Centos6.5 installation python2.7.12,pip9.0.1 and precautions

One: python2.7.12 installation

1: Get python2.7.12

wget https://www.python.org/ftp/python/2.7.12/Python-2.7.12.tgz

2: Ensure installation l python-devel libffi-devel OpenSSL openssl-deve l If not, use Yum to install

GCC zlib zlib-devel python-devel libffi-devel OpenSSL openssl-devel

GCC is used for compile time and error if do not install make

Zlib for the installation of Setuptools, otherwise there will be the following error :

Runtimeerror:compression requires the (missing) zlib module

OpenSSL if not installed, use PIP to install the module will be error, show SSL module is not available and so on ...

3: tar xvf python-2.7.12.tgz

4: CD Python-2.7.12

5: sudo./configure--prefix=/usr/local/python2.7--with-zlib=/usr/local/include

6: Make && make install

7: cd/usr/local/python2.7/include/python2.7/

8: Copy the header file to the standard directory, prevent installation similar to ansible find the head file

sudo cp-a./*/usr/loca/bin/include/

9: cd/usr/bin/

10: Rename old version

sudo mv Python python2.6

11: Modify the Python location of the Yum command to prevent Yum from being unusable

sudo sed-i ' [email protected]#!/usr/bin/[email protected]#!/usr/bin/[email protected] '/usr/bin/yum

12: Setting up a soft connection for a new Python installation

sudo ln-s/usr/local/python2.7/bin/python/usr/bin/python

13: See if the installation was successful

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Two: Pip installation

1: Get pip9.0.1

wget https://pypi.python.org/packages/11/b6/abcb525026a4be042b486df43905d6893fb04f05aac21c32c638e939e447/ PIP-9.0.1.TAR.GZ#MD5=35F01DA33009719497F01A4BA69D63C9--no-check-certificate

2: Unzip

Tar xvf pip-9.0.1.tar.gz

3: Setting Environment variables

~/.bash_profile Add the following content

python_home=/usr/local/python2.7

Path= $PATH: $HOME/bin: $PYTHON _home/bin

SOURCE ~/.bash_profile

4: Make a soft connection to prevent sudo pip command not found appear

which Pip #先用which Look at the path to the PIP

sudo ln-s/usr/local/python2.7/bin/pip/usr/bin/pip

5: Installation

sudo python setup.py install

6: Select domestic PIP source installation software

Create files and folders in the user's home directory ~/.pip/pip.conf

Add the following content:

[Global]

Index-url = Http://pypi.douban.com/simple

7: The module can be installed

Pip Install Pyyaml--trusted-host pypi.douban.com

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Three: Pip SSL error after installing a new version

Sslerror:can ' t connect to HTTPS URL because the SSL module was not available

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Note: This method excerpt from the network, but did not solve my problem, so reset the virtual machine, from the first step

When installing, make sure all dependencies are installed and there will be no problems.

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Problem reason: Curl's certificate is too old to download the latest certificate:
Download the latest certificate file

wget HTTP://CURL.HAXX.SE/CA/CACERT.PEM

Rename to Ca-bundle.crt drop to default directory

MV Cacert.pem CA-BUNDLE.CRT
MV ca-bundle.crt/etc/pki/tls/certs/

Reference:

http://sofar.blog.51cto.com/353572/1579894/

Http://blog.chinaunix.net/uid-26000296-id-4769414.html

http://topmanopensource.iteye.com/blog/2004853//domestic PIP source

This article is from the "Breeze" blog, be sure to keep this source http://358778493.blog.51cto.com/11386071/1874222

Centos6.5 installation python2.7.12,pip9.0.1 and precautions