I am a university student and i want to do the same hacks rocha did in his paper lucy in the sky without diamonds: stealing confidential data from clouds.. At his paper rocha uses ubuntu server 10 and xen 4.0. He creates then a vm with ubuntu server 10. He wanta to show how easy it is to steal data from a vm by just being the admin in the system. He performs 3 hacks. In the first he uses the dump core command. My problem is that i do not know what parameters you use at this command. As i see in his paper he uses $xm dump-core -2 L lucidomu.dmp. As i understand -2 and L are just parameters. But lucidomu is the name of the domu? The command cannot be executed because i cannot put the exact parameters. For my experiment i use ubuntu server 12 and xen 4.1. Anyone who can help?
Accepted AnswerRussell PavlicekOffline
Accepted AnswerAndrew lioliosOffline
Accepted AnswerRussell PavlicekOffline0Andrew,
I'd start with the xm reference page:
That breaks down your command parameters pretty well. I don't see the -2, but -L is to dump core live, without attempting to pause the domain. It should then have the domain name and optionally file name.
If you experience an error trying to use the command, please include that as well in your messages.
Note that xm has been supplanted by xl, but on Xen 4.1 you are probably still using xm.