[mythtv-users] [OT] Diskless front end (using PXE) - Fedora Core?

Dave Ansell dave at theansells.com
Thu Jul 7 18:31:58 EDT 2005


Hi,

     I used the instructions here for diskless boot FC3:

 http://warmcat.com/silentcat/

   It is written for EPIA but it is quite easy to adapt for other hardware. 
No problems upgrading, you can run  apt, yum, etc after initial install. 
Also no need to install a hard disk first.

cheers,
Dave

----- Original Message ----- 
From: <Micah.Wedemeyer at gtri.gatech.edu>
To: <mythtv-users at mythtv.org>
Sent: Thursday, July 07, 2005 10:05 PM
Subject: RE: [mythtv-users] [OT] Diskless front end (using PXE) - Fedora 
Core?


Great!  This is pretty much what I was looking for.  I agree that it
might be difficult to upgrade stuff on the diskless client, but it will
still probably be easier than the solutions I proposed.

Does anyone know if it's possible to set up a hardware router (Linksys
BEFSR41) to interact correctly with PXE and direct the diskless client
in the right direction for downloading the boot files?  I know I can do
it using dhcpd, but I'd prefer to keep using my Linksys router instead
of using routing software on the computer.  This is mainly due to the
fact that I'm pretty clueless with networking and don't feel like
learning.

Micah

> -----Original Message-----
> From: Brian Webb [mailto:webbbn at gmail.com]
> Sent: Thursday, July 07, 2005 4:36 PM
> To: fanmail at micah-wedemeyer.net; Discussion about mythtv
> Subject: Re: [mythtv-users] [OT] Diskless front end (using
> PXE) - Fedora Core?
>
> Fedora Core 3 includes a GUI utility called
> system-config-netboot that simplifies creating diskless
> clients.  The basic procedure is:
>
> 1)  Install Fedora on a temporary hard disk on your (soon to
> be) diskless client.
>
> 2) Copy the installation into an NFS mountable directory on
> your server.
>
> 3) Fire up system-config-netboot on your server, fill in some
> basic information about the diskless install directory.
> system-config-netboot creates a kernel and initrd image that
> you then boot using PXE boot.
>
> 4) Setup dhcpd/tftp boot for netbooting and point your
> diskless client at the created kernel/initrd.
>
> On first boot of each diskless client Fedora creates a
> directory structure that contains the client specific files
> and the rest of the files are shared.
>
> I was able to get this working, for one diskless client, and
> it works very well.  The only thing that I'm not sure about
> is what happens if one wants to upgrade any packages on the
> diskless clients.
>
> Brian
>
> On 7/7/05, Micah.Wedemeyer at gtri.gatech.edu
> <Micah.Wedemeyer at gtri.gatech.edu> wrote:
> > Hi,
> >
> > I'm getting ready to split my current Myth box (a combined
> > frontend/backend) into two separate machines.  As part of
> the split,
> > I'm planning to move to a diskless front-end configuration where it
> > boots over the network from the server.
> >
> > I've checked in the BIOS and my soon-to-be frontend does
> indeed have
> > PXE, and LAN is an option for boot device.  So, on that
> front, I think
> > I'm in pretty good shape.
> >
> > However, I'm not much of a Linux expert, and the distro I'm most
> > comfortable with is Fedora Core.  I used Jarod's guide to get my
> > current setup running, and I would probably follow it (or use FC4)
> > when I split to the client/server model.
> >
> > My question is: Does anyone know how to setup a network boot using
> > Fedora Core?  From the client's perspective, I'd like to
> have it start
> > up and fetch grub or something to allow further booting.
> From what I
> > understand, I can specify a NFS location in grub for the kernel and
> > such.
> >
> > What I'm not clear on is how to install all the Fedora Core
> stuff in
> > such a way as to support 2 machines (the client and server) from a
> > single HDD.
> >
> > Ideally, I'd like a way to share certain things (window manager,
> > applications like mysql, etc) between the different machines.
> > However, there will also be things that could be distinct (kernel,
> > modules, X-windows settings, /proc filesystem, and such)
> since the 2
> > machines will not be the same hardware.
> >
> > A second and less ideal approach is to have nothing shared.
>  In this
> > case, both installations reside on the same partition but are
> > completely distinct.
> >
> > The easiest, but least ideal, approach (that I know of) is to have
> > separate partitions for each machine.  In this setup, I
> could take the
> > HDD and partition it with multiple separate partitions representing
> > each machine.  Then I could physically connect the HDD to
> the client
> > and install FC on one partition.  I could transfer the HDD to the
> > server and install FC again on the other partition.  At that point
> > I've got 2 fully functional FC installations and I could
> use grub to
> > choose which to go to.
> >
> > Am I making this too hard?  Is there an easier way that I'm
> just not
> > seeing?
> >
> > Thanks,
> > Micah
> >
> >
> > _______________________________________________
> > mythtv-users mailing list
> > mythtv-users at mythtv.org
> > http://mythtv.org/cgi-bin/mailman/listinfo/mythtv-users
> >
> >
> >
>
>
> --
> Brian Webb
> webbbn at gmail.com
>



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