How to install 64-bit python on Ubuntu

[Curious]

On Oct 7, 4:55 pm, Christian Heimes <li... at cheimes.de> wrote:
> Curious schrieb:
>
>
>
> > On Oct 7, 4:07 pm, Roger Binns <rog... at rogerbinns.com> wrote:
> >> Curious wrote:
> >>> Ubuntu comes pre-installed with Python2.6 but this python installation
> >>> is a 32 bit installation.
> >> For 64 bit Ubuntu you are mistaken:
>
> >> $ file /usr/bin/python2.6
> >> /usr/bin/python2.6: ELF 64-bit LSB executable, x86-64, version 1 (SYSV),
> >> dynamically linked (uses shared libs), for GNU/Linux 2.6.15, stripped
>
> >>> I do the following to know if the current python installation is 32-
> >>> bit or 64-bit:
> >> This is what I do:
>
> >>>>> import ctypes
> >>>>> ctypes.sizeof(ctypes.c_void_p)
> >> 8
>
> >> Roger
>
> > Thanks very much for you response, Roger!
>
> > I am sorry but I am not able to follow what you are saying. I am quite
> > new to linux installation world and it's possible that I am missing
> > pretty straightforward info.
>
> > Did you mean to say that Ubuntu does come pre-installed with 64-bit
> > Python? When I used the same command as you did, I see a 32-bit
> > version there. I am not sure how to get to 64-bit.
>
> I bet your Ubuntu installation is 32bit, too. You need a 64bit
> installation of Ubuntu in order to run a 64bit version of Python. By
> default Python is compiled in the same flavor as the OS. What does
> "uname -m" show? It should print "x86_64" for a 64bit version of Linux.
>
> --enable-universalsdk and  --with-universal-archs have no function on
> Linux. They are Mac OS X only options.
>
> Christian

Thanks for your response Christian! You are right, I have got a wrong
Ubuntu installation, installed it by mistake instead of 64-bit. After
the re-installation, I will post what Python version I find.
Thanks all!