1. Install the G03W+Linda from the distribution CD.
    
2. Install Microsoft Windows Services for UNIX (SFU)

a)  Download from www.microsoft.com/windows/sfu.  Version 3.5 is the version tested with G03W+Linda.\

b)  Run the self-extractor and change the directory to a temporary directory like c:\temp.

c)   Start the installation by running C:\temp\sfusetup.msi from the start menu or by double clicking on the icon.

d)  After identifying yourself and accepting the license agreement select the Custom installation and remove all options except Remote Connectivity.  Modify that option to install options on the hard disk.  Then select Local User Name Mapping with Password and group files.  Leave the password and group file names blank and accept the default Windows domain.  Finally select the location for the utilities, C:\SFU.

3. Create a .rhosts file. Enter edit c:\windows\system32\drivers\etc\.rhosts from the Start=>Run dialog or a command window.  Once in the editor, enter a line with the node name for each node to be used with G03W+Linda and a plus sign to allow any user to use G03W+Linda.  Replace the plus sign with a list of users if only selected users are allowed to use G03W+Linda. For example:

                Alpha1 charlie
                Alpha2 +

              would allow user charlie on node Alpha1 and any user on node Alpha2 to run Linda.

4. Use the Registry Editor (regedit) to change the value of the parameter:

           HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\RshSvc\DefaultTimeOut

           from 600 to 4294967 (double click on it to open an edit window).

           Then modify the value for:

           HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services\LanmanServer\Parameters\IRPStackSize

If this parameter is not present, add it as a new DWord value: Right click on Parameters, then choose New=>DWORD Value. Set the name to IRPStackSize, then double click on it. Change the base to Decimal and set the value to 25. 

          Close the Registry Editor and reboot the computer.

5. The SFU package uses the utility rshpswd.exe to store passwords.  It needs to be run on each node by each G03W+Linda user once.  If you installed SFU in the default location you can run c:\sfu\common\rshpswd.exe from the Start=>Run dialog or from Windows Explorer.  Once this is done test the installation with rsh node dir in a command window with node replaced by the name of your node.
   
   
6. If a firewall is enabled on your system, specify exceptions for TCP/IP Remote Shell Command and for cLindaLauncher.
   
   
7. Share the G03W directory for use over the network: right click on the folder and select Sharing and Security. Enable sharing by clicking on the corresponding radio button. Click on the Permissions button and verify that Everyone or Authenticated Users has Read access.  The ability to write files is not needed.
   
   
8. Start G03W and select File=>Preferences.  Change the Gaussian Bin Path to

               \\node\g03w

or the proper UNC naming location for your G03W installation.  Also define the Linda parameters. Minimally, you need to specify the list of computers which will be used to for Linda runs, as in this example:

               -nodelist "Alpha1 Alpha2"

The master node, where G03W starts, will be added by default but can be specified in this list.  Other Linda parameters can be found in the Linda documentation.

9. Repeat steps 2-6 on each worker computer system. G03W must be installed on each machine which will be used as a master node.
   
   
10. Test the installation by modifying an input file like g03w\tests\gjf\test397.gjf.  Add the line

             %nprocl=n

where n is the number of nodes listed in the G03W Preferences.  Use the Task Manager on each remote node to look for processes like l302.exl or l502.exl.  These processes will also be seen on the Master node when corresponding the standard link, l302.exe or l503.exe, is active.

Frequently Asked Questions

Q)   I got the error "Unable to execute the command" when I run rsh beta3 dir. What's wrong?

A)   Check that you have run rshpswd for your account on node beta3.

---

Q)  I need to stop the G03W+Linda process but I see that the *.exl process continues to run.  How should I stop this?  How about the remote nodes?

A)  From the Task Manager, select the process cLindaLauncher and stop it.  This will stop the G03 .exl processes on all nodes.

---

Q)   When I start G03W it does not show the Linda item on the Preferences, and it has the wrong Revision number on the header, Rev. A.1.  What's wrong?

A)   Your g03w directory is not properly shared.  Make sure it is shared for network access.  Also double check that you typed the path for the g03w bin directory correctly in the G03W Preferences.