OT: dpkg hangs unpacking

[Thomas Neumann]

> On Fri, Feb 10, 2012 at 9:26 AM, Carsten Aulbert
> In theory from the dhcp option hostname, some classess are
> automattically added for cfengine (things like: if the hostname
> matches a regex, for instance).

You can use fai to echo/print the new hostname to
/proc/sys/kernel/hostname and update the hostname 'on-the-fly'. cfengine
should then see the new hostname and define an appropriate class.

(This works only if fai is able to determine the hostname dhcp is going to
assign.)