On Monday, 27 February 2006 15:21, Duncan Anderson wrote:
> On Monday, 27 February 2006 14:14, Andy Weller wrote:
> > Dear all,
> >
> > I am trying to be clever: I have a Western Digital Passport 40Gb 2.5"
> > USB external drive for my Mandriva 2006.0 (download) 'system'. Something
> > I plan to plug in anywhere and just use (making sure I make regular
> > back-ups!).
> >
> > At present, I want to use this on 2 machines: Dell Dimension 5000 and
> > IBM ThinkVision something-or-other, both with differing hardware configs
> > (wired/wireless LANs, graphics, monitor, etc.). However, when I switch
> > between machines I still have to independently configure some hardware,
> > even though I have set them up before.
> >
> > Is there a way to save each hardware config, so that I can literally
> > plug my 'system' in anywhere (without having to reconfigure each time I
> > return to a previously configured machine)?
> >
> > Any pointers/hints/suggestions/help would be VERY MUCH appreciated.
>
> Are you saying that your root file system is on this external USB volume?
Well, I am assuming that it is. There are several ways of doing what you want.
One way is to have two smallish root file systems, one for each machine, and
lilo entries which point to different root partitions, and then have another
partition which is common to both.
Another way is to make two versions of all the relevant configuration files,
and write a couple of scripts to copy them back and forth. I do something
similar with /etc/fstab and /etc/resolv.conf on my laptop. When I arrive at
work, I run a script called "work" which copies a file called
"/etc/fstab.work" over "/etc/fstab" and "/etc/resolv.conf.work" over
"/etc/resolv.conf". When I get home I run a script called "home"...
Obviously you would need to copy a few more files back and forth, but I'm sure
you get the idea.
I think the first method I have suggested is the most elegant, in that it does
not involve running any scripts or fiddling around.
cheers
Duncan
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