centos7 安装python3.6

•到python官网找到下载路径, 用wget下载

wget https://www.python.org/ftp/python/3.6.4/Python-3.6.4.tgz

•解压tgz包

tar -zxvf Python-3.6.4.tgz

•把python移到/usr/local下面

mv Python-3.6.4 /usr/local

•删除旧版本的python依赖

ll /usr/bin | grep python

rm -rf /usr/bin/python

•进入python目录

cd /usr/local/Python-3.6.4/

•配置

./configure

•编译 make

make

•编译，安装

make install

•删除旧的软链接，创建新的软链接到最新的python

rm -rf /usr/bin/python

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

python -V