How do I retrieve a unique computer ID from java

[Rick D.]

Hi all,

I'm looking for a way to retrieve unique information from a specific
computer from a java application. Things like NIC/Mac number,
processor info or any information that can be used to make some kind
of computer ID. I've browsed the api documentation, and used google to
search but didn't find anything useful. Does anybody know if it can be
done or is it just not possible in java.

Any help would be greatly appreciated.

Best Regards,
Rick

 

[frankgerlach22]

Did you check the java.net package ?
Eg: stHostname=java.net.InetAddress.getLocalHost().getHostName();
gives you the hostname of the current machine. Compute a hash on the
hostname
if you need a number. Either use the hashCode() method or (more
sophisticated)
perform an MD5.

 

[Michael Borgwardt]

Did you check the java.net package ?
Eg: stHostname=java.net.InetAddress.getLocalHost().getHostName();
gives you the hostname of the current machine.

Hostnames are worthless as UID, even if you use getCanonicalHostName();
in dialup networks, hostnames are shifted around just as much as IP
addresses.

 

[Yakov Fain]

Hi all,

I'm looking for a way to retrieve unique information from a specific
computer from a java application. Things like NIC/Mac number,
processor info or any information that can be used to make some kind
of computer ID. I've browsed the api documentation, and used google to
search but didn't find anything useful. Does anybody know if it can be
done or is it just not possible in java.

Any help would be greatly appreciated.

Best Regards,
Rick

Find a way to get it using a command from your computer's OS.
Then call this command from Java using Runtime.getRunTime().exec()
Regards,
Yakov Fain

 

[Tom Dyess]

Find a way to get it using a command from your computer's OS.
Then call this command from Java using Runtime.getRunTime().exec()
Regards,
Yakov Fain

I would shoot for the Nic's MAC address, or make a mixed key using several
identifiers such as mac+os+hostname.