安装Python-3.5.2

服务器系统：CentOS Linux release 7.3.1611

下载安装包：wget https://www.python.org/ftp/python/3.5.2/Python-3.5.2.tgz

解压文件

tar -xzf Python-3.5.2.tgz

进入目录

cd Python-3.5.2

编译安装

./configure --prefix=/usr/local/python3.5 --with-threads --enable-shared  
make && make altinstall  

备份旧python相关命令

mv /usr/bin/pip /usr/bin/pip_old
mv /usr/bin/easy_install /usr/bin/easy_install_old
mv /usr/bin/python /usr/bin/python_old

新版本python命令做软连接，快捷使用

ln -s /usr/local/python3.5/lib/libpython3.5m.so /usr/lib  
ln -s /usr/local/python3.5/lib/libpython3.5m.so.1.0 /usr/lib
ln -s /usr/local/python3.5/lib/libpython3.5m.so /usr/lib64  
ln -s /usr/local/python3.5/lib/libpython3.5m.so.1.0 /usr/lib64  
ln -s /usr/local/python3.5/bin/python3.5 /usr/bin/python  
ln -s /usr/local/python3.5/bin/easy_install-3.5 /usr/bin/easy_install  
ln -s /usr/local/python3.5/bin/pip3.5 /usr/bin/pip 

重新加载配置

/sbin/ldconfig -v

尽情使用吧~~!

参考：[1]