Thanks Mark,
I'll have to do some research on that option, it's really new to me.
Gustavo.
Em terça-feira, 29 de novembro de 2011, Mark Williamson<mjw.mjw.name>
escreveu:
> On 29/11/2011 18:26, Gustavo Seabra wrote:
>> Hi everybody,
>>
>> I am planning a class on molecular dynamics applications, and was
>> thinking on having an Amber installation on a Linux Live-CD, so that
>> it could be installed on the computers to be used by the student
>> during the class, and making sure all students have exactly the same
>> environment.
>>
> Hi Gustavo,
>
> Assuming you're not actually going to install the OS from the Live-CD to
> the harddrive, I would avoid the CD route. Instead, use PXE boot in
> combination with dhcpd, tftp and NFS, to boot an image over the network.
>
> Some examples:
>
> http://www.howtogeek.com/61263/how-to-network-boot-pxe-the-ubuntu-livecd/
>
> https://projects.centos.org/trac/livecd/wiki/PxeBoot
>
>
> Advantages:
>
> 1) If you make a subtle mistake with some aspect of your bespoke
image
> CD, you are left with ~30 shiny coffee coasters, plus the headache of
> re-burning the CDs and handing them out again. With the PXE route, you
> just change the master image on the server node and then just reboot all
> the workstations.
>
> 2) Network IO should be faster than CD or USB.
>
> 3) No issues with people walking off with software.
>
> 4) You can test it all via an emulator such as VMWare (they can PXE
> boot too).
>
> 5) You have the option of setting up some persistent network
storage
> for the user.
>
> Possible issues:
>
> 1) It's a bit more advanced; on the target cluster, you're going to
> need a system admin that knows what she's doing.
>
> 2) You may need to stagger the powering up of all the workstations,
> since it may trip a circuit breaker with the peak draw current at start
> up. Also, depending on the network, it *may* overwhelm the tftpd server.
>
> Regards,
>
> Mark
>
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>
--
Gustavo Seabra
Professor Adjunto
Departamento de Química Fundamental
Universidade Federal de Pernambuco
Fone: +55-81-2126-7417
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Received on Tue Nov 29 2011 - 12:00:04 PST
