Change default Python version from 2.4 to 2.6

Question

I want to use new software that requires Python 2.6 , and currently 2.4 and 2.6 tags are installed on our dedicated CentOS server, which look like this:

 $ which python /usr/local/bin/python $ which python2.6 /usr/bin/python2.6 $ which python2.4 /usr/local/bin/python2.4 $ ls -l /usr/local/bin/py* -rwxr-xr-x 1 root root 81 Aug 9 2007 /usr/local/bin/pydoc -rwxr-xr-x 2 root root 3394082 Aug 9 2007 /usr/local/bin/python -rwxr-xr-x 2 root root 3394082 Aug 9 2007 /usr/local/bin/python2.4 

How can I switch it to start using 2.6 by default python ?

Answer 1

As root:

 ln -sf /usr/bin/python2.6 /usr/local/bin/python 

This will make a symlink from / usr / local / bin / python → /usr/bin/python2.6 (replacing the old hard sheet).

Answer 2

Alternatively, you can also add an alias for the python command to your bash shell startup file.

open the startup file: emacs ~ / .bashrc

in u append editor: alias "python" "python2.6"

and restart the shell.

Answer 3

rm /usr/local/bin/python
ln -s /usr/local/bin/python2.6 /usr/local/bin/python

Answer 4

In CentOS

 ln -sf /usr/local/bin/python2.6 /usr/local/bin/python ln -sf /usr/local/bin/python2.6 /usr/bin/python 

Check version:

 python -V 

Then, to fix yum "There is no module named yum", you should do:

 vi `which yum` 

and change #! / usr / bin / python to #! / usr / bin / python2.4

Answer 5

I had a similar problem when using the meld command, I just renamed it to local, and it worked. Bad decision that I know, but I can always return it.

 sudo mv /usr/local/bin/python /usr/local/bin/re_python 

Answer 6

Add an alias for the python command to your bash shell boot file. DO NOT change the symbolic link from / usr / bin / python, since changing the default Python (for example, in Ubuntu or Linux Mint) can disrupt your system

PS: read other answers