[CentOS] managing a rack full of centos servers

James Nguyen

james at callfire.com
Mon Sep 5 07:46:36 UTC 2011


I'm managing two data centers and some instances on rackspace cloud servers.
 Currently running Cobbler+Puppet+Mcollective.  So far it's been great for a
team of one, myself.

At the moment I'm looking into either using Aeolus or Openstack to bridge
the gap of my data centers and the public cloud still keeping
Puppet+Mcollective in the mix and seeing if Cobbler is still needed.

Anyone out there tried both Aeolus *and* Openstack yet?  I'm looking
to supplement my research on these two private/public cloud tools. =)

On Thu, Jul 21, 2011 at 3:19 PM, Marian Marinov <mm at yuhu.biz> wrote:

> On Thursday 21 July 2011 18:36:17 Devin Reade wrote:
> > --On Wednesday, July 20, 2011 11:02:42 PM -0700 RC <cooleyr at gmail.com>
> >
> > wrote:
> > > On Wed, 20 Jul 2011 10:07:06 -0600 Devin Reade <gdr at gno.org> wrote:
> > >> It should be considered as complementing the automated config
> > >> management tools like cfengine et al, not as a replacement for
> > >> them (they're doing different jobs).
> > >
> > > That's not entirely fair.  A little shell scripting and pdsh and pdcp
> > > can certainly do everything cfengine/puppet can do
> >
> > I wasn't referring to pdsh/pdcp; I was referring to pconsole.  The
> > reason I said complementing is that sometimes it is good to have
> > stuff under a configuration management system like cfengine/puppet,
> > but sometimes you need to run ad-hoc commands, in an identical
> > fashion, on lots of similar machines, which pconsole is good at
> > (subject to the caveats I previously mentioned).
> >
> > I made no comments on pdsh/pdcp at all, and make no claims on where
> > it fits in the spectrum.
> >
> > Devin
> >
> You can actually achieve the same functionality of pdsh/pdcp and pconsole
> with
> a quite simple bash script :)
>
>  http://multy-command.sourceforge.net/
>
> I think it is a matter of what the admin will prefer to do. When you have a
> lot of identical machines, sometimes it is better to have cfengine/puppet,
> but
> sometimes it just an overkill to use them if you are the only one
> administrating those machines.
>
> cfengine and puppet have a very good place on machines that are
> administered
> by a team of people.
>
> But solutions like pdsh/pconsole and multy-command, in my opinion are more
> suitable when there are only one or two guys administering those machines.
>
>
> Marian
>
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>


-- 

james h nguyen | lead systems architect | www.callfire.com | 1.949.625.4263
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