One last netbooting issue

Lincoln Peters lincoln_peters at hotmail.com
Fri May 24 09:56:03 PDT 2002


I'm not sure that that would work; it would not prevent any disk activity in 
between the sync and shutdown.  And I can't seem to figure out which script 
is responsible for sending the final TERM signals.


>From: "Christopher Wagner" <chrisw at pacaids.com>
>Reply-To: <talk at nblug.org>
>To: <talk at nblug.org>
>Subject: RE: One last netbooting issue
>Date: Fri, 24 May 2002 09:21:23 -0700
>
>Maybe have an icon on the desktop that sync's things, then you can hard
>power down, or modify the shutdown scripts to not TERM processes, or just
>have it selectively TERM processes.
>
>- Christopher Wagner
>chrisw at pacaids.com
>
>Packaging Aids Corporation - Information Systems
>P.O. Box 9144
>San Rafael, CA 94912-9144
>http://www.pacaids.com/
>(415) 454-4868 x116
>
>
>-----Original Message-----
>From: Lincoln Peters [mailto:lincoln_peters at hotmail.com]
>Sent: Thursday, May 23, 2002 9:28 PM
>To: talk at nblug.org
>Subject: Re: One last netbooting issue
>
>
> >From: ME <dugan at passwall.com>
> >Reply-To: <talk at nblug.org>
> >To: talk at nblug.org
> >Subject: Re: One last netbooting issue
> >Date: Thu, 23 May 2002 16:15:46 -0700 (PDT)
> >
> >If you have control over the boot floppy, try using the netboot stuff and
> >give an explicit arg for where to find the root, but allow it to grab an
> >IP via their DHCP server.
>
>The boot floppy is set up with the kernel parameters:
>root=/dev/nfs nfsroot=130.157.139.237:/netboot ip=dhcp
>
>I would think that that would do it.
>
> >
> >Then you provide your kernel with a netboot modification to work with the
> >netboot stuff, set it on the server mentioned explcitily from the disk,
> >and then it dl the modified kernel and hands the kernel the IP addressit
> >should use. The client then has no absolute need for DHCP. Of course, if
> >the DHCP Server should try to change the lease on-the-fly and then do
> >something to revoke the license and hand it to some other machine, then
> >you could have problems....
>
>Hmmm.  I don't have control of the DHCP server, so I can't be sure whether
>or not it'll try any on-the-fly stuff.
>If the kernel itself is auto-configuring the network as described above,
>should it even need dhcpcd to be running?
>
> >
> >I do not recall right now, but I dont think ours use DHCP. But even if
> >they did, the NFS mount is exported from the server as readOnly so there
> >is notstate. The shutdown (desired) for these NC is to just shut them
> >off! (Not state, noit disk corruption because no write acccess! :-)
>
>I can't get away with read-only access.  Imagine someone spending a class
>period writing up something in AbiWord or KWord, and then getting a
>"read-only filesystem" error when he or she clicks on "Save"!
>
>
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