08-21-2011
Ubuntu on bootable thumbdrive
I have created a bootable thumbdrive containing Ubuntu 10.04. It works fine, but has one minor issue. When I boot a system, it writes a new fstab relevant to that system. That fstab persists, so that if I boot another system the "old" fstab is read and the O/S tries to mount filesystems that don't exist on the current system. Obviously I can just hit the "S" key at boot to skip that mounting, but I would like a more elegant solution. I think that executing a script to re-write my fstab with just a single line for to mount /proc will be fine. Currently, I do this manually just before shutting down. I have read about startup and shutdown scripts, but the literature that I have read indicates that those scripts are used for starting and stopping services. My questions are therefore:
Is is appropriate to use the shutdown scripts to execute a script for re-writing my fstab?
At what run-level shoud I run that script (runlevel 0?)
Should it be a K script or a S script?
Thanks in advance
Stumpy
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pmerge(8) System Manager's Manual pmerge(8)
NAME
pmerge - Builds a network bootable kernel.
SYNOPSIS
/usr/sys/bin/pmerge bootfile kernel.name new.kernel
DESCRIPTION
The kernel, vmunix, is not bootable over the network. The pmerge utility prepends the bootfile onto the kernel image (kernel.name) to cre-
ate a new operating system image (new.kernel) that is bootable over the network.
Instead of a booting a network loadable kernel, it is sometimes desired to bootstrap link a kernel over the network. In this case, (ker-
nel.name) is the name of the sysconfigtab file on the server containing the list of modules to be loaded to the client. These modules are
then linked to create a bootable kernel on the client.
The pmerge utility is used by doconfig(8) to create a bootable operating system for dataless management services (DMS) client systems to
boot over the network. The pmerge utility is automatically invoked by doconfig(8) during the kernel build process and should not be invoked
independently.
The pmerge utility is located in /var/adm/dms/dmsn.alpha/root/usr/sys/bin on the DMS server.
SEE ALSO
Commands: dmu(8), doconfig(8)
Sharing Software on a Local Area Network
pmerge(8)