[ncolug] Re: Need recommendations
- From: Chuck Stickelman <cstickelman@xxxxxxxxxx>
- To: ncolug@xxxxxxxxxxxxx
- Date: Tue, 17 May 2011 01:04:56 -0400
Thanks for the feed-back! Rob is also a big proponent of VMWare. THere
is no way we would not consider it. We are using VBox only because it's
adequate for our current needs. Once we begin using a network storage
or some self-hosted cloud-like solution we will need something more
advanced. I'm not too concerned about teaching products as I am about
teaching concepts, so the final product could be something other than
VMWare...
Chuck
On Mon, 2011-05-16 at 06:41 -0400, Jim Willeke wrote:
> I know many members of this group are strong believers open source and
> free software, but it should be noted that in the commercial market
> place that VMWare is by far the most prevalent VM and management
> system in use.
>
>
> VMWare has many utilities to manage clones and snapshots that become
> simple "backup" files.
>
>
> The company I currently work with and many that I have worked with
> have 90-99% of their machines on VMWare.
>
>
> Some of these companies, the VM management is their primary backups.
>
>
> The "dev\test\uat" type environments we work with, are typically all
> virtual, and are regularly reverted to the current "snapshot" so we
> can start-over to perform upgrades or revision work.
>
>
> VMWare, better or not, is most likely, the VM platform most students
> will be working with in their future jobs.
> I would think that VMWare would be happy to offer Central State some
> hefty discounts and training.
>
> -jim
> Jim Willeke
>
>
> On Sun, May 15, 2011 at 10:13 PM, Larry DiGioia <larry@xxxxxxxxxxxx>
> wrote:
> bootable floppy images = way too small...
>
> LiveCD/DVD images = best, easy + standardizable + good
> learning experience
>
> I have never met a virtual user before, but I am sure it will
> be nice to just hit "revert to saved..." =-O
>
> I am concerned about your "100% virtual" vision - It would be
> interesting to know how airline schools balance flight
> simulators and actual hands-on - all simulation and no flight
> makes Jack a very dull boy...
>
>
>
> On 05/15/2011 01:51 PM, Chuck Stickelman wrote:
> Howdy all!
>
> Rob, Mike K., myself, and others have been talking
> about ways to
> improve the networking technology used in the CIS
> program @ North
> Central State College. We are currently using
> VirtualBox as a platform
> for the students to install and learn various
> operating systems, and to
> use those systems to study and learn networking
> topics. The VMs
> created/used in one class are not generally available
> for subsequent
> classes or quarters.
>
> The goal is to design a solution where the students
> can develop their
> own persistent virtual networks. As they progress
> through the program,
> they would install multiple virtual machines as client
> systems (Windows,
> Linux, and others), and others as servers (Windows,
> Linux, and others).
> They would also build-out their virtual networks with
> Virtual Hubs,
> Switches, Routers, Wireless Access Points, etc.
>
> One of the things I would like to see in this
> environment is the
> ability to run multiple VMs that would simulate
> real-world systems.
> These systems would generate simulated network
> traffic, with simulated
> users sending simulated e-mail, transfering simulated
> files, browsing
> the (simulated?) Web, etc. These machines would not
> need a GUI, or any
> real user-oriented applications; all simulated traffic
> would be
> scripted.
>
> Since there could be many of these machines running
> at the same time,
> they would need to have a very small memory and CPU
> foot-prints. Fast
> boot-times would also be nice.
>
> There are multiple ways that this solution could be
> implemented; for
> each VM we could use:
> 1) bootable floppy images
> 2) LiveCD/DVD images
> 3) PXE and boot the VMs from a virtual server
> 4) virtual hard drives
> 5) something like OpenWRT for Intel/AMD CPUs
>
> If we are going to have multiple copies of the boot
> media, then it
> should be relatively small. If we are using one
> shared, read-only file
> as our boot device, then size may not matter, as
> much. I have found
> that multiple VirtualBox VMs can use a shared,
> bootable ISO file as
> their CD/DVD drives.
>
> Thoughts? Ideas? Suggestions?
>
> Chuck
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