Hello, So I just found out that my school will have to use LTSP over wifi because of costs. I have some questions: How will I do this? Will it be cheaper to use ethernet? What hardware specs do I need?
Thanks, Abraham Close On Thu, May 31, 2012 at 10:27 AM, Abraham Close <amclos...@gmail.com> wrote: > I meant to say: Is anything better than the server that I found? > Anything that will fit my needs better? > > Thanks, > Abraham Close > > On Thu, May 31, 2012 at 10:07 AM, Sprachschule Eilert > <eilert-sprac...@t-online.de> wrote: >> Hi Abraham, >> >> as to hardware, I would say this is more than enough and about like the >> follower of what we've got here. Maybe enterprise SATA drives are a bit >> exaggerated, as I have made good experience with ordinary ones - on the >> other hand, if you have the money and you just want to be on the safe >> side... >> >> >>> Would this be a good server? >>> https://www.system76.com/servers/model/elav3 Do I need an ssd? Do you >>> recommend anything better? BTW, thank so much for all of your help, >> >> >> Nothing better. SSD? No idea, I preferred ordinary but large SATA drives. >> You know, Linux will cache all file calls, and file calls will be nearly the >> same for each client. So after the first call of a file on a given day, it's >> in RAM, and unless it's rewritten, Linux will simply keep it there for the >> next calls to serve. >> >> >>> guys. These should be my last questions. >> >> >> No problem! >> >> Rolf >> >> >>> >>> Thank-you again, >>> Abraham Close >>> >>> On Thu, May 31, 2012 at 6:31 AM, Rolf-Werner Eilert >>> <eilert-sprac...@t-online.de> wrote: >>>> >>>> We have ca. 50 THIN clients (2 labs + some groups and single ones) >>>> running on an Intel Xeon system (simplest Xeon CPUs with "only" 4 cores, >>>> i. e. 2 real, 2 virtual, so 8 in total), 8 GB RAM, 6 SATA HDs (no RAID). >>>> >>>> This runs fine with any Linux distro and any LTSP version. The server >>>> has GBit Ethernet, but I haven't even used it yet, just 100 MBit >>>> switches all over the place. >>>> >>>> There have been no bottlenecks so far, and I would expect any slightly >>>> smaller server to be able to feed your T40s and T60s, especially as they >>>> will do most of the job (Firefox?) themselves. >>>> >>>> Rolf >>>> >>>> >>>> >>>> Am 31.05.2012 00:32, schrieb Abraham Close: >>>>> >>>>> Hello, >>>>> >>>>> What server would you recommend for a 50 fat client set up? I have >>>>> been looking at some System76 servers but I rather have someones input >>>>> that has done this before. >>>>> >>>>> Thanks, >>>>> Abraham Close >>>>> >>>>> On Wed, May 30, 2012 at 11:42 AM, Abraham Close<amclos...@gmail.com> >>>>> wrote: >>>>>> >>>>>> Hey, >>>>>> >>>>>>> I am not knowledgeable about SSDs, but buying one that exceeds the >>>>>>> speed of >>>>>>> the SATA controllers in your T40 and T60 (SATA1 1.5gbps as near as I >>>>>>> can >>>>>>> tell) is probably a waste. You will be better off buying a server with >>>>>>> SATA2. >>>>>> >>>>>> I didn't see that, thanks! Also, what server do you recommend? >>>>>> >>>>>> Thanks, >>>>>> Abraham Close >>>>>> >>>>>> On Wed, May 30, 2012 at 11:26 AM, Jay Goldberg<jaymgoldb...