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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