Installing python3.x on Centos 7

Source: Internet
Author: User

Centos7 default installation is 2.7, here choose to install using Python3.6.3

Installing Python3.6.3

1, install the Python3 need to rely on the package

Yum install-y openssl-devel bzip2-devel expat-devel gdbm-devel readline-devel sqlite-devel gcc cc

2. Download Python source code

wget https://www.python.org/ftp/python/3.6.3/Python-3.6.3.tgz

3. Unzip and compile

Mkdir/usr/local/python3-Ptar XF python-3.6.3. TGZCD python-3.6.3. /configure--prefix=/usr/local/python3makemake Install

4. Back up the old version of Python soft link, link the new version of Python

[[Email protected] ~] # ls-l/usr/bin/pythonlrwxrwxrwx. 1 root root 9 Oct 14:08/usr/bin/python~]#  ls-l/usr/bin/python2lrwxrwxrwx. 1 root root 9 Oct 14:08/usr/bin/python2-python2.7~]#  ls-l/usr/bin/python2.7-RWXR-XR -X. 1 root root 7136  5  2016/usr/bin/python2.7

mv/usr/bin/python/usr/bin/-s/usr/local/python3/bin/python3/usr/bin/-s/usr/local/python3/bin/ Pip3/usr/bin/pip

5. Modify the Yum configuration file

vim/usr/bin//usr/libexec/urlgrabber-ext-down

Change the python version specified in the first line to python2.7 (#!/usr/bin/python to #!/usr/bin/python2.7)

6. Check Python and PIP version

[[Email protected] ~] # python-v Python 3.6.3~]#  pip-v from/usr/local/python3/lib/python3.6/site-packages ( Python 3.6)

Reference Original Address: HTTP://MP.WEIXIN.QQ.COM/S/9FLUQSWADWKYAUMYIXF8DW (provides another way of coexistence)

Installing python3.x on Centos 7

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