[nSLUG] linux in the (Windows) computer lab
George N. White III
gnwiii at gmail.com
Wed Sep 29 20:46:42 ADT 2010
On Tue, Sep 28, 2010 at 4:21 PM, JD Trevors <jeff.trevors at gmail.com> wrote:
> Any chance to introduce Linux to people is a good thing. Work or play.
Two of my "mission critical" apps (NASA SeaDAS and sagemath) provide
"windows" versions using linux VM's. Now that you can run a 64-bit
linux in a VM under 32-bit
WIndows XP I suspect we will see many more apps moving to VM's as they outgrow
32-bit and need a way to fit into the large enterprise's that are
stuck with 32-bit Win XP.
> George N. White III wrote:
>> On Mon, Sep 27, 2010 at 11:13 PM, Stephen Gregory <nslug at kernelpanic.ca>
>>> On Mon, Sep 27, 2010 at 08:39:21PM -0300, George N. White III wrote:
>>> nice writeup.
>>>> With modern hardware, Virtual Appliances provide adequate performance
>>>> for classroom exercises.
>>> For compute intesive tasks like R you should get near native
>>> performance too.
>> Real, as opposed to classroom, tasks in remote sensing tend to be I/O
>> and memory bound,
>> which is not ideal for a VM. Fortunately, the NASA software dates to
>> the mid-90's and goes to extraordinary lengths to minimize memory
>> demands so it could run on workstations with 256M RAM (and costing
>> upwards of $20k!).
>>> I am a big fan of virtulization.
>> There are many tasks that don't come close to the resource limits of
>> modern PC's. With a modern PC and an apt-mirror repo you can whip up a
>> new VM in just a few minutes. A VM can't be more reliable than the
>> host, but there are situations where the VM "protects" the host from
>> app problems (e.g., crashing the X11 server or runing out of memory or
>> disk) so in some cases a VM can salvage a system that would otherwise
>> be unstable.
>> George N. White III <aa056 at chebucto.ns.ca>
>> Head of St. Margarets Bay, Nova Scotia
>> nSLUG mailing list
>> nSLUG at nslug.ns.ca
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George N. White III <aa056 at chebucto.ns.ca>
Head of St. Margarets Bay, Nova Scotia
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