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

Wed Aug 8 15:06:47 EDT 2012

yeah. low for local apps like firefox.

On Wed, Aug 8, 2012 at 2:58 PM, Sergio Chaves <sergio.chaves at gmail.com> wrote:
> 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
>> >>>
>> >>> Every time you stop a school, you will have to build a jail. What you
>> >>> gain at one end you lose at the other. It's like feeding a dog on his
>> >>> own tail. It won't fatten the dog.
>> >>> - Speech 11/23/1900 Mark Twain
>> >>>
>> >>> http://electjimkinney.org
>> >>> http://heretothereideas.blogspot.com/
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>> >>
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-- 
--
James P. Kinney III

Every time you stop a school, you will have to build a jail. What you
gain at one end you lose at the other. It's like feeding a dog on his
own tail. It won't fatten the dog.
- Speech 11/23/1900 Mark Twain

http://electjimkinney.org
http://heretothereideas.blogspot.com/