Have you checked /etc/hosts. With hardy, the initial entry was something like:
127.0.0.1 localhost 127.0.1.1 aaa.bbb.com
when it should be
127.0.0.1 localhost 127.0.1.1 aaa.bbb.com <name of machine, e.g. ubuntu>
This solved it for me.
Have you checked /etc/hosts. With hardy, the initial entry was something like:
127.0.0.1 localhost
127.0.1.1 aaa.bbb.com
when it should be
127.0.0.1 localhost
127.0.1.1 aaa.bbb.com <name of machine, e.g. ubuntu>
This solved it for me.