[PLUG] Host Unknown Problem After Name Change

Rich Shepard rshepard at appl-ecosys.com
Tue Apr 12 13:31:55 UTC 2011


On Sun, 10 Apr 2011, Bill Thoen wrote:

> I'm not sure that all this about /etc/hosts and resolv.conf answers my
> question, because I can't find the old host name in any of those files, so
> whatever is being done now isn't being done there.

Bill,

   That's because you have nothing other than 127.0.0.1 in /etc/hosts, and
hosts.allow, hosts.deny, and hosts.equiv are probably equally empty.

> So do you or anyone else know if the original machine name gets embedded
> into sendmail's configuration when you first set up, and I have to go
> digging into the the sendmail configuration to change it, or if this is
> happening elsewhere?

   I know nothing about sendmail.

> It's not critical, I can live with machine names of 'upper' and 'lower'
> (named imaginatively after their positions in the rack) but I thought
> changing machine names would be simple. Man, the water gets deep fast no
> matter which way I step off my tiny island of Linux knowledge!

   Read the man page for 'hostname'.

Rich



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