Bob Proulx <bob@proulx.com> writes: > Sharon Kimble wrote: >> This setup is currently running a "3.16.0-4-686-pae" kernel. Is it a >> good idea to convert to a 64bit kernel, specifically >> "3.16.0-4-amd64"? > > How much memory do you have in your system? 4G actual, 3.84g useable. > > If the answer is 4G or less then there is no advantage. Stay with the > 32-bit kernel. If the answer is 64G or more then yes you should > definitely use a 64-bit kernel. If the answer is between 4G and 64G > then the answer is "it depends" and there are advantages and > disadvantages to both. > > If you currently have a 32-bit system then I recommend staying there. > A 64-bit kernel won't have much advantage for a 32-bit userspace. It > is rather a pain to change from 32-bit userland to 64-bit. Not really > worth it. > > Is your web browser exceeding 3G of ram image? No, but I do have 2 browsers open for a project I'm working on. > > If the answer is yes then you should re-install to a 64-bit userland. > If the answer is no then stick with 32-bits. > >> And if it is a good idea, how do I do it? Is it as simple as >> downloading the "3.16.0-4-amd64" kernel, reboot to it, and delete >> the "3.16.0-4-686-pae" kernel? > > Simply install the linux-image-amd64 metapackage, let it drag in the > version numbered kernel, and then reboot to it. > Thanks, that's what I thought, but I wanted to check first. > # uname -a > Linux joseki 3.2.0-4-686-pae #1 SMP Debian 3.2.65-1+deb7u2 i686 GNU/Linux > > # apt-get install linux-image-amd64 > Reading package lists... Done > Building dependency tree > Reading state information... Done > The following extra packages will be installed: > linux-image-3.2.0-4-amd64 > Suggested packages: > linux-doc-3.2 debian-kernel-handbook > The following NEW packages will be installed: > linux-image-3.2.0-4-amd64 linux-image-amd64 > 0 upgraded, 2 newly installed, 0 to remove and 0 not upgraded. > Need to get 23.4 MB of archives. > After this operation, 105 MB of additional disk space will be used. > Do you want to continue [Y/n]? > > Bob Thanks very much, very useful. :) Sharon. -- A taste of linux = http://www.sharons.org.uk my git repo = https://bitbucket.org/boudiccas/dots TGmeds = http://www.tgmeds.org.uk Debian testing, fluxbox 1.3.6, emacs 24.4.1.0
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