dhcp, linuxppc and remote /usr

David Hoover david.hoover at epfl.ch
Tue Jun 22 01:42:23 EST 1999


It is generally desirable for a machine to be able to do it's basic
startup sequence even if /usr is not mounted yet (if for example it's
on a remote NFS server).  This is not the case with LinuxPPC when using
DHCP to get network parameters.

Briefly, DHCP booting does not work if /usr is mounted on a remote
server.  This is simply because /etc/rc.d/rc3.d/S10network uses the
'xargs' command (which is in /usr/bin instead of /bin).

(if you are wondering why somebody would do this, the idea is to
create a generic ZIP disk that can be used on any machine to start
up a full LinuxPPC session.  DHCP is used so that it's not
necessary to hardwire net addresses onto the boot disk).

I believe that either xargs should not be used in startup scripts, or
xargs should be in /bin by default.  After making this change, bootup
proceeds perfectly).

Just thought somebody might like to know this.

I'm not on this list--so please reply to me personally if you have
a comment.


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