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Using ISO-image as source on a network drive
I would like to boot Knoppix on CD and then after the boot is completed, I would like to mount the Knoppix ISO-image from a network drive as the cdrom-device. Is it possible to change the cdrom device so that it reads from the iso-image on the network drive after bootup?
Anyone ever tried this or have a suggestion on how to do it?
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I've done something similar.
I have set up a Debian box to act as a knoppix server for a diskless workstation.
My circumstance is slightly different than yours -- the diskless box boots from the
network using PXE, not from the CD-ROM.
On the server, I set up DHCP server, TFTP server, and NFS server (with associated
stuff - portmapper and mountd). Basically, I launched the knoppix terminal server
and looked at what services it used, then duplicated those.
I got the kernel and miniroot for the client box by looking in /tftpboot on the
knoppix terminal server.
As for where it finds its root, the client read its kernel command line from the file
server:/tftpboot/pxelinux.cfg/default. Mine says this (among other things).
<pre>
nfsdir=192.168.0.18:/knoppix/current
</pre>
If you boot from CDROM, you should be able to specify nfsdir= at the boot prompt,
though I haven't tried it.
I'm glossing over a lot of detail here, feel free to ask questions...
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What I've tried so far...
I've tried mounting my network share, and then mounting the Knoppix ISO as /mnt/cdrom using the the network share. I can then remove the CD and access the files in the /mnt/cdrom/ and it seems to be working fine. But when I try to start a program, ie Mozilla, nothing happens, as if the system doesnt read from the /mnt/cdrom. Should i somehow reinitiallize the system so that it reads correctly from the new source?
Any thoughts?
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Senior Member
registered user
Re: What I've tried so far...
![Quote](images/misc/quote_icon.png)
Originally Posted by
andreas_w
I've tried mounting my network share, and then mounting the Knoppix ISO as /mnt/cdrom using the the network share. I can then remove the CD and access the files in the /mnt/cdrom/ and it seems to be working fine. But when I try to start a program, ie Mozilla, nothing happens, as if the system doesnt read from the /mnt/cdrom. Should i somehow reinitiallize the system so that it reads correctly from the new source?
I don't think that will work...
You should use a PXE compatible networkcard, so you can boot directly off the network. Or use a special Linux bootfloppy that will boot the rest of the system om the network drive (do these floppies exist?).
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