How to identify two different MACI64 computers
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Andy Daubenspeck
le 15 Août 2022
Commenté : Andy Daubenspeck
le 16 Août 2022
I use an iMac desktop and a Powerbook Pro for program development with a VPN connection to my university. They have slightly different data structures and I would like to be able to identify which one I am using by examining the output from name=computertype as I used to in earlier versions of Matlab. Now both computers return 'MACI64'. getenv is not useful as it returns the address of the current VPN connection. Is there a way to determine when I am using each computer? This is of great help in setting data and results paths.
Thanks,
Andy
2 commentaires
Rik
le 16 Août 2022
You need to identify something that is different between the two. You could check the existence of some specific folder structure, perhaps?
Walter Roberson
le 16 Août 2022
hostname ? Amount of memory?
... I think checking for the two data structure directories is probably the most robust.
Réponse acceptée
Jan
le 16 Août 2022
Modifié(e) : Jan
le 16 Août 2022
You can create a corresponding preference on each computer:
setpref('Computer', 'ID', 'Computer1');
% and on the other machine:
setpref('Computer', 'ID', 'Computer2');
Afterwards this distinguishes the machines:
if strcmp(getpref('Computer', 'ID'), 'Computer1')
...
else
...
end
Not matching your problem, because this concerns Windows only:
For an automatic detection without manual definition before under Windows:
% UUID of the machine:
[status, msg] = system(['powershell -Command ', ...
'"(Get-CimInstance -Class Win32_ComputerSystemProduct).UUID"']);
if status == 0 && ~isempty(msg)
HostUUID = msg(~isspace(msg));
else
fprintf(2, '### %s: %s\n', mfilename, 'Cannot obtain UUID.');
HostUUID = '$noUUID';
end
% DeviceID:
try
msg = winqueryreg('HKEY_LOCAL_MACHINE', ...
'Software\Microsoft\SQMClient', 'MachineID');
catch
msg = '$noKey';
end
DeviceID = strrep(strrep(msg, '{', ''), '}', '');
end
Under Windows also:
R = com.sun.security.auth.module.NTSystem;
DomainSID = get(R, 'DomainSID'); % or: R.getDomainSID
UserSID = get(R, 'UserSID'); % or: R.getUserSID
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