centos安装python3

•安装python3.5可能使用的依赖

yum install openssl-devel bzip2-devel expat-devel gdbm-devel readline-devel sqlite-devel



•到python官网找到下载路径, 用wget下载

wget https://www.python.org/ftp/python/3.5.1/Python-3.5.1.tgz


•解压tgz包

tar -zxvf Python-3.5.1.tgz



•把python移到/usr/local下面

mv Python-3.5.1 /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-3.5.1/

•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/python3.5 /usr/bin/python

python -V



Enjoy your Python!