New answers tagged 64bit
You can't do that directly on Linux on x86_64 with a 32bit kernel. You need a 64bit kernel to be able to run 64bit code. (Note: kernel. You can have 32bit userland running on a 64bit kernel, and install support for 64bit binaries. How easy this is depends on the distribution. Example here for Debian.) Some virtualization software is able to do that (with ...
Use the distribution's tools to install the package and it's dependencies. But I'd strongly advise against installing unstable/non-official packages, unless you know exactly what you are doing, and have very strong reasons for needing that package. Before considering such, check if the needed features have been backported/included in the official package.
Top 50 recent answers are included