Centos下安装Python3.6-11946937
一、安装python3.6.11、安装依赖环境
#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、下载安装包并解压
#wget https://www.python.org/ftp/python/3.6.1/Python-3.6.1.tgz ##下载安装包
# tar zvxf Python-3.6.1.tgz ##解压安装包
3、 编译并安装
# cd Python-3.6.1 ##进入安装包
# mkdir /usr/local/python3 ##创建安装目录
# ./configure --prefix=/usr/local/python3##编译
# make && make install ##安装
4、创建软连接
# mv /usr/bin/python /usr/bin/python_bak##备份原软连接
# 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、测试软件能否正常运行
# python
Python 3.6.1 (default, Apr 21 2018, 16:42:07)
on linux
Type "help", "copyright", "credits" or "license" for more information.
6、将/usr/local/python3/bin加入到环境变量
# vim ~/.bash_profile
PATH=$PATH:$HOME/bin:/usr/local/python3/bin
# source ~/.bash_profile ##使环境变量生效
# python3 -V ##测试python3正常
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、修改yum指向python 旧版本
# vi /usr/bin/yum
#!/usr/bin/python2.6
二、安装pip及setuptools
1、安装pip前需要前置安装setuptools
# wget --no-check-certificatehttps://pypi.python.org/packages/source/s/setuptools/setuptools-19.6.tar.gz#md5=c607dd118eae682c44ed146367a17e26
# tar zxvf setuptools-19.6.tar.gz
# cd setuptools-19.6
# python3 setup.py build
# python3 setup.py install
2、安装pip
# wget --no-check-certificatehttps://pypi.python.org/packages/source/p/pip/pip-8.0.2.tar.gz#md5=3a73c4188f8dbad6a1e6f6d44d117eeb
# tar zvxf pip-8.0.2.tar.gz
# cd pip-8.0.2
# python3 setup.py build
# python3 setup.py install
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