Fedora: Dual Python Versions Installed System Not Picking Up Newer Version

[Doug Morse]

On Wed, 25 Mar 2009 19:56:13 -0700 (PDT), *nixtechno <epctechno at gmail.com>
wrote:
>  I have a fedora box and just installed python 2.6.1 along with 2.5.2,
>  so here's my issue, if I removed the "systems" garbage RPM it would
>  uninstall all the other crap along with it, so I went ahead and
>  trunked in and ./configure, build && build install and built python
>  2.6.1 along with this. However how can I stipulate that I want the
>  WHOLE system to use Python 2.6.1 rather than 2.5.2? I know there is
>  something to do with PATH, which I tried under my /root/.cshrc file,
>  but to no avail it didn't work. So is there something special I should
>  do with getting the system to pick up this directy:
> 
>  /usr/local/lib/python2.6/
> 
>  Which the v2.6 binary is in:
> 
>  /usr/local/bin/python.2.6
> 
>  Rather than this:
> 
>  /usr/lib64/python2.5/
> 
>  Which the v2.5 binary is in:
> 
>  /usr/bin/python
> 
>  Perhaps it's Fedora not picking it up?
> 
>  Here's my server's build:
>  # uname -rm
>  2.6.27.19-170.2.35.fc10.x86_64 x86_64
> 
>  I've gone through and tried to figure it out, to no avail, so if
>  anyone is pretty familiar with this, because I do NOT want to
>  stipulate which binary to use in all my source files...

Hi,

One option would be to use the alternatives system, which RHL / Fedora install
by default.  Run "man alternatives" for documentation and the contents of
/etc/alternatives for examples already in use on your system.

Hope this helps.

Cheers,
Doug