Installing Python3.6 under CentOS

First, install the python3.6.1
1. Installation Dependent environment
#yum Install Readline-devel # #必须安装否则会出现python3编译器中不能使用退格键和方向键
2. Download and unzip the installation package
[Email protected] ~]# wget https://www.python.org/ftp/python/3.6.1/Python-3.6.1.tgz # #下载安装包
[Email protected] ~]# tar zvxf python-3.6.1.tgz # #解压安装包
3. Compile and install
[Email protected] ~]# CD Python-3.6.1 # #进入安装包
[Email protected] python-3.6.1]# Mkdir/usr/local/python3 # #创建安装目录
[Email protected] python-3.6.1]#/configure--prefix=/usr/local/python3 # #编译
[[email protected] python-3.6.1]# make && make install # #安装
4. Create a soft connection
[Email protected] python-3.6.1]# Mv/usr/bin/python/usr/bin/python_bak # #备份原软连接
[Email protected] python-3.6.1]# ln-s/usr/local/python3/bin/python3/usr/bin/python # #chua创建新的软链接使程序运行时不显示版本号
5. Test software can run normally
[[email protected] python-3.6.1]# Python
Python 3.6.1 (Default, APR 21 2018, 16:42:07)
[GCC 4.4.7 20120313 (Red Hat 4.4.7-18)] on Linux
Type "Help", "copyright", "credits" or "license" for more information.

6. Add/usr/local/python3/bin to environment variable
[[email protected] python-3.6.1]# vim ~/.bash_profile
path= $PATH: $ Home/bin:/usr/local/python3/bin
[[email protected] python-3.6.1]# source ~/.bash_profile # #使环境变量生效
[[ Email protected] python-3.6.1]# python3-v # #测试python3正常
Python 3.6.1
[[email protected] python-3.6.1]# pip3-v # #测试pip3正常
Pip 9.0.1 from/usr/local/python3/lib/python3.6/site-packages (Python 3.6)
7, Modify Yum to point to Python old version
[[email protected] pip-8.0.2]# Vi/usr/bin/yum
#!/usr/bin/python2.6

Second, the installation of Pip and Setuptools
1. Pre-installation Setuptools required before PIP installation
[Email protected] ~]# wget--no-check-certificate https://pypi.python.org/packages/source/s/setuptools/ Setuptools-19.6.tar.gz#md5=c607dd118eae682c44ed146367a17e26
[Email protected] ~]# tar zxvf setuptools-19.6.tar.gz
[Email protected] ~]# CD setuptools-19.6
[Email protected] ~]# Python3 setup.py Build
[Email protected] ~]# python3 setup.py Install
2. Install Pip
[Email protected] ~]# wget--no-check-certificate https://pypi.python.org/packages/source/p/pip/pip-8.0.2.tar.gz# Md5=3a73c4188f8dbad6a1e6f6d44d117eeb
[Email protected] ~]# tar zvxf pip-8.0.2.tar.gz
[Email protected] ~]# CD pip-8.0.2
[Email protected] pip-8.0.2]# Python3 setup.py Build
[Email protected] pip-8.0.2]# python3 setup.py Install

Installing Python3.6 under CentOS