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 -y

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

[root@python3 ~]# python

Python 3.6.3 (default, Nov 12 2017, 04:07:16)

[GCC 4.8.5 20150623 (Red Hat 4.8.5-16)] on linux

Type "help", "copyright", "credits" or "license" for more information.

>>>