CentOS 5 reaches its end of support in March 2017,
but I imagine there are still plenty of servers running it.
Goal of this article
The goal here is to install Python 2.6 while keeping the default-installed
Python 2.4.3 in place, so that we can use a newer version of pip.
Add the EPEL repository
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| $ sudo rpm -Uvh http://ftp.iij.ad.jp/pub/linux/fedora/epel/5/x86_64/epel-release-5-4.noarch.rpm
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Configure it to avoid upgrading from EPEL during normal updates
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2
3
4
5
| $ sudo vi /etc/yum.repos.d/epel.repo
[epel]
...
enabled=0
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Install python26 from the EPEL repository
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| $ sudo yum install python26 -y --enablerepo=epel
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Check the versions
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2
3
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5
| $ python26 -V
Python 2.6.8
$ python -V
Python 2.4.3
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We are keeping python26 alongside the existing Python purely so that we can use pip.
Install pip
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2
3
| $ wget --no-check-certificate https://bootstrap.pypa.io/ez_setup.py
$ sudo python26 ez_setup.py --insecure
$ sudo easy_install-2.6 pip
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1
2
| $ pip --version
pip 8.1.2 from /usr/lib/python2.6/site-packages/pip-8.1.2-py2.6.egg (python 2.6)
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