@gmail.com> >>>>>> wrote: >>>>>>> >>>>>>> It sounds like your requirements for a switch are minimal. Buy the >>>>>>> cheapest, >>>>>>> they are all the same at the entry-level. Buy 2 because they are cheap >>>>>>> and >>>>>>> LTSP will utterly fail if the switch fails. >>>>>>> >>>>>>> I am not knowledgeable about SSDs, but buying one that exceeds the >>>>>>> speed of >>>>>>> the SATA controllers in your T40 and T60 (SATA1 1.5gbps as near as I >>>>>>> can >>>>>>> tell) is probably a waste. You will be better off buying a server with >>>>>>> SATA2. >>>>>>> >>>>>>> >>>>>>> http://forums.lenovo.com/t5/T61-and-prior-T-series-ThinkPad/T61-Support-SATA-II/td-p/64464/page/6 >>>>>>> >>>>>>> >>>>>>> On Tue, May 29, 2012 at 7:07 PM, Abraham Close<amclos...@gmail.com> >>>>>>> wrote: >>>>>>>> >>>>>>>> >>>>>>>> Hello, >>>>>>>> >>>>>>>> Thanks for all of the replies! Is this a good network switch: >>>>>>>> >>>>>>>> >>>>>>>> http://www.bestbuy.com/site/NETGEAR+-+ProSafe+Plus+24-Port+Gigabit+Ethernet+Switch/2300693.p?id=1218320156911&skuId=2300693 >>>>>>>> And what about this ssd: >>>>>>>> http://www.newegg.com/Product/Product.aspx?Item=N82E16820167062 >>>>>>>> >>>>>>>> Thanks, >>>>>>>> Abraham Close >>>>>>>> >>>>>>>> On Tue, May 29, 2012 at 6:00 PM, JF Straeten<jfstrae...@scarlet.be> >>>>>>>> wrote: >>>>>>>>> >>>>>>>>> >>>>>>>>> Re, >>>>>>>>> >>>>>>>>> On Tue, May 29, 2012 at 05:34:23PM -0400, Abraham Close wrote: >>>>>>>>> >>>>>>>>>> Wow thanks for the quick reply. Just three more questions: Are you >>>>>>>>>> guys saying I shouldn't do fat clients? >>>>>>>>> >>>>>>>>> >>>>>>>>> I don't think so (so, you should probably do fat clients in your >>>>>>>>> case). If I understand right, your clients are just as powerfull as >>>>>>>>> the intended servers (same machines, right ?). >>>>>>>>> >>>>>>>>> So you should probably not divide the server power between clients >>>>>>>>> which are themselves as powerfull : you will waste clients >>>>>>>>> ressources >>>>>>>>> in this case. >>>>>>>>> >>>>>>>>> By doing fat clients, you still benefit from the centralized setup >>>>>>>>> that LTSP provide (only one installation for whatever clients you >>>>>>>>> have). >>>>>>>>> >>>>>>>>> >>>>>>>>>> And what network switch do you recommend for 20 clients? >>>>>>>>> >>>>>>>>> >>>>>>>>> A Gigabit one (with at least 20 ports). I like Netgear switches, but >>>>>>>>> the brand should not matter. >>>>>>>>> >>>>>>>>> >>>>>>>>>> Also is this a good ssd: >>>>>>>>>> >>>>>>>>>> >>>>>>>>>> http://www.amazon.com/Crucial-64-2-5-Inch-Solid-State-CT064M4SSD2/dp/B004W2JKWG >>>>>>>>>> for the server? >>>>>>>>> >>>>>>>>> >>>>>>>>> I don't know. >>>>>>>>> >>>>>>>>> Basicaly, you should try to get enterprise class SSD (SLC vs. MLC). >>>>>>>>> Intel's ones have good reputation in the past, but I don't know if >>>>>>>>> it's still true. >>>>>>>>> >>>>>>>>> Hih, >>>>>>>>> >>>>>>>>> -- >>>>>>>>> >>>>>>>>> JFS. >>>>>>>>> >>>>>>>>> >>>>>>>>> >>>>>>>>> ------------------------------------------------------------------------------ >>>>>>>>> Live Security Virtual Conference >>>>>>>>> Exclusive live event will cover all the ways today's security and >>>>>>>>> threat landscape has changed and how IT managers can respond. >>>>>>>>> Discussions >>>>>>>>> will include endpoint security, mobile security and the latest in >>>>>>>>> malware >>>>>>>>> threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ >>>>>>>>> >>>>>>>>> _____________________________________________________________________ >>>>>>>>> Ltsp-discuss mailing list. To un-subscribe, or change prefs, goto: >>>>>>>>> https://lists.sourceforge.net/lists/listinfo/ltsp-discuss >>>>>>>>> For additional LTSP help, try #ltsp channel on irc.freenode.net >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>>> ------------------------------------------------------------------------------ >>>>>>>> Live Security Virtual Conference >>>>>>>> Exclusive live event will cover all the ways today's security and >>>>>>>> threat landscape has changed and how IT managers can respond. >>>>>>>> Discussions >>>>>>>> will include endpoint security, mobile security and the latest in >>>>>>>> malware >>>>>>>> threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ >>>>>>>> _____________________________________________________________________ >>>>>>>> Ltsp-discuss mailing list. To un-subscribe, or change prefs, goto: >>>>>>>> https://lists.sourceforge.net/lists/listinfo/ltsp-discuss >>>>>>>> For additional LTSP help, try #ltsp channel on irc.freenode.net >>>>>>> >>>>>>> >>>>>>> >>>>>>> >>>>>>> >>>>>>> -- >>>>>>> Jay Goldberg >>>>>>> >>>>>>> >>>>>>> ------------------------------------------------------------------------------ >>>>>>> Live Security Virtual Conference >>>>>>> Exclusive live event will cover all the ways today's security and >>>>>>> threat landscape has changed and how IT managers can respond. >>>>>>> Discussions >>>>>>> will include endpoint security, mobile security and the latest in >>>>>>> malware >>>>>>> threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ >>>>>>> _____________________________________________________________________ >>>>>>> Ltsp-discuss mailing list. To un-subscribe, or change prefs, goto: >>>>>>> https://lists.sourceforge.net/lists/listinfo/ltsp-discuss >>>>>>> For additional LTSP help, try #ltsp channel on irc.freenode.net >>>>>>> >>>>> >>>>> >>>>> ------------------------------------------------------------------------------ >>>>> Live Security Virtual Conference >>>>> Exclusive live event will cover all the ways today's security and >>>>> threat landscape has changed and how IT managers can respond. >>>>> Discussions >>>>> will include endpoint security, mobile security and the latest in >>>>> malware >>>>> threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ >>>>> _____________________________________________________________________ >>>>> Ltsp-discuss mailing list. To un-subscribe, or change prefs, goto: >>>>> https://lists.sourceforge.net/lists/listinfo/ltsp-discuss >>>>> For additional LTSP help, try #ltsp channel on irc.freenode.net >>>>> >>>> >>>> >>>> >>>> ------------------------------------------------------------------------------ >>>> Live Security Virtual Conference >>>> Exclusive live event will cover all the ways today's security and >>>> threat landscape has changed and how IT managers can respond. Discussions >>>> will include endpoint security, mobile security and the latest in malware >>>> threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ >>>> _____________________________________________________________________ >>>> Ltsp-discuss mailing list. To un-subscribe, or change prefs, goto: >>>> https://lists.sourceforge.net/lists/listinfo/ltsp-discuss >>>> For additional LTSP help, try #ltsp channel on irc.freenode.net >>> >>> >> >> >> -- >> Rolf-Werner Eilert >> >> SPRACHSCHULE EILERT >> Kollegienwall 19 - 49074 Osnabrück >> www.eilert-sprachen.de - 0541/22653 ------------------------------------------------------------------------------ Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ _____________________________________________________________________ Ltsp-discuss mailing list. To un-subscribe, or change prefs, goto: https://lists.sourceforge.net/lists/listinfo/ltsp-discuss For additional LTSP help, try #ltsp channel on irc.freenode.net
