Re: debian on cluster
On Wed, 28 Aug 2002, Ulrich Kerzel wrote:
> we are considering installing Debian on a cluster of 30 or so linux-boxes.
> One striking argument would be to have updates done via apt automatically.
> Our idea is that one machine (the administrator's box) would be the master, i.e. all packages
> are downloaded from this machine and installed using apt. Then the newly downloaded
> packages would be moved to our local mirror using the apt-move tool. All other machines would
> be the slaves automatically installing the newly available package from the local mirror.
> My question is therefore, how to do this efficiently?
> I was thinking of putting the local mirror in /etc/apt/sources.list and having some
> cron-job doing apt-get update/install.
> But: How to tell the slaves that a package should be installed which hasn't been istalled previously?
> How to deal with the situation that debconf sometimes requires some user-interaction? Can
> the slave somehow get the configuration from the master?
If all the machines are largely the same, look into running diskless-image
You change your master, and the submachines are automatically updated,
simply because they all run the same nfs-root