Thanks again. This new server that's coming my way has 2, Giga NICs, and I would add a third, 100 MB NIC to reach out to the WAN. I thought it would be great to connect each Giga NICs to a separate switch which corresponds to a classroom. First, does this setup work (couldn't find it on the wiki) and second, how difficult might it be to configure this soon-to-be-cloned-server which currently only has 2 NICs?
David On Sat, Mar 20, 2010 at 10:20 PM, ekul taylor <[email protected]> wrote: > It looks like what has happened is the package names have changed from > jaunty to karmic. I don't see a -pae package in jaunty but it exists in > karmic. And in karmic linux-server is a metapackage for the -pae kernel. > > Use the free -m command to check and see if ubuntu is seeing more then 4 GB > of ram while booted in the -server kernel. If it is then you are all set > > > On Sat, Mar 20, 2010 at 11:13 PM, David Groos <[email protected]> wrote: > >> Sorry to keep bothering! I got this: >> dgr...@gcos2:~$ sudo aptitude install linux-generic-pae >> [sudo] password for dgroos: >> Reading package lists... Done >> Building dependency tree >> Reading state information... Done >> Reading extended state information >> Initializing package states... Done >> Couldn't find any package whose name or description matched >> "linux-generic-pae" >> Couldn't find any package whose name or description matched >> "linux-generic-pae" >> No packages will be installed, upgraded, or removed. >> 0 packages upgraded, 0 newly installed, 0 to remove and 0 not upgraded. >> Need to get 0B of archives. After unpacking 0B will be used. >> Reading package lists... Done >> Building dependency tree >> Reading state information... Done >> Reading extended state information >> Initializing package states... Done >> Any ideas? >> David >> >> >> >> On Sat, Mar 20, 2010 at 10:02 PM, ekul taylor <[email protected]>wrote: >> >>> That's strange it didn't select the pae kernel. In that case install the >>> linux-generic-pae package. >>> >>> sudo aptitude install linux-generic-pae >>> >>> >>> On Sat, Mar 20, 2010 at 10:50 PM, David Groos <[email protected]> wrote: >>> >>>> Thanks Ekul. I didn't really understand what you meant by the dpkg so >>>> didn't go with that but did understand the sudo aptitude part :) So I did >>>> this, it installed, I rebooted and checked: >>>> >>>> dgr...@gcos2:~$ uname -r >>>> 2.6.28-18-server >>>> >>>> Which doesn't have the -pae in the name. Any ideas? >>>> David >>>> >>>> >>>> >>>> On Sat, Mar 20, 2010 at 4:29 PM, ekul taylor <[email protected]>wrote: >>>> >>>>> It's actually really easy to install a kernel if you use the >>>>> repositories. dpkg adds your kernel to the list of available kernels so >>>>> if >>>>> for any reason you have trouble you can simply use grub to boot into your >>>>> old kernel. Among all package installations a new kernel is among the >>>>> safest since reverting is as easy as hitting escape during grub and >>>>> choosing >>>>> the old kernel. >>>>> >>>>> I'm not sure what package mixture you have so I can't really deal with >>>>> that but installing the PAE kernel is as simple as: >>>>> sudo aptitude install linux-server >>>>> This will install the kernel and any necessary headers. If you want to >>>>> run the karmic kernel but nothing else from karmic you'll have to do some >>>>> apt pinning. >>>>> >>>>> As for the reason you don't have the pae kernel I believe it is only >>>>> selected by default when installing via the server cd. Any other method >>>>> you >>>>> have to add it via apt after install. >>>>> >>>>> On Sat, Mar 20, 2010 at 12:34 PM, David Groos <[email protected]>wrote: >>>>> >>>>>> I find I'm not using the server kernel which surprises me--isn't that >>>>>> the one that the 'alternate CD' used? Shouldn't that be the standard >>>>>> install for a thin client server using Edubuntu? >>>>>> >>>>>> So, how do I go about installing this kernel? I used the link that >>>>>> Alkis provided and I could download the kernel. I couldn't access it via >>>>>> Synaptic, probably because I've set sources to Jaunty but I wasn't sure >>>>>> how >>>>>> to set some to Karmic. Any link/suggestion would be appreciated! I >>>>>> don't >>>>>> want to willy-nilly upgrade a kernel, sounds like risky