICE (the Appleton Tower labs):
    • the Support Office is in room 5.06 (at the back of the big lab), or phone 0131 650 2686 (internal: 50 2686)
    • Also, see this page

  • For TAAL (the Adam Ferguson Building lab), computer support officers are:
    • For Windows, Eddie Dubourg in room 219, telephone 0131 650 3957 (internal: 503957). Eddie is sometimes in room B10 (access from the teaching lab that the tutorial is in)
    • For Unix, Cedric MacMartin in room 216, telephone 0131 650 3963 (internal: 503963)
    • Also, see this page
If you cannot get hold of support, you could try me (although I do not have root access to any systems):
  • Simon King, 5 Buccleuch Place, room 2R08. Telephone 0131 650 1725 (internal: 501725), email Simon.King@ed.ac.uk
  • Or contact me via Avril Heron or Caroline Hastings on 0131 650 4434 (internal: 504434)
or try
  • Rob Clark, 5 Buccleuch Place, room 3R10. Telephone 0131 651 3174 (internal: 513174), email Rob.Clark@ed.ac.uk

Sound in the Appleton Tower labs (DICE machines)

When you first log in, you need to:
  • Disable the KDE sound server (aRts) - here is how:
    1. Using the menu (red hat icon, lower left of screen), choose "Control Centre"
    2. click "Sound and Multimedia"
    3. click "Sound system"
    4. uncheck the "Start aRts..." tickbox.
There should be no need to do this next time you log in (but if sound doesn't work, try doing it again).

Then, if sound still doesn't work, here are some things to try. Try the one at a time, and test the sound at each step. Try them in the order given below:

  • Make sure your headphones are plugged in to the FRONT PANEL headphone socket
  • Turn the volume up (launch the volume control via the red hat icon, lower left of screen): using the volume control, turn up the volume for the main output, and also for PCM1 and PCM2
  • log out, then reboot the machine using the menu available from the log-in screen (do not use the power button!)
  • Check that no other process is accessing /dev/dsp; if there is, then kill it:
    1. /sbin/fuser /dev/dsp
    2. kill -9 <process number>
  • Log out, then try a different machine!

Switching between Linux and Windows in the Adam Ferguson Building lab (TAAL machines)

Read the notices on the wall, or the handout you were given at registration. Switching to Linux involves shutting down Windows. Switching to Windows involves logging in to the Linux login screen with a special username and password.

Please, never reboot these machines

Memory installed on each machine


All machines (tlab1 to tlab20) have 1GB RAM installed.


Lab machines have either 256MB or 512MB RAM installed. If you need more memory, then you can run on student.compute.inf.ed.ac.uk which has 4GB (note: sound playback will then not be possible).

It is acceptable to reboot these machines if necessary, using the menus available from the login screen (do NOT use the power switch!)

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