im would like at some point in time to migrate to a fully 64bit os and leave 32 bit behind at least for the time being.
On 7/7/08, Tim Cutts <[EMAIL PROTECTED]> wrote: > > > On 7 Jul 2008, at 11:29 am, Carsten Aulbert wrote: > > >> >> Jon Aquilina wrote: >> >>> so what your telling me to make sure im running 64bit bins is to check >>> the /usr/bin. if im not im best compiling from source? >>> >> >> Well other possiblities are: >> >> look at the output of uname -a >> >> if you get i686 you are running a 32bit kernel if the output contains >> x64_64 you are running a 64 bit kernel (sometimes uname -m tells you the >> same). >> > > That's unreliable. It's possible to run a 64-bit kernel with a 32-bit > userland, so just because uname returns x86_64 that doesn't mean you can > definitely run 64-bit userland binaries. > > For Debian/*buntu: see if you can install ia32 packages. These are >> compatibility packages to run 32bit binaries under 64bit systems. >> Obviously those are not needed on 32bit systems and hence not available >> - as far as I know. >> > > The cast-iron way to do it on Debian/Ubuntu is the output of: > > dpkg --print-architecture > > That will print "i386" for 32-bit Intel, and "amd64" for x86_64. Obviously > for other supported architectures it prints other things. It will print the > correct thing regardless of whether the kernel is 32- or 64-bit. > > Tim > > > -- > The Wellcome Trust Sanger Institute is operated by Genome ResearchLimited, > a charity registered in England with number 1021457 and acompany registered > in England with number 2742969, whose registeredoffice is 215 Euston Road, > London, NW1 2BE. > -- Jonathan Aquilina
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