Running several nutcpc having different hostname

[dboucard]

For the moment, nutcpc checks that only one nutcpc is running at a time for a given HOME directory.

I propose that condition to be extended to a given HOME directory and a given nuauth hostname.

I think it is legitime to run several nutcpc if they are connected to different nuauth servers and we should not have to run the second one with "-l" option (not clean to manage).

Several nuauth server can be needed if these servers do not have access to the same user directory database (for example, a local nuauth system-based and a global nuauth ldap-based).

[eric]

I don't want to get rid of -l because it is difficult to distinguish between

nutcpc -H localhost

and

nutcpc -H 127.0.0.1

But improvement could also be done by providing a clean web to kill a selected instance of nutcpc. Like it is implemented in screen software.

[eric]

Another solution could be to implement nuauth public key storage (like on ssh client) to be able to distinguish different nuauth by their key.