[ale] Edubuntu Local Apps and Hard Drives : was Need Help sending PCs to Haiti

Wed Aug 8 14:58:30 EDT 2012

Hmmmm.

Clients have ATI Video cards with 128 Meg and 500 meg Ram.
Sounds like border line huh?

On Wed, Aug 8, 2012 at 2:27 PM, Boris Borisov <bugyatl at gmail.com> wrote:

> I think this is impressive and worth mentioning. Back in day on my
> LTSP setup I was running 486/32 MB RAM clients but with ATI RAGE video
> with accelerated 3D driver ( included in Xfree). So I was running
> BZflag OpenGL game on the server side and the game was displayed
> properly accelerated because of the driver on the thin client side
> with all the textures shadows and effects. For me this is true example
> of the networking nature of the Xfree/Xorg.
>
>
> On Wed, Aug 8, 2012 at 2:15 PM, Boris Borisov <bugyatl at gmail.com> wrote:
> > In general local apps are running in clients memory using clients CPU
> > but are installed on server side. So no need for any sort of HDD. So
> > extra RAM for clients is nice. I would run as is been mentioned
> > previously browser and media player localapps and for example office
> > and whatever you choose not heavy on graphics on the server.
> >
> >
> > On Wed, Aug 8, 2012 at 2:00 PM, Sergio Chaves <sergio.chaves at gmail.com>
> wrote:
> >> So, based on what you are saying, I should be better off putting an
> extra 02
> >> Gigs ram on the server (04 gigs total for 06 or 07 clients) than running
> >> Local Apps on the 486s, right?
> >>
> >>
> >> On Wed, Aug 8, 2012 at 1:43 PM, Jim Kinney <jim.kinney at gmail.com>
> wrote:
> >>>
> >>> Yes. Local apps use the hardware of the actual client. If the client
> >>> is setup to find and use local drive for cache, then that makes things
> >>> better than using server-side ram caching. Older LTSP used only
> >>> server-side. After LTSP5 client-side was an option. It had to be
> >>> turned on for each client I think. It's been a few years since I've
> >>> done a LTSP install so I'm rather rusty.
> >>>
> >>> Local apps can require stronger hardware than all server-side only. An
> >>> i486 is pushing limits for local apps. Local apps are good for things
> >>> that are graphics intensive (flash, video like you-tube, some games -
> >>> tuxmath). The issue is that ALL of the libs needed to run the app must
> >>> ALSO be local so RAM becomes an issue for older systems as thin
> >>> clients.
> >>>
> >>> On Wed, Aug 8, 2012 at 1:35 PM, Sergio Chaves <sergio.chaves at gmail.com
> >
> >>> wrote:
> >>> > I think I am confused but starting to see the light. Local apps run
> in
> >>> > the client's memory only? No hard drives needed?
> >>> > When people say they run local apps off the clients, they mean from
> >>> > memory and not hard drives?
> >>> >
> >>> > Sent from my iPhone
> >>> >
> >>> > On Aug 8, 2012, at 10:46 AM, Boris Borisov <bugyatl at gmail.com>
> wrote:
> >>> >
> >>> >> I never did setup on newer LTSP I stop at version 3.07 or similar I
> >>> >> can't recall now (back early 2000's). But back then the local
> >>> >> applications was terminology i believe for running for example
> Mozilla
> >>> >> on the diskless station CPU not on the server CPU. In that way you
> >>> >> avoid loads of pixels over the network. But application that are
> >>> >> executed in that fashion are installed in diskless directory tree so
> >>> >> they get loaded over NFS exports.
> >>> >>
> >>> >> What are HD for?
> >>> >>
> >>> >> Or maybe everything got changed with new LTSP versions.
> >>> >>
> >>> >> Anyway I have 2-3 old HD. Marietta or Dallas. IF I do search over my
> >>> >> junk I would come up with more.
> >>> >>
> >>> >>
> >>> >> On Wed, Aug 8, 2012 at 10:23 AM, Sergio Chaves
> >>> >> <sergio.chaves at gmail.com> wrote:
> >>> >>> I got Edubuntu 12.04 up-and-running.
> >>> >>> Clients login fine.
> >>> >>> Problems are the usual ones - Firefox, Flash, etc.
> >>> >>> Using Local Apps to help.
> >>> >>> *My* problem is that all client PCs are diskless. Does anyone have
> 06
> >>> >>> old
> >>> >>> HDs (PCs are 486s); size does not matter in this case  :-)  - 20
> Gig?
> >>> >>> Also, does anyone know if there are any changes for setting up
> Local
> >>> >>> Apps in
> >>> >>> 12.04 LTS?
> >>> >>> The most recent page I could find googling was this page -
> >>> >>> https://wiki.ubuntu.com/LTSPLocalAppSetup
> >>> >>> Is it still valid?
> >>> >>>
> >>> >>> BTW, I am in McDonough/Hampton area.
> >>> >>>
> >>> >>> Thanks for any help on this. I must have everything ready by 09/02
> and
> >>> >>> she,
> >>> >>> "the one that must be obeyed" is starting to comment on too much
> time
> >>> >>> in
> >>> >>> front of the computers when at home :-)
> >>> >>>
> >>> >>> Sergio Chaves
> >>> >>>
> >>> >>> Systems Administrator
> >>> >>>
> >>> >>>
> >>> >>>
> >>> >>> GENCO ATC
> >>> >>>
> >>> >>> PRODUCT LIFECYCLE LOGISTICS
> >>> >>>
> >>> >>> The Home Depot RLC#8616
> >>> >>>
> >>> >>> 180 Westridge Parkway
> >>> >>>
> >>> >>> Suite 300
> >>> >>>
> >>> >>> McDonough, GA 30253
> >>> >>>
> >>> >>>
> >>> >>>
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> >>>
> >>> --
> >>> --
> >>> James P. Kinney III
> >>>
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> >>> own tail. It won't fatten the dog.
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