I've downloaded the most recent tar from https://www.python.org/ftp/python/2.7.10/Python-2.7.10.tar.xz, untar'd, configured, built and installed to a user directory. I've also used those executables to configure a virtualenv environment.

However, running any of the new executables from their full path still only displays 2.7.6!

Here's a list of all python executables on the system and their versions:

sudo find / -type f -executable -iname 'python*' -exec file -i '{}' \; | awk -F: '/x-executable; charset=binary/ {print $1}' | xargs readlink -f | sort -u | xargs -I % sh -c 'echo -n "%: "; % -V'


/home/***/python2.7.10/bin/python2.7: Python 2.7.6
/home/***/Python-2.7.10/python: Python 2.7.6
/home/***/theano_env/bin/python: Python 2.7.6
/usr/bin/python2.7: Python 2.7.6
/usr/bin/python3.4: Python 3.4.0
/usr/bin/python3.4m: Python 3.4.0

I've done this twice now (once with 2.7.9) trying to solve a bug in flask that requires hmac on python > 2.7.7 but the correct versions don't seem to be installed. Is there some magic I'm missing here?


I used to have these problems when configuring python with --enable-shared and the python executable would find and load the installed /usr/lib/x86_64-linux-gnu/libpython2.7.so. Removing that option from the configuration helped solve the problem.

  • I appears that you are correct. More info here: stackoverflow.com/questions/22157184/… – user2805751 Jun 25 '15 at 21:18
  • I never had the problem on 8.04, but only afterwards (ie. after running into problems with 10.04) realised that was because I compiled Python2.6 and the default python on 8.04 is 2.5(.2), so the shared libraries did not clash. – Anthon Jun 25 '15 at 21:23

Your Answer

By clicking “Post Your Answer”, you agree to our terms of service, privacy policy and cookie policy

Not the answer you're looking for? Browse other questions tagged or ask your own question.