python2.6升级至python3.6

• 下载安装包

wget https://www.python.org/ftp/python/3.6.3/Python-3.6.3.tgz

• 解压安装包

tar xf Python-3.6.3.tgz

• 进入目录

cd Python-3.6.3

• 安装依赖包

yum install gcc glibc zlib-devel openssl-devel -y

• 检查环境和配置

./configure

• 编译安装

make && make install

mv /usr/bin/python /usr/bin/python2.6.6

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

vim /usr/bin/yum 把python改成python2.6.6

• 安装pip

wget https://pypi.python.org/packages/11/b6/abcb525026a4be042b486df43905d6893fb04f05aac21c32c638e939e447/pip-9.0.1.tar.gz#md5=35f01da33009719497f01a4ba69d63c9

tar zxf pip-9.0.1.tar.gz

cd pip-9.0.1

python setup.py install