Re: flexible restore/install system
From: Ryan Nowakowski (tubaman_at_fattuba.com)
Date: 10/18/05
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Date: Tue, 18 Oct 2005 11:34:34 -0500 To: debian-user@lists.debian.org
There are folks who have been thinking about this problem for a lot
longer than you or me. Check out http://infrastructures.org for the
concepts and ISConf[1] for the software.
- Ryan
On Tue, Oct 18, 2005 at 02:18:37PM +0200, Benedict Verheyen wrote:
> Hi,
>
> at home I run a server with actually to many stuff on it to be safe. But
> i want to test a lot of things that it evolved to this situation. It has
> ldap, samba, courier, spamassassin, clamav, squirrel, exim4,...
> Anyway, for normal quick restores, restoring a backup is quick and painless.
>
> But i was thinking of a way to not only "restore" the system but also
> "move" it. For instance, my system acts weird sometimes because of my
> tampering with it so i would love to start from a clean sarge install
> but with all my data and services running on it without spending to much
> time on the reinstall.
>
> To manage things better i've begun moving services to uml instances on
> the server and it keeps thing organised.
> Now this also makes restoring the services easy as one would only have
> to install a base system, install needed utils (uml,bridge) and copy the
> uml files containing the systems and start those.
>
> As for other files like /etc/profile, /etc/inputrc, /etc/environment, i
> guess you could make a package containing those files and installing
> them when you install the "customizing" package or whatever you would
> call such a package.
>
> A server reinstall or recovery would look like this:
> * install debian
> * install "mybase" package
> which would be a fake pacakge depending on real apps that you want to
> * install like aptitude less vim
> * install "base config files" package
> package containing config files, ...
> /etc/profile
> /etc/inputrc
> /etc/skel
> /etc/environment
> /etc/bash.bashrc
> ...
>
> This would leave you with a server "customized" to your liking and with
> the base apps you can't do without. Then further customizing would be
> required to run the services:
>
> * install "uml base" package
> installs uml-utilities bridge-utils + config files + root file system
> /etc/init.d/uml-bridge
> /etc/init.d/uml-start
> /usr/local/uml/rootfs_template
> /usr/local/uml/rootfs
>
> Next would be restoring the data
> * restore /root /home
>
> As for backups, you would need to backup /root /home and the uml systems
> + maintain changes you make to files used in the custom packages.
>
> As said, this is not the fastest restore method but with regards to
> reinstalling a server it might be pretty quick and versatile.
>
> 1. Is this doable? Any things i'm overlooking/comments/...
> 2. What would be an easy way to making such custom packages be it for
> installing config files or fake packages used to install your favourite
> apps?
>
> Regards,
> Benedict
>
> --
> Benedict Verheyen Debian User
> http://www.heimdallitservices.be Public Key 0x712CBB8D
>
>
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