host names and dhcp

From: Josh Stillerman (jas@psfc.mit.edu)
Date: Wed Apr 10 2002 - 09:31:29 PDT


The scripts in:

/etc/sysconfig/network-scripts there are scripts that deal with the
hostname. In particular:

network-functions - sets the environment variable NEED_HOSTNAME

ifup - tries to set the host name if NEED_HOSTNAME is set using extra
agruments on pump

ifup-post - tries harder to set the hostname using a program called
ipcalc. This is the one we were missing.

This has nothing to do with firewall/NAT transation issues. In the case
of a node behind a NAT you need to ask the NAT 'who should I claim to
be'

Hope this helps,

-- josh



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