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

Jim Kinney jim.kinney at gmail.com
Wed Aug 8 14:23:35 EDT 2012


+1. LibreOffice on server is fine. Flashplayer is a hog so localapps for that.

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
>>> >>>
>>> >>>
>>> >>>
>>> >>> _______________________________________________
>>> >>> Ale mailing list
>>> >>> Ale at ale.org
>>> >>> http://mail.ale.org/mailman/listinfo/ale
>>> >>> See JOBS, ANNOUNCE and SCHOOLS lists at
>>> >>> http://mail.ale.org/mailman/listinfo
>>> >>>
>>> >> _______________________________________________
>>> >> Ale mailing list
>>> >> Ale at ale.org
>>> >> http://mail.ale.org/mailman/listinfo/ale
>>> >> See JOBS, ANNOUNCE and SCHOOLS lists at
>>> >> http://mail.ale.org/mailman/listinfo
>>> >
>>> > _______________________________________________
>>> > Ale mailing list
>>> > Ale at ale.org
>>> > http://mail.ale.org/mailman/listinfo/ale
>>> > See JOBS, ANNOUNCE and SCHOOLS lists at
>>> > http://mail.ale.org/mailman/listinfo
>>>
>>>
>>>
>>> --
>>> --
>>> 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/
>>> _______________________________________________
>>> Ale mailing list
>>> Ale at ale.org
>>> http://mail.ale.org/mailman/listinfo/ale
>>> See JOBS, ANNOUNCE and SCHOOLS lists at
>>> http://mail.ale.org/mailman/listinfo
>>
>>
>>
>> _______________________________________________
>> Ale mailing list
>> Ale at ale.org
>> http://mail.ale.org/mailman/listinfo/ale
>> See JOBS, ANNOUNCE and SCHOOLS lists at
>> http://mail.ale.org/mailman/listinfo
>>
> _______________________________________________
> Ale mailing list
> Ale at ale.org
> http://mail.ale.org/mailman/listinfo/ale
> See JOBS, ANNOUNCE and SCHOOLS lists at
> http://mail.ale.org/mailman/listinfo



-- 
--
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/


More information about the Ale mailing list