By the way, this is my thin-client - and I'm using the VGA connection. http://www.newegg.com/Product/Product.aspx?Item=N82E16856173036
On 11/10/2014 09:34 AM, Mike Cammilleri wrote: > Thanks Michael, > > I have tried setting up an LTSP server as a VM and I have the same > problems. So perhaps it is my thin-client. > > A couple things regarding Harry's suggestions as well.... > > How does one get rid of compiz or disable it? If I apt-get remove compiz > it will also remove ubuntu-desktop. I think I need ubuntu-desktop, so > not sure how to get rid of compiz. I did have to install gconf-editor > and disable apps->metacity->general compositing_manager and > compositor_effects so that the gnome terminal wouldn't always be on top. > > Are there other post-installation steps that should be done after > setting up an out-of-the-box LTSP server that is not really documented? > > I'm using Intel GMA 3150 onboard intel graphics -- doesn't Ubuntu > already contain all Intel drivers? According to their site: "Most > versions of the Linux* operating system include Intel® graphics drivers. > Intel recommends checking with your Linux distribution vendor or > computer manufacturer for precompiled driver packages." > > Thanks for these leads guys. > > --mike > > > On 11/09/2014 06:56 PM, Michael Pope wrote: >> Mike, >> >> On 08/11/14 07:23, Mike Cammilleri wrote: >>> So I've been experimenting with various hardware for our LTSP servers. >>> Everything from VM's to this current Intel(R) Xeon(R) CPU E5-2630 0 @ >>> 2.30GHz (12 core) with ~48GB of RAM. (Dell Poweredge). >>> >>> Thin client is a Zotac ZboxSD13-ID13 with 4GB of RAM and an Intel Atom >>> D525 (1.8 GHz, dual-core). >>> >>> I have a 1gigabit connection all the way from the thin client to the >>> LTSP server. >>> >>> Why are things always laggy? Multiple tabs in Firefox - will take 5 >>> seconds after each click for anything to happen. Clicking between >>> windows has same almost 5 second lag or more. Of course watching a >>> Youtube video slows everything down. >>> >>> I installed xosview to monitor the server and I do notice the network >>> graph pegging at the top of the chart, but the actually numbers are just >>> fluctuating from 6K to 5Mbit so I'm not sure network is the problem. But >>> there is no way that this LTSP server shouldn't be able to handle a >>> single thin-client efficiently. However I've seen this behavior on our >>> other LTSP server configurations as well. I can't seem to track down the >>> slowness - RAM looks good and CPU time is very low. >>> >>> Could it be a lag in the actual transmission of X (video) to my monitor? >>> When I type this email the cursor is moving fine. If I type in Firefox >>> its laggy again. I'm stumped. >>> >>> What should one look for when optimizing LTSP for performance? >>> Everything I read says I'm doing it fine as far as meeting the LTSP >>> server system requirements but I can't have users using such a lagging >>> interface. >>> >>> Thanks for any advice! >>> mike >> If you install virtualbox and create a PXE boot VM you could do a test >> like this and it would prove that it's your thin client hardware or not. >> >> Another trick I do is use my notebook to test as it has a better >> graphics card than some of these thin clients and see if it has the same >> problem when I use it to PXE boot from the LTSP machine. >> >> from >> Michael >> >> ------------------------------------------------------------------------------ >> _____________________________________________________________________ >> 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 > > ------------------------------------------------------------------------------ > _____________________________________________________________________ > 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 > ------------------------------------------------------------------------------ _____________________________________________________________________ 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
