Linux Centralized Administration

Nickola Kolev nikky at
Fri Jan 13 19:22:31 UTC 2012


On Fri, 13 Jan 2012 12:42:30 -0500 (EST)
Jon Lewis <jlewis at> wrote:

> On Fri, 13 Jan 2012, Daniel Ankers wrote:
> > I looked into Puppet and though I've got it managing parts of our
> > infrastructure it seems quite difficult to bolt on to an existing
> > setup.  There are also some things that I can't see how to do easily
> > with Puppet ("Don't upgrade packages on the live environment until
> > we've tested them in staging" being a big one.)
> Has anyone mentioned cluster ssh yet?  Depending on your scale,
> cluster ssh and a "really big screen" may be a suitable way to manage
> N servers and do things like apply updates or make identical changes
> to all at once (or in groups).  It also gives you the flexibility to
> apply commands to all or single out a system and do things just in
> the one window, then to back to talking to all.

Continuing that line of tools, I'm using parallel-ssh
( with great success for
managing several hundred servers, spread all over the world.

Best regards,
Nickola Kolev

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