CentOS 7 安装python3

安装py3依赖包

yum groupinstall "Development tools"

yum install zlib-devel bzip2-devel openssl-devel ncurses-devel sqlite-devel readline-devel tk-devel

下载编译安装

wget https://www.python.org/ftp/python/3.6.2/Python-3.6.2.tgz
tar -zxvf Python-3.6.2.tgz
./configure --prefix=/usr/local/python3.6
make
make install

配置

cd /usr/bin
mv python python2
mv pip pip2


ln -s /usr/local/python3.6/bin/python3.6 /usr/bin/python
ln -s /usr/local/python3.6/bin/python3.6 /usr/bin/python3
ln -s /usr/local/python3.6/bin/pip3.6 /usr/bin/pip3

vi /usr/bin/yum
把#! /usr/bin/python修改为#! /usr/bin/python2