> Answering my own mail. > If /etc/conf.d/hostname and /etc/conf.d/domainname are > both blank, we get: > > >>(none) ~ # hostname >>(none) >>(none) ~ # nisdomainname >>(none) >>(none) ~ # dnsdomainname >>dnsdomainname: Unknown host
AFAIK, dnsdomainname will do a lookup on the hostname. If the lookup succeeds, the domain is extracted from the result. It seems that the domain statement in resolve.conf is used too, but ... Some programs use the hostname to connect via TCP/UDP. If /etc/hosts doesn't contain valid entries that point to 127.0.0.1, you'll be stuck with a not working system. Since /etc/init.d/domainname doesn't touch /etc/hosts, it's AFAIK not "complete".
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