business. >>>>>> >>>>>> Thanks! >>>>>> David >>>>>> >>>>>> On Mar 19, 2010, at 4:35 PM, ekul taylor wrote: >>>>>> >>>>>> Run >>>>>> uname -r >>>>>> which will tell you the specific build of the kernel you are running. >>>>>> If the PAE kernel is in use it will have -pae in the name. if you don't >>>>>> see that you'll need to install the linux-server package. >>>>>> >>>>>> You can also run free -m as a check to ensure all your ram is being >>>>>> addressed. However much you think there is should match the total >>>>>> column in >>>>>> MB. If it doesn't something isn't quite working. >>>>>> >>>>>> On Fri, Mar 19, 2010 at 5:07 PM, David Groos <[email protected]>wrote: >>>>>> >>>>>>> Thanks Ekul for the further info, I get it now. I think I'll use >>>>>>> solution #1 below--sounds like it is doable and will help out with what >>>>>>> I >>>>>>> need for these last couple of months of school then over summer power-up >>>>>>> with a new Lucid install. I'm pretty sure I'm currently using the >>>>>>> server >>>>>>> install. How can I tell? >>>>>>> >>>>>>> David >>>>>>> >>>>>>> >>>>>>> On Fri, Mar 19, 2010 at 8:35 AM, ekul taylor >>>>>>> <[email protected]>wrote: >>>>>>> >>>>>>>> The 32/64 bit question is very complicated. Hopefully I can help. >>>>>>>> >>>>>>>> Any AMD Opteron or Intel Xeon server made in the past few years has >>>>>>>> support for running 32 bit and 64 bit code (even at the same time). >>>>>>>> So you >>>>>>>> could clone your existing server and it would work fine but you might >>>>>>>> not be >>>>>>>> able to take advantage of all of your RAM. >>>>>>>> >>>>>>>> If you have more then 4 GB of RAM you have 3 options to use it all: >>>>>>>> >>>>>>>> 1. Clone your 32 bit server install but install the linux-server >>>>>>>> package if it isn't already used. This kernel is PAE enabled which is >>>>>>>> something Intel developed to let 32 bit processors address more then 4 >>>>>>>> GB of >>>>>>>> RAM. It does have slight performance issues and no one process can >>>>>>>> address >>>>>>>> more then 4 GB of RAM but for a terminal server this isn't important. >>>>>>>> >>>>>>>> 2. Clone your 32 bit server but install and run a 64 bit kernel. >>>>>>>> This can be tricky dependency-wise so I wouldn't recommend it so I >>>>>>>> won't >>>>>>>> outline the many steps here. >>>>>>>> >>>>>>>> 3. Install a 64 bit version of edubuntu and reuse >>>>>>>> your configuration files from your old server. It's pretty easy to do >>>>>>>> since >>>>>>>> except for /etc/modules.d and /etc/modprobe.conf none of the config >>>>>>>> files >>>>>>>> are about the kernel. You do have to build your chroot a little >>>>>>>> differently >>>>>>>> if you use this option as thin clients will almost certainly need a 32 >>>>>>>> bit >>>>>>>> boot environment. To do this you use the command: >>>>>>>> ltsp-build-client --arch i386 >>>>>>>> instead of just ltsp-build-client. This is what I option I would >>>>>>>> use when installing lucid but if you're just going to be using karmic >>>>>>>> for a >>>>>>>> few months option 1 will involve the least setup. >>>>>>>> >>>>>>>> >>>>>>>> On Fri, Mar 19, 2010 at 9:11 AM, David Groos <[email protected]>wrote: >>>>>>>> >>>>>>>>> Confusion compounds... >>>>>>>>> >>>>>>>>> the one thing I might have understood... >>>>>>>>> >>>>>>>>>> >>>>>>>>>> If you install this kernel in Jaunty/Karmic, then you can access >>>>>>>>>> more >>>>>>>>>> than 4 Gb of RAM while having 32 bit systems/OS: >>>>>>>>>> http://packages.ubuntu.com/karmic/linux-server >>>>>>>>>> >>>>>>>>>> So you can do that either in the old or the new server. >>>>>>>>>> >>>>>>>>> >>>>>>>>> You're saying that: >>>>>>>>> --I could install the above kernel onto my current 32 bit hardware. >>>>>>>>> --then I could either: >>>>>>>>> --------install up to 64 Gb RAM on old server >>>>>>>>> or... >>>>>>>>> --------then I could clone this new setup to the new server. >>>>>>>>> ? >>>>>>>>> >>>>>>>>> Thanks, >>>>>>>>> David >>>>>>>>> >>>>>>>>> >>>>>>>>> -- >>>>>>>>> edubuntu-users mailing list >>>>>>>>> >>>>>>>>> [email protected] >>>>>>>>> Modify settings or unsubscribe at: >>>>>>>>> https://lists.ubuntu.com/mailman/listinfo/edubuntu-users >>>>>>>>> >>>>>>>>> >>>>>>>> >>>>>>> >>>>>> >>>>>> >>>>> >>>> >>> >> >
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