[ok-mail] [K12OSN] Scalability (long email)

norbert bear2bar at netscape.net
Mon Apr 12 15:23:57 UTC 2004

Hi Petre,

Thanks for the info the last versions of CCO only supported IE 5.5 and 
the Javascript did not work at all for anumber of menus. I will give it 
a try.


petre at maltzen.net wrote:

> You mentioned that the applications only work with IE, and CrossOver 
> Office didn't 'cut it'.  Could you elaborate on the problem(s) with 
> that configuration?  I'm in a somewhat analogous situation, in that my 
> company's internal webservers are all IIS and the people who code the 
> apps for them like to write to MS standards rather than W3C standards, 
> such that several things on the websites won't work with anything but 
> IE.  I've had CrossOver Office 2.x installed for the past year, but 
> the experience has been disappointing: Favorites wouldn't save, nor 
> would passwords, javascript wouldn't run properly, etc.
> *However*, I recently got an alpha version of CX Office 3.x that fixed 
> all the above problems with IE.  The big problem app for me was the 
> ticket tracking system at our help desk.  Under the new version of 
> CXO, everything worked like a champ.  So, you might inquire with 
> CodeWeavers about testing IE under their development version to see if 
> it would work with your apps.
> Petre
> norbert wrote:
>> Hi Terrell,
>> Thanks for the response. To answer why the twenty + client on 
>> terminal server, well it isn't by choice ! The school board has some 
>> applications that are a must and these *only work with IE*. I've tried;
>> Crossoveroffice  - it doesn't cut it for the applications they need !
>> Win4lin - is limited to Win 9x & is too expensive
>> VMware - I have not been able to get more than a couple of thin 
>> clients running with it & costs !!!
>> The applications are Edusystems, Kidpix (no Tuxpaint is not 
>> acceptable) & FirstClass (the linux local client works well but there 
>> is no server version yet.
>> Now the final "kink" in this problem is that there are non-profit 
>> organisations that give Win2K server & CAL licenses for *free* to 
>> educational institutions, so this is giving preference to a M$ 
>> solution as long as these apps cannot run with browsers on linux.
>> If you have *any* suggestions to avoid using M$ please let me know !
>> thanks
>> norbert
>> microman at cmosnetworks.com wrote:
>>> It wasn't my choice, unfortunately.  Back then I worked for not just 
>>> a Microsoft shop, but a totally rabid Microsoft shop.  The very 
>>> notion of running anything that was Free Software was total anathema 
>>> to this company.  They basically subscribed to the notion that, "if 
>>> it *can* run on NT/2000, it *will* run on NT/2000."  Actually 
>>> putting OpenOffice.org on anybody's computer might well have gotten 
>>> me fired, even if the user had specifically asked for it, unless it 
>>> had been a major partner (wasn't gonna happen).
>>> So, to answer your question, we never took them off of Microsoft in 
>>> the first place.  We simply made them run their apps locally again.
>>> That does bring to mind a question, though:  Norbert, can you tell 
>>> us why you need to run twenty client sessions on a Windows Terminal 
>>> Server?  Would folks not be better suited by a K12LTSP server?
>>> --TP
>>> Brian Chase wrote:
>>>> This must be why Citrix is so successful, because the native WTS 
>>>> does such a poor job of it.  What I can't figure out is why you 
>>>> took your whole office staff back to Microsoft when OpenOffice has 
>>>> been out for several years now.
>>>> Terrell Prude', Jr. wrote:
>>>>> That's one of the major problems with Windows Terminal Server; the 
>>>>> underlying platform's just not efficient.  The RDP protocol used 
>>>>> with it is reasonably efficient, but the server itself gets 
>>>>> S-L-O-W very quickly.  I never did more than five on a dual-PIII, 
>>>>> 900MHz, 1GB DRAM box w/ Ultra3-SCSI RAID, back when I was running 
>>>>> Windows networks, for performance reasons; with any more, the CPUs 
>>>>> kept pegging, and the memory subsystem kept almost continuously 
>>>>> swapping to disk.  As it was, there was plenty of swapping, and 
>>>>> the CPUs were heavily used.  We also had stability issues with 
>>>>> user applications (e. g. Microsoft Office).  We ended up using 
>>>>> Terminal Services only for us sysadmins and making everyone run MS 
>>>>> Office on their desktops again.  Boy, did we learn!
>>>>> If for some reason you have to do this for twenty clients on one 
>>>>> server, then I'd recommend going for, at a minimum, a four 
>>>>> processor box, with max GHz (currently we're talking either Xeon 
>>>>> 3.2GHz's or Opteron 2.2GHz's (that's the 848 model, BTW).  Also, 
>>>>> better have no less than 4GB DRAM, and more is definitely not 
>>>>> overkill.
>>>>> --TP
>>>>> norbert wrote:
>>>>>> Ooops that's a P-III & just for clarification we're using K12LTSP 
>>>>>> with diskless client, from each client we launch a rdesktop session.
>>>>>> thks again
>>>>>> norbert
>>>>>> bear2bar at netscape.net wrote:
>>>>>>> Hi,
>>>>>>> Has anyone setup rdesktop with linux on 20 + workstations ? 
>>>>>>> (With Win2K) and what specs are needed for the Win2K server to 
>>>>>>> handle the load.
>>>>>>> We've setup a P-II 500 Mhz with 512mb ram and can barely launch 
>>>>>>> 3 connections. The response is incrediblly SLOW....
>>>>>>> thanks for the input
>>>>>>> norbert
>>>>>>> jhansknecht at hanstech.com wrote:
>>>>>>>> On Tue, 2004-04-06 at 21:26, Shawn Powers wrote:
>>>>>>>>> snip
>>>>>>>>> I have 3 schools, all connected via fiber.  There are approx 
>>>>>>>>> 30 classrooms per building, with a variation of 10 & 100mbit 
>>>>>>>>> connections internally.  The 2 big directions I'm looking at 
>>>>>>>>> would be to have 90 "mini-labs", where a teacher gets a new 
>>>>>>>>> white-box Pentium 4 computer, and have it serve as a classroom 
>>>>>>>>> LTSP server to 5 or 6 "junker" thin clients for the students 
>>>>>>>>> (much like the original case study Paul Nelson put up several 
>>>>>>>>> years back).  If the student management system won't work 
>>>>>>>>> under Wine -- that teacher computer would have to run win4lin 
>>>>>>>>> or some such solution.
>>>>>>>> Instead of win4lin think about using a Windows terminal server 
>>>>>>>> with
>>>>>>>> rdesktop. ....you will need to spend a little but I suspect you 
>>>>>>>> will be
>>>>>>>> able to conqueror this application requirement.
>>> _______________________________________________
>>> K12OSN mailing list
>>> K12OSN at redhat.com
>>> https://www.redhat.com/mailman/listinfo/k12osn
>>> For more info see <http://www.k12os.org>
>> ------------------------------------------------------------------------
>> _______________________________________________
>> K12OSN mailing list
>> K12OSN at redhat.com
>> https://www.redhat.com/mailman/listinfo/k12osn
>> For more info see <http://www.k12os.org>
> _______________________________________________
> K12OSN mailing list
> K12OSN at redhat.com
> https://www.redhat.com/mailman/listinfo/k12osn
> For more info see <http://www.k12os.org>

More information about the K12OSN mailing list