Re: backup and rebuild strategy
Awesome. I've been trying to develop a good backup strategy for my own system.
This will help immensly. Thanks for posting!!!!!!!!!
On Tue, 17 Oct 2000, kmself@ix.netcom.com wrote:
>
> On Tue, Oct 17, 2000 at 01:08:23PM +0100, Mike.Jones@ons.gov.uk (Mike.Jones@ons.gov.uk) wrote:
> > Hi,
> >
> > I'm using a cheap, low-spec PC (running Debian 2.2) as a dial-up server,
> > firewall, proxy webserver, etc. for my main home PC.
> >
> > Now I have it configured as I want it, I'd like to make some backups. The
> > problem is that the only backup device available is a 100MB parallel-port
> > Zip drive. This isn't supported by any of the 'standard' rescue disks, and
> > anyway it is a bit small to back up everything. Fortunately, I can afford a
> > few days off the Internet if I ever have to rebuild the PC, so here's my
> > plan:-
> >
> > To backup:
> > 1. Back up /usr/local, /home, and /etc to the Zip disk.
> > 2. Capture the output of 'dpkg --get-selections' to a file and back it up
> > to the Zip disk.
> > 3. Back up /usr/src/linux/.config to a floppy - I won't be able to read
> > from the Zip disk until I have rebuilt a custom kernel.
> >
> > To rebuild:
> > 1. Install the base Debian system, plus the kernel source package,
> > make-kpkg, and any dependencies.
> > 2. Copy the kernel config file from floppy to /usr/src/linux. Build and
> > install a custom kernel with parallel-port Zip support.
> > 3. Now I can read the Zip disk, and run 'dpkg --set-selections' against the
> > saved output from 'dpkg --set-selections'.
> > 4. Run dselect (or apt-get ...) to fetch and install the selected packages.
> > 5. Restore /usr/local, /home, and /etc (this should restore all the
> > original configuration files).
> >
> > Will this work? Is there anything I have missed? Any comments and
> > suggestions gratefully received.
>
> Sounds reasonably good.
>
> I'd run through the recovery process, to the extent of:
>
> - Building a kernel from your archived configuration file(s).
> - Booting new kernel (modify lilo to do this).
> - Confirming read of Zip drive.
> - Reading package list (you don't have to run it, just read it).
> - Verify (tar -tvf) your backup archives.
>
> See if there's anything which didn't work as planned. With the
> exception of /lib/modules/<kernel-version> and /etc/lilo.conf, there
> shouldn't be any part of your system you'll need to modify to do this.
>
> Note that Zip media can be flaky, you'll probably want a couple of
> copies of the archive to be on the safe side.
>
> --
> Karsten M. Self <kmself@ix.netcom.com> http://www.netcom.com/~kmself
> Evangelist, Opensales, Inc. http://www.opensales.org
> What part of "Gestalt" don't you understand? There is no K5 cabal
> http://gestalt-system.sourceforge.net/ http://www.kuro5hin.org
> GPG fingerprint: F932 8B25 5FDD 2528 D595 DC61 3847 889F 55F2 B9B0
>
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