07-28-2014
KVM guests unique ID
Hi,
I wanted to know if there was a way to get a unique UUID for KVM guest from the guest OS which isn't easily modifiable. I have a software that I would like to run inside a KVM guest and want to do some license protection on it using a unique UUID. Does KVM allow multiple VMs on the same machine with same UUID. I mean if someone edits the configuration file of the VM manually from the host, would it still bring up the VM if the uuid was duplicated ? Also how can I get the uuid of a guest VM from the guest ?
Also if someone could throw some light on guest host communication channel. Is there an equivalent of Xenstore or guest property store in KVM ? Some mechanism to share small messages between the guest and the host.
Thanks
Shivani
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LEARN ABOUT OSX
pdb_odsam
PDB_ODSAM(8) PDB_ODSAM(8)
NAME
pdb_odsam - Open Directory account information database for smbd
SYNOPSIS
The pdb_odsam plugin is the default account information database backend used on Mac OS X. It makes users and groups record from Open
Directory available to Samba.
idmap_odsam should always be used in conjunction with the odsam passdb backend.
OPTIONS
odsam: map guest to guest = BOOL
If this is true (the default), pdb_odsam map the literal username "guest" to the configured guest account. This makes "guest" an
alias for the configured guest account regardless of whether an account named "guest" exists or not.
odsam: msglevel = LEVEL
LEVEL is the integer log level at which pdb_odsam should emit log messages. The lower LEVEL is, the more verbose the log messages.
odsam: traceall = BOOL
If this is true, pdb_odsam will emit log messages for all Open Directory calls. If it is false (the default), it will only log
errors.
EXAMPLES
[global]
idmap domain = default
idmap config default:default = yes
idmap config default:backend = odsam
idmap alloc backend = odsam
passdb backend = odsam
odsam: msglevel = 0 # Log at debugging levels
odsam: traceall = no # Do not trace Open Directory calls
BUGS
Please report bugs to Apple.
SEE ALSO
DirectoryService(8), smb.conf(5), smbd(8)
PDB_ODSAM(